Science Full Test
1. Match the following:
A. Archaebacteria 1. Lack cell wall
B. Eubacteria 2. Lie in extreme harsh habits
C. Cyanobacteria 3. A rigid cell wall
D. Mycoplasma 4. Photosynthetic autotrophs
A B C D A B C D A B C D A B C D
a) 2 4 3 1 b) 2 3 4 1 c) 1 3 4 2 d) 1 4 3 2
Ans : b
2. Find out the correct statement:
1. Fungi live as symbionts in lichens & as commensals in Mycorrhizae.
2. Cell wall of fungi is made of chitin & polysaccharide.
a) 1, 2 b) none c) 1 alone d) 2 alone
Ans : d
3. An example of an insectivorous plant
a) Bladderwort b) Cuscata c) Agaricus d) Ustilago
Ans : a
4. Viroids were discovered by
a) Linnaeus b) Diener c) Beijerinck d) W.M. Stanley
Ans : b
5. The organism responsible for “red tides” is
a) Euglenoids b) Slime moulds c) Dinoflagellates d) Chryophytes
Ans : c
6. If a bird is transferred from an area of temperature 30 degree C to an area where the temperature is 10 degree C, its body temperature will change upto
a) 150C b) 100C c) 200C d) will not change
Ans : d
7. The tape used in the tape recorder is coated with
a) Copper sulphate b) Ferromagnetic powder c) Mica d) Zinc oxide
Ans : b
8. A body is having a uniform motion. This means
1. it has equal displacements in equal times
1. Match the following:
A. Archaebacteria 1. Lack cell wall
B. Eubacteria 2. Lie in extreme harsh habits
C. Cyanobacteria 3. A rigid cell wall
D. Mycoplasma 4. Photosynthetic autotrophs
A B C D A B C D A B C D A B C D
a) 2 4 3 1 b) 2 3 4 1 c) 1 3 4 2 d) 1 4 3 2
Ans : b
2. Find out the correct statement:
1. Fungi live as symbionts in lichens & as commensals in Mycorrhizae.
2. Cell wall of fungi is made of chitin & polysaccharide.
a) 1, 2 b) none c) 1 alone d) 2 alone
Ans : d
3. An example of an insectivorous plant
a) Bladderwort b) Cuscata c) Agaricus d) Ustilago
Ans : a
4. Viroids were discovered by
a) Linnaeus b) Diener c) Beijerinck d) W.M. Stanley
Ans : b
5. The organism responsible for “red tides” is
a) Euglenoids b) Slime moulds c) Dinoflagellates d) Chryophytes
Ans : c
6. If a bird is transferred from an area of temperature 30 degree C to an area where the temperature is 10 degree C, its body temperature will change upto
a) 150C b) 100C c) 200C d) will not change
Ans : d
7. The tape used in the tape recorder is coated with
a) Copper sulphate b) Ferromagnetic powder c) Mica d) Zinc oxide
Ans : b
8. A body is having a uniform motion. This means
1. it has equal displacements in equal times
2. it moves the same distance every second
3. its speed is constant but it may change direction
4. its direction always remains the same even though the speed may change
a) 1, 3 b) 2, 3 c) 1 alone d) 4 alone
Ans : b
9. The time of oscillation of a simple pendulum is given by T = 2pÖl/g. It the length of the pendulum is quadrupled the time of oscillation will be,
a) 5 times b) 3 times c) 2 times d) without any change
Ans : c
10. During the formation of a star, the cloud of gases begins to contract under its own gravity. The contracting mass is known as
a) Supernova b) Orion c) Protostar d) Meteor
Ans : c
11. The DNA that is useful for DNA finger print investigation is
a) Nucleolar organiser region b) Centromeric region of DNA
c) DNA coded for polypeptides d) hyper variable “tandem repeats” region
Ans : d
12. Which of the following is not a communicable disease?
a) Allergy b) Diphtheria c) Syphilis d) Whooping cough
Ans : a
13. Sodium vapour lamps and mercury vapour lamps are used for street lighting because
a) they give more luminous energy/watt than the filament lamps b) they are cheaper to run
c) both (a) & (b) d) none of the above
Ans : c
14. Match the following:
Compound used for
A. Sodium Bicarbonate 1. White washing
B. Calcium oxide 2. Making casts
C. Plaster of Paris 3. Cutting & grinding
D. Silicon 4. Making baking powder
A B C D A B C D A B C D A B C D
a) 1 2 3 4 b) 4 1 2 3 c) 3 4 1 2 d) 2 3 4 1
Ans : b
15. Find out the correct:
1. The light reaction takes place in grana and the dark reaction takes place within the stroma.
2. The Amyloplasts of red colour is due to the presence of xanthophylls pigment.
a) 1, 2 b) 1 alone c) 2 alone d) none
Ans : b
16. The largest tissue in the body constituting about 45% of total body weight is
a) Striated Muscle b) Non-striated muscle c) Blood d) Cardiac muscle
Ans : a
17. Match the following:
A. Easinophiles 1. Heparine
B. Basophils 2. Allergy
C. Neutrophils 3. Horse shoe shaped nuclei
D. Monocyte
A B C D A B C D A B C D A B C D
a) 1 2 3 4 b) 2 3 4 1 c) 2 1 4 3 d) 4 3 2 1
Ans : c
18. Dalton’s law of partial pressures applies only to gases which
a) mix completely with one another b) are at low temperatures
c) do not chemically interact with one another d) are easily liquefied
Ans : c
19. If the momentum of a body increases by 20%, by how much percent does its KE increases?
a) 40 b) 44 c) 36 d) 48
Ans : b
20. What is true about bacteria?
1. They help in retting & separation of fibres. 2. The are used in ripening of tobacco and tea
3. They are used as source of protein food 4. They are used as food of high nutritive value for cattle.
a) 1, 2, 3, 4 b) none c) 1, 2 d) 1, 2, 4
Ans : a
21. Match the following:
A. Erypsin 1. Pancreas
B. Chymotrypsin 2. Mouth
C. Ptyalin 3. Small Intestine
D. Renin 4. Stomach
A B C D A B C D A B C D A B C D
a) 3 1 2 4 b) 3 2 1 4 c) 1 2 3 4 d) 4 1 2 3
Ans : a
22. Find out the correct:
1. Filariasis is caused by the culix species of mosquitoes.
2. Japanese Encephalitis is caused by culicine mosquito species.
a) 1 alone b) 2 alone c) 1 & 2 d) none
Ans : d
23. The breaking of the tail of lizard when it is threatened or seized by a predator is called
a) Autotrophy b) Autogeny c) Autotomy d) Anatomy
Ans : c
24. Match the following:
A. Hygrometer 1. Boiling paint of liquids
B. Hypsometer 2. Amount of heat radiated by an object
C. Bolometer 3. Speed of various motors
D. Tachometer 4. Relative humidity of air
A B C D A B C D A B C D A B C D
a) 3 1 2 4 b) 4 1 2 3 c)4 2 1 3 d) 3 2 1 4
Ans : b
25. A: We use detergents to remove oil and dust from soiled garments.
R: Detergents increase the surface tension.
Ans : c
26. A reflex which serves to relieve the upper gastrointestinal tract by forcible expulsion of gastric contents through the moult is called
a) Enteritis b) Emesis c) Ejection d) Dyspepsia
Ans : b
27. Find out the correct:
1. Mammals are heterodont (form of teeth varies) and diphyodont (milk teeth replaced by permanent teeth)
2. In children molars are absent.
a) 1, 2 b) none c) 1 alone d) 2 alone
Ans : c
28. What is incorrect about galactosemia?
1. It is due to lack of an enzyme called galactose-1-phosphate uridyltransferase.
3. its speed is constant but it may change direction
4. its direction always remains the same even though the speed may change
a) 1, 3 b) 2, 3 c) 1 alone d) 4 alone
Ans : b
9. The time of oscillation of a simple pendulum is given by T = 2pÖl/g. It the length of the pendulum is quadrupled the time of oscillation will be,
a) 5 times b) 3 times c) 2 times d) without any change
Ans : c
10. During the formation of a star, the cloud of gases begins to contract under its own gravity. The contracting mass is known as
a) Supernova b) Orion c) Protostar d) Meteor
Ans : c
11. The DNA that is useful for DNA finger print investigation is
a) Nucleolar organiser region b) Centromeric region of DNA
c) DNA coded for polypeptides d) hyper variable “tandem repeats” region
Ans : d
12. Which of the following is not a communicable disease?
a) Allergy b) Diphtheria c) Syphilis d) Whooping cough
Ans : a
13. Sodium vapour lamps and mercury vapour lamps are used for street lighting because
a) they give more luminous energy/watt than the filament lamps b) they are cheaper to run
c) both (a) & (b) d) none of the above
Ans : c
14. Match the following:
Compound used for
A. Sodium Bicarbonate 1. White washing
B. Calcium oxide 2. Making casts
C. Plaster of Paris 3. Cutting & grinding
D. Silicon 4. Making baking powder
A B C D A B C D A B C D A B C D
a) 1 2 3 4 b) 4 1 2 3 c) 3 4 1 2 d) 2 3 4 1
Ans : b
15. Find out the correct:
1. The light reaction takes place in grana and the dark reaction takes place within the stroma.
2. The Amyloplasts of red colour is due to the presence of xanthophylls pigment.
a) 1, 2 b) 1 alone c) 2 alone d) none
Ans : b
16. The largest tissue in the body constituting about 45% of total body weight is
a) Striated Muscle b) Non-striated muscle c) Blood d) Cardiac muscle
Ans : a
17. Match the following:
A. Easinophiles 1. Heparine
B. Basophils 2. Allergy
C. Neutrophils 3. Horse shoe shaped nuclei
D. Monocyte
A B C D A B C D A B C D A B C D
a) 1 2 3 4 b) 2 3 4 1 c) 2 1 4 3 d) 4 3 2 1
Ans : c
18. Dalton’s law of partial pressures applies only to gases which
a) mix completely with one another b) are at low temperatures
c) do not chemically interact with one another d) are easily liquefied
Ans : c
19. If the momentum of a body increases by 20%, by how much percent does its KE increases?
a) 40 b) 44 c) 36 d) 48
Ans : b
20. What is true about bacteria?
1. They help in retting & separation of fibres. 2. The are used in ripening of tobacco and tea
3. They are used as source of protein food 4. They are used as food of high nutritive value for cattle.
a) 1, 2, 3, 4 b) none c) 1, 2 d) 1, 2, 4
Ans : a
21. Match the following:
A. Erypsin 1. Pancreas
B. Chymotrypsin 2. Mouth
C. Ptyalin 3. Small Intestine
D. Renin 4. Stomach
A B C D A B C D A B C D A B C D
a) 3 1 2 4 b) 3 2 1 4 c) 1 2 3 4 d) 4 1 2 3
Ans : a
22. Find out the correct:
1. Filariasis is caused by the culix species of mosquitoes.
2. Japanese Encephalitis is caused by culicine mosquito species.
a) 1 alone b) 2 alone c) 1 & 2 d) none
Ans : d
23. The breaking of the tail of lizard when it is threatened or seized by a predator is called
a) Autotrophy b) Autogeny c) Autotomy d) Anatomy
Ans : c
24. Match the following:
A. Hygrometer 1. Boiling paint of liquids
B. Hypsometer 2. Amount of heat radiated by an object
C. Bolometer 3. Speed of various motors
D. Tachometer 4. Relative humidity of air
A B C D A B C D A B C D A B C D
a) 3 1 2 4 b) 4 1 2 3 c)4 2 1 3 d) 3 2 1 4
Ans : b
25. A: We use detergents to remove oil and dust from soiled garments.
R: Detergents increase the surface tension.
Ans : c
26. A reflex which serves to relieve the upper gastrointestinal tract by forcible expulsion of gastric contents through the moult is called
a) Enteritis b) Emesis c) Ejection d) Dyspepsia
Ans : b
27. Find out the correct:
1. Mammals are heterodont (form of teeth varies) and diphyodont (milk teeth replaced by permanent teeth)
2. In children molars are absent.
a) 1, 2 b) none c) 1 alone d) 2 alone
Ans : c
28. What is incorrect about galactosemia?
1. It is due to lack of an enzyme called galactose-1-phosphate uridyltransferase.
2. It results in deficiency in galactose in blood and urine.
3. A diet rich in milk products brings improvement.
a) 1, 2, 3 b) 1 alone c) 1, 2 d) 2, 3
Ans : d
29. An object at the bottom of a beaker containing water to a depth of 25 cm is viewed from a point vertically above it. If refractive index of water is 5/3, the apparent depth of the object will be
a) 15 cm b) 12 cm c) 125/3 cm d) 17.5 cm
Ans : a
30. In which case, can a total internal reflection be never obtained?
a) a ray passing from glass to air b) a ray passing from glass to water
c) a ray passing from H2O to glass d) a ray passing from H2O to air
Ans : c
31. The bell jar experiment shows that
a) air contains 4/5the of its volume of nitrogen
a) 1, 2, 3 b) 1 alone c) 1, 2 d) 2, 3
Ans : d
29. An object at the bottom of a beaker containing water to a depth of 25 cm is viewed from a point vertically above it. If refractive index of water is 5/3, the apparent depth of the object will be
a) 15 cm b) 12 cm c) 125/3 cm d) 17.5 cm
Ans : a
30. In which case, can a total internal reflection be never obtained?
a) a ray passing from glass to air b) a ray passing from glass to water
c) a ray passing from H2O to glass d) a ray passing from H2O to air
Ans : c
31. The bell jar experiment shows that
a) air contains 4/5the of its volume of nitrogen
b) air contains 2/5th of its volume of oxygen
c) oxygen is soluble in H2O
c) oxygen is soluble in H2O
d) nitrogen is heavier than air
Ans : a
32. Tollen’s reagent is
a) Ammonium Chloride b) Ammoniacal Silver Nitrate c) Azotes d) Amatol
Ans : b
33. Which is correct about Malaria?
1. It is caused by plasmodium vivax
Ans : a
32. Tollen’s reagent is
a) Ammonium Chloride b) Ammoniacal Silver Nitrate c) Azotes d) Amatol
Ans : b
33. Which is correct about Malaria?
1. It is caused by plasmodium vivax
2. The Anopheles mosquito acts as the vector
3. The protozoa has two hosts and exhibits two cycles: Cycle of Golgi in Mosquito and Cycle of Ross in Human beings.
a) 1, 2, 3 b) 1, 2 c) 1, 3 d) 2, 3
Ans : b
34. What is abundant is apples, onions, tea etc., which protects lungs from the effects of pollutants and smoking,
a) Ricinine b) Beta-carotene c) Quercitin d) Alkyl sulphide
Ans : c
35. Which is correct?
1. Silk contaians the proteins fibrein & sericin. 2. Lac is the resinous secretion from plants.
3. Dextrose & levose are the two important sugars present in honey.
4. Smokeless candles can be prepared from beeswax.
a) 1, 3, 4 b) 1, 3 c) 1, 2 d) 2, 3, 4
Ans : a
36. Which is an inborn reflex action?
a) reading
a) 1, 2, 3 b) 1, 2 c) 1, 3 d) 2, 3
Ans : b
34. What is abundant is apples, onions, tea etc., which protects lungs from the effects of pollutants and smoking,
a) Ricinine b) Beta-carotene c) Quercitin d) Alkyl sulphide
Ans : c
35. Which is correct?
1. Silk contaians the proteins fibrein & sericin. 2. Lac is the resinous secretion from plants.
3. Dextrose & levose are the two important sugars present in honey.
4. Smokeless candles can be prepared from beeswax.
a) 1, 3, 4 b) 1, 3 c) 1, 2 d) 2, 3, 4
Ans : a
36. Which is an inborn reflex action?
a) reading
b) walking
c) action of respiratory muscles
d) sudden withdrawal of arm in response to pinprick
Ans : c
37. In a natural radioactivity, the daughter nucleus has 2 protons less than parent nucleus. The process in known as
a) a - decay b) b - decay c) g - emission d) neutron emission
Ans : a
38. A: Colour of sun appears to be different of sunrise and at moon, but that of cloud is white.
R: Molecules in the atmosphere cause Ray Leigh scattering but water droplets cause Raman scattering.
Ans : b
39. Two atomic particles are brought closer. What happens to the potential energy of the system?
1. Particle are two protons: PE decreases
d) sudden withdrawal of arm in response to pinprick
Ans : c
37. In a natural radioactivity, the daughter nucleus has 2 protons less than parent nucleus. The process in known as
a) a - decay b) b - decay c) g - emission d) neutron emission
Ans : a
38. A: Colour of sun appears to be different of sunrise and at moon, but that of cloud is white.
R: Molecules in the atmosphere cause Ray Leigh scattering but water droplets cause Raman scattering.
Ans : b
39. Two atomic particles are brought closer. What happens to the potential energy of the system?
1. Particle are two protons: PE decreases
2. Particles are two protons: PE increases
3. Particles are one proton & one electron: PE decreases
4. Particles are 1 proton & 1 electron: PE increases
a) 1, 4 b) 1, 3 c) 2, 3 d) 2, 4
Ans : c
40. A: When a body becomes positively charged, its mass will decrease.
R: A body becomes positively charged when it loses electrons.
Ans : d
41. Find out the correct statement:
1. Typhoid vaccine is an example of active acquired immunity.
2. Triple antigen is an example of passive acquired immunity.
a) 1, 2 b) 1 alone c) 2 alone d) none
Ans : a
42. Two solutions are isotonic when they
a) are of the same concentration b) have same osmotic pressure
c) have same number of isotopes d) have same substance saturating them.
Ans : b
43. The fall of a man due to a sudden break of the rope white lifting water from a wall is explained by Newton:
a) law of gravitation b) 1st law c) 2nd law d) 3rd law
Ans : d
44. A men stands holding a weight of 20kg at a distance of 2 m from the ground. The work done is
a) 40 J b) 10 J c) 400 J d) Zero
Ans : d
45. An isotope of ‘parent’ element is produced when it loses
a) one particle b) one a particle c) one a & two b d) one b & two a
Ans : c
46. Organisms that feed on the excreta of other organisms are called
a) Autotrophs b) Heterotrophs c) Coprophagous d) Saprotrophs
Ans : c
47. The insects do not have blood pigments because
a) there is no blood b) their blood doe not have a respiratory function
c) their tissues have pigments d) Pigments are elsewhere.
Ans : b
48. Erythroblastesis Foetalis is a disease affecting the
a) Nerve b) Muscles c) Blood corpuscles d) Lymph
Ans : c
49. Which statement is correct?
1. An electric stimulus above a threshold limit applied to the heart muscles produces a similar response from all muscles.
a) 1, 4 b) 1, 3 c) 2, 3 d) 2, 4
Ans : c
40. A: When a body becomes positively charged, its mass will decrease.
R: A body becomes positively charged when it loses electrons.
Ans : d
41. Find out the correct statement:
1. Typhoid vaccine is an example of active acquired immunity.
2. Triple antigen is an example of passive acquired immunity.
a) 1, 2 b) 1 alone c) 2 alone d) none
Ans : a
42. Two solutions are isotonic when they
a) are of the same concentration b) have same osmotic pressure
c) have same number of isotopes d) have same substance saturating them.
Ans : b
43. The fall of a man due to a sudden break of the rope white lifting water from a wall is explained by Newton:
a) law of gravitation b) 1st law c) 2nd law d) 3rd law
Ans : d
44. A men stands holding a weight of 20kg at a distance of 2 m from the ground. The work done is
a) 40 J b) 10 J c) 400 J d) Zero
Ans : d
45. An isotope of ‘parent’ element is produced when it loses
a) one particle b) one a particle c) one a & two b d) one b & two a
Ans : c
46. Organisms that feed on the excreta of other organisms are called
a) Autotrophs b) Heterotrophs c) Coprophagous d) Saprotrophs
Ans : c
47. The insects do not have blood pigments because
a) there is no blood b) their blood doe not have a respiratory function
c) their tissues have pigments d) Pigments are elsewhere.
Ans : b
48. Erythroblastesis Foetalis is a disease affecting the
a) Nerve b) Muscles c) Blood corpuscles d) Lymph
Ans : c
49. Which statement is correct?
1. An electric stimulus above a threshold limit applied to the heart muscles produces a similar response from all muscles.
2. Over stimulation does not cause more reaction.
a) 1 alone b) 2 alone c) Both d) none
Ans : c
50. Inborn defects in heart development a damaging effects of rheumatic fever affecting the cardiac valves is called
a) Heart block b) Heart Murmur c) Heart sound d) Myogenic heart
Ans : *
51. Match the following:
A. Polythemia 1. Passage of blood cells through vessel walls into the tissues.
B. Diapedesis 2. Increase in number of RBCs.
C. Leucocytosis 3. Increase in number of WBCs.
D. Leucopenia 4. Decrease in number of WBCs.
A B C D A B C D A B C D A B C D
a) 2 1 4 3 b) 2 4 1 3 c) 3 1 4 2 d) 3 4 1 2
Ans : a
52. Which is incorrect?
1. Tooth decay may be due to streptococcus mutans and streptococcus Gordonii.
2. Decalcification of enamel & dentine resulting in cavities is called Papillan Lefevre Syndrome.
a) 1 alone b) 2 alone c) 1 & 2 d) none
Ans : b
53. Match the following:
A. Picric acid 1. Carboxylic acid
B. TNT 2. 2, 4, 6 - Trinitrophenol
C. Nessler’s reagent 3. 2, 4, 5 - Trinitrotoluene
D. Oxalic acid 4. Potassium Iodide, Mercuric Chloride and Sodium Hydroxide
A B C D A B C D A B C D A B C D
a) 2 3 4 1 b) 2 4 3 1 c) 1 3 4 2 d) 1 4 3 2
Ans : a
54. To get five images of a single object, one should have two plane mirrors inclined of an angle of
a) 720 b) 600 c) 360 d) 900
Ans : b
55. An object is placed of a distance of 5 cm from a concave mirror whose focal length is 4 cm. The magnification of the image will be
a) 1.25 b) 0.8 c) 4 d) 0.25
Ans : c
56. Match the following:
A. Symbiosis 1. Saprophytic bacteria in animal guts
B. Commensalism 2. Leguminous roots & Phizobium
C. Mutualism 3. Hermit crab and sponges
D. Parasitism 4. Cuscata
A B C D A B C D A B C D A B C D
a) 2 3 1 4 b) 4 3 1 2 c) 4 1 3 2 d) 2 1 3 4
Ans : d
57. When a group of animals come together for some environmental reason, it is formed as
a) Aggregation b) Colonization c) Halistemea d) Mycorrhizal association
Ans : a
58. The interaction of nitrogen oxides and hydrocarbons in the atmosphere produce greater effect than the sum of their separate effects. This association between the compounds in termed as
a) Photo reactivation b) Antagonism c) Synergism d) Niche association
Ans : c
59.The half life of polonium is 140 days. In what time with 15g of polonium decay out of a sample of 16g?
a) 280 days b) 2240 days c) 420 days d) 560 days
Ans : d
60. The elementary particle positron was discovered by
a) Homi J. Bhabha b) Rutherford c) Enrico Fermi d) Anderson
Ans : d
61. What is true about ultrasonic sound waves?
1. They have a frequency more than 20 kHZ. 2. Their velocity is greater than that of sound.
3. They are used for underwater acoustic signalling
a) 1, 2, 3 b) 1, 2 c) 2, 3 d) 1, 3
Ans : d
62. Match the functions of the nutrients:
A. Nitrogen 1. Maturity of plants
B. Phosphorous 2. Growth of plants
C. Pottasium 3. Healthy root system
A B C A B C A B C A B C
a) 1 2 3 b) 2 1 3 c) 3 2 1 d) 1 3 2
Ans : b
63. What is the function for FSH hormone?
a) Stimulate the ovary to produce oestrogen. b) Stimulate adrenal cortex to make cortisone
c) Stimulate thyroid to make thyroxin d) Stimulate the production of testosterone
Ans : a
64. Match the following:
A. Pyridoxine 1. Vitamin K
B. Biotin 2. Vitamin E
C. Tocopherol 3. Vitamin H
D. Phylloquinone 4. Vitamin B6
A B C D A B C D A B C D A B C D
a) 1 3 2 4 b) 4 2 3 1 c) 4 3 2 1 d) 1 2 3 4
Ans : c
65. Lysol is the trade name of
a) Soap solution of cresol b) Phenol c) a mixture of three cresols d) ethyl alcohol
Ans : a
66. A: Light rays having shorter wavelength are absorbed near the surface.
R: There is selective absorption of light at various depths depending upon the amount of suspended materials.
Ans : d
67. The locomotion speed in certain lower animals is influenced by light. This is called
a) Phototaxis b) Photokinesis c) Photoreactivation d) Circadian Rhythm
Ans : b
68. Which is correct?
1. Sometime pollination is species specific.
2. Desert plants bloom at night because the plants can escape from harsh sunlight.
a) 1 alone b) 2 alone c) 1 & 2 d) none
Ans : a
69. Which of the following pyramids follow the 10% law?
a) Pyramid of numbers b) of Energy c) of Biomass d) Ecological pyramids
Ans : c
70. Match the diseases cause by the heavy metals:
A. Lead 1. Itai Itai disease
B. Cadmium 2. Skin becomes sensitive to light
C. Mercury 3. Minamata disease
D. Iron 4. Learning disability
A B C D A B C D A B C D A B C D
a) 4 3 1 2 b) 2 3 1 4 c) 2 1 3 4 d) 4 1 3 2
Ans : d
71. The algal bloom in a lake when there is excess of nutrient present in it is called
a) Biomagnification b) Eutrophication c) Bioconcentration d) Bioaccumculation
Ans : b
72. A process by which the plant itself helps in degrading the contamination by enzymatic action is called
a) Phyto semediation b) Bio remediation c) Remediation d) Bio concentration
Ans : a
73. The animals and plants that face the most serious thread of extinction is termed as
a) Rare species b) Threatened species c) Endangered species d) Indeterminate species
Ans : c
74. In an ecosystem, the carnivores are
a) Produces b) Predators c) Decomposes d) abiotic
Ans : b
75. The stratified layer of the sea as pond which does not fluctuate with the climatic condition is
a) Epilimnion b) Hypolimnion c) Thermocline d) Lacustrine
Ans : c
76. The escape velocity of a satellite projected from the surface of the earth is independent of
a) the height of the satellite b) radius of the earth
a) 1 alone b) 2 alone c) Both d) none
Ans : c
50. Inborn defects in heart development a damaging effects of rheumatic fever affecting the cardiac valves is called
a) Heart block b) Heart Murmur c) Heart sound d) Myogenic heart
Ans : *
51. Match the following:
A. Polythemia 1. Passage of blood cells through vessel walls into the tissues.
B. Diapedesis 2. Increase in number of RBCs.
C. Leucocytosis 3. Increase in number of WBCs.
D. Leucopenia 4. Decrease in number of WBCs.
A B C D A B C D A B C D A B C D
a) 2 1 4 3 b) 2 4 1 3 c) 3 1 4 2 d) 3 4 1 2
Ans : a
52. Which is incorrect?
1. Tooth decay may be due to streptococcus mutans and streptococcus Gordonii.
2. Decalcification of enamel & dentine resulting in cavities is called Papillan Lefevre Syndrome.
a) 1 alone b) 2 alone c) 1 & 2 d) none
Ans : b
53. Match the following:
A. Picric acid 1. Carboxylic acid
B. TNT 2. 2, 4, 6 - Trinitrophenol
C. Nessler’s reagent 3. 2, 4, 5 - Trinitrotoluene
D. Oxalic acid 4. Potassium Iodide, Mercuric Chloride and Sodium Hydroxide
A B C D A B C D A B C D A B C D
a) 2 3 4 1 b) 2 4 3 1 c) 1 3 4 2 d) 1 4 3 2
Ans : a
54. To get five images of a single object, one should have two plane mirrors inclined of an angle of
a) 720 b) 600 c) 360 d) 900
Ans : b
55. An object is placed of a distance of 5 cm from a concave mirror whose focal length is 4 cm. The magnification of the image will be
a) 1.25 b) 0.8 c) 4 d) 0.25
Ans : c
56. Match the following:
A. Symbiosis 1. Saprophytic bacteria in animal guts
B. Commensalism 2. Leguminous roots & Phizobium
C. Mutualism 3. Hermit crab and sponges
D. Parasitism 4. Cuscata
A B C D A B C D A B C D A B C D
a) 2 3 1 4 b) 4 3 1 2 c) 4 1 3 2 d) 2 1 3 4
Ans : d
57. When a group of animals come together for some environmental reason, it is formed as
a) Aggregation b) Colonization c) Halistemea d) Mycorrhizal association
Ans : a
58. The interaction of nitrogen oxides and hydrocarbons in the atmosphere produce greater effect than the sum of their separate effects. This association between the compounds in termed as
a) Photo reactivation b) Antagonism c) Synergism d) Niche association
Ans : c
59.The half life of polonium is 140 days. In what time with 15g of polonium decay out of a sample of 16g?
a) 280 days b) 2240 days c) 420 days d) 560 days
Ans : d
60. The elementary particle positron was discovered by
a) Homi J. Bhabha b) Rutherford c) Enrico Fermi d) Anderson
Ans : d
61. What is true about ultrasonic sound waves?
1. They have a frequency more than 20 kHZ. 2. Their velocity is greater than that of sound.
3. They are used for underwater acoustic signalling
a) 1, 2, 3 b) 1, 2 c) 2, 3 d) 1, 3
Ans : d
62. Match the functions of the nutrients:
A. Nitrogen 1. Maturity of plants
B. Phosphorous 2. Growth of plants
C. Pottasium 3. Healthy root system
A B C A B C A B C A B C
a) 1 2 3 b) 2 1 3 c) 3 2 1 d) 1 3 2
Ans : b
63. What is the function for FSH hormone?
a) Stimulate the ovary to produce oestrogen. b) Stimulate adrenal cortex to make cortisone
c) Stimulate thyroid to make thyroxin d) Stimulate the production of testosterone
Ans : a
64. Match the following:
A. Pyridoxine 1. Vitamin K
B. Biotin 2. Vitamin E
C. Tocopherol 3. Vitamin H
D. Phylloquinone 4. Vitamin B6
A B C D A B C D A B C D A B C D
a) 1 3 2 4 b) 4 2 3 1 c) 4 3 2 1 d) 1 2 3 4
Ans : c
65. Lysol is the trade name of
a) Soap solution of cresol b) Phenol c) a mixture of three cresols d) ethyl alcohol
Ans : a
66. A: Light rays having shorter wavelength are absorbed near the surface.
R: There is selective absorption of light at various depths depending upon the amount of suspended materials.
Ans : d
67. The locomotion speed in certain lower animals is influenced by light. This is called
a) Phototaxis b) Photokinesis c) Photoreactivation d) Circadian Rhythm
Ans : b
68. Which is correct?
1. Sometime pollination is species specific.
2. Desert plants bloom at night because the plants can escape from harsh sunlight.
a) 1 alone b) 2 alone c) 1 & 2 d) none
Ans : a
69. Which of the following pyramids follow the 10% law?
a) Pyramid of numbers b) of Energy c) of Biomass d) Ecological pyramids
Ans : c
70. Match the diseases cause by the heavy metals:
A. Lead 1. Itai Itai disease
B. Cadmium 2. Skin becomes sensitive to light
C. Mercury 3. Minamata disease
D. Iron 4. Learning disability
A B C D A B C D A B C D A B C D
a) 4 3 1 2 b) 2 3 1 4 c) 2 1 3 4 d) 4 1 3 2
Ans : d
71. The algal bloom in a lake when there is excess of nutrient present in it is called
a) Biomagnification b) Eutrophication c) Bioconcentration d) Bioaccumculation
Ans : b
72. A process by which the plant itself helps in degrading the contamination by enzymatic action is called
a) Phyto semediation b) Bio remediation c) Remediation d) Bio concentration
Ans : a
73. The animals and plants that face the most serious thread of extinction is termed as
a) Rare species b) Threatened species c) Endangered species d) Indeterminate species
Ans : c
74. In an ecosystem, the carnivores are
a) Produces b) Predators c) Decomposes d) abiotic
Ans : b
75. The stratified layer of the sea as pond which does not fluctuate with the climatic condition is
a) Epilimnion b) Hypolimnion c) Thermocline d) Lacustrine
Ans : c
76. The escape velocity of a satellite projected from the surface of the earth is independent of
a) the height of the satellite b) radius of the earth
c) man of the satellite d) acceleration due to gravity
Ans : *
77. Given then specific heat of ice to be 0.5 cal/gm, arrange the amount of heat needed in the increasing order of magnitude:
A. 1 gm of ice at 100C to water at 100C
Ans : *
77. Given then specific heat of ice to be 0.5 cal/gm, arrange the amount of heat needed in the increasing order of magnitude:
A. 1 gm of ice at 100C to water at 100C
B. 1 gm of water at 980C to steam at 1000C
C. 1 gm of water from 400C to 800C
a) A, B, C b) C, A, B c) B, A, C d) C, B, A
Ans : b
78. Which of the following will a hydrogen balloon find easiest to lift?
a) 1 kg of steel b) 1 kg of light, loosely packed feathers
c) 1 kg of water d) There will be no difference as all have the same weight.
Ans : c
79. The shrinkage of protoplast from the cell wall resulting in plasmolysis is caused by
a) Endosmosis b) Exosmosis c) Imbibition d) Transpiration
Ans : b
80. Which is correct?
1. The latex from Hevea Braziliensis end essential oils from different parts of plant organisms are basically excretory products.
C. 1 gm of water from 400C to 800C
a) A, B, C b) C, A, B c) B, A, C d) C, B, A
Ans : b
78. Which of the following will a hydrogen balloon find easiest to lift?
a) 1 kg of steel b) 1 kg of light, loosely packed feathers
c) 1 kg of water d) There will be no difference as all have the same weight.
Ans : c
79. The shrinkage of protoplast from the cell wall resulting in plasmolysis is caused by
a) Endosmosis b) Exosmosis c) Imbibition d) Transpiration
Ans : b
80. Which is correct?
1. The latex from Hevea Braziliensis end essential oils from different parts of plant organisms are basically excretory products.
2. Earthworm excretes through their skin.
a) 1 alone b) 2 alone c) 1 and 2 d) none
Ans : a
81. There set of muscles controlling volume of sound, frequency and quality of sound surrounds the
a) Syrinx b) Pharynx c) Larynx d) Trachea
Ans : c
82. Match the following:
A. Weakly acidic solution 1. pH is about 6.5
B. Strongly basic solution 2. pH is about 12.5
C. Light alloy 3. Magnalium
D. Alloy of copper & zinc 4. Brass
A B C D A B C D A B C D A B C D
a) 1 2 3 4 b) 2 1 4 3 c) 2 1 3 4 d) 1 2 4 3
Ans : a
83. If the speed of rotation of the earth increases, the weight of a body,
a) will increase
a) 1 alone b) 2 alone c) 1 and 2 d) none
Ans : a
81. There set of muscles controlling volume of sound, frequency and quality of sound surrounds the
a) Syrinx b) Pharynx c) Larynx d) Trachea
Ans : c
82. Match the following:
A. Weakly acidic solution 1. pH is about 6.5
B. Strongly basic solution 2. pH is about 12.5
C. Light alloy 3. Magnalium
D. Alloy of copper & zinc 4. Brass
A B C D A B C D A B C D A B C D
a) 1 2 3 4 b) 2 1 4 3 c) 2 1 3 4 d) 1 2 4 3
Ans : a
83. If the speed of rotation of the earth increases, the weight of a body,
a) will increase
b) decrease
c) have no change
d) increase of decrease depending on its material.
Ans : b
84. The chromosomal study of karyotyping can best be done during the
a) Prophase b) Metaphase c) Telophase d) Cytokinesis
Ans : b
85. Match the following:
A. Golgi complex 1. Glycosidation
B. Protoplasm 2. Absent in higher plants
C. Centrioles 3. Rich in RNA
D. Nucleolus 4. Exists in two phases
A B C D A B C D A B C D A B C D
a) 3 2 4 1 b) 3 4 2 1 c) 1 2 4 3 d) 1 4 2 3
Ans : d
86. The art and hobby of growing dwarf forms of trees and shrubs in pots is called
a) Ichthyology b) Eugenics c) Bonsai d) Epigenetics
Ans : c
87. If the blood groups of parents are B and B, what are the impossible blood groups in children?
a) A b) A & AB3 c) A, AB, O d) O
Ans : b
88. Gower’s disease refers to
a) Muscular atrophy
Ans : b
84. The chromosomal study of karyotyping can best be done during the
a) Prophase b) Metaphase c) Telophase d) Cytokinesis
Ans : b
85. Match the following:
A. Golgi complex 1. Glycosidation
B. Protoplasm 2. Absent in higher plants
C. Centrioles 3. Rich in RNA
D. Nucleolus 4. Exists in two phases
A B C D A B C D A B C D A B C D
a) 3 2 4 1 b) 3 4 2 1 c) 1 2 4 3 d) 1 4 2 3
Ans : d
86. The art and hobby of growing dwarf forms of trees and shrubs in pots is called
a) Ichthyology b) Eugenics c) Bonsai d) Epigenetics
Ans : c
87. If the blood groups of parents are B and B, what are the impossible blood groups in children?
a) A b) A & AB3 c) A, AB, O d) O
Ans : b
88. Gower’s disease refers to
a) Muscular atrophy
b) Thickening of ear drum
c) Blistered skin
d) Degeneration of upper parts of spinal cord and cerebellum.
Ans : a
89. To generate edible vaccines, scientist rely on the bacteria
a) E. coli b) Pseudomonas c) Rhizobium d) Agrobacterium Tumefacians
Ans : d
90. Sound can be heard sometime for great distances over water surfaces. This is because, sound undergoes
a) Reflection b) Diffraction c) Refraction d) Interference
Ans : c
91. Which is true?
1. The solubility of any gas in a liquid solvent decreases as the temperature rises and becomes zero at the boiling point of the solvent. 2. The solubility of a solid or liquid increases as the temperature decreases.
a) 1 & 2 b) none c) 1 alone d) 2 alone
Ans : c
92. When the velocity of a body is halved
a) its momentum is halved b) its KE is halved
d) Degeneration of upper parts of spinal cord and cerebellum.
Ans : a
89. To generate edible vaccines, scientist rely on the bacteria
a) E. coli b) Pseudomonas c) Rhizobium d) Agrobacterium Tumefacians
Ans : d
90. Sound can be heard sometime for great distances over water surfaces. This is because, sound undergoes
a) Reflection b) Diffraction c) Refraction d) Interference
Ans : c
91. Which is true?
1. The solubility of any gas in a liquid solvent decreases as the temperature rises and becomes zero at the boiling point of the solvent. 2. The solubility of a solid or liquid increases as the temperature decreases.
a) 1 & 2 b) none c) 1 alone d) 2 alone
Ans : c
92. When the velocity of a body is halved
a) its momentum is halved b) its KE is halved
c) its acceleration is halved d) its PE is halved
Ans : a
93. Which of the substances is efflorescent?
a) NaHCO3 b) CaCO3 c) Na2CO3 d) Na2CO3.H2O
Ans : d
94. A device used to measure heights above sea is known as
a) Altimeter b) Anemometer c) Dilatometer d) Potentiometer
Ans : a
95. In a hydraulic press, the diameters of the pistons are in the ratio of 1:10. A force of 20 N is applied on the smaller piston. The maximum weight that will be lifted on the larger piston is
a) 200 N b) 20 n c) 2000 N d) 1000 N
Ans : c
96. Pieces of camphor placed on water moves about rapidly. This is because of
a) Diffusion b) Surface Tension c) Capillary action d) Viscosity
Ans : b
97. The limbless amphibian that shows parental care by carefully coiling her body around eggs till they hatch is
a) Ichthyopsis b) Sphenodon c) Archeopteryx d) Dipnoi fish
Ans : a
98. Match the following:
A. Fruit rot 1. Grapes
B. Loose smut 2. Lady’s finger
C. Tikka disease 3. Wheat
D. Mildew 4. Ground nut
A B C D A B C D A B C D A B C D
a) 2 4 3 1 b) 2 3 4 1 c) 1 3 4 2 d) 1 4 3 2
Ans : b
99. Which is incorrect?
1. Bronchitis is a common respiratory tract disease cause by streptococcus pneumonia.
2. Amoxicillin, tetracycline end cotrimaxazole are the effective drugs against it.
a) 1 alone b) 2 alone c) 1 & 2 d) None
Ans : a
100. When the relative humidity of air at 50 0C is 50% cooling of the air,
a) raises the absolute humidity b) produces no change in relative humidity
c) decreases relative humidity d) increases relative humidity.
Ans : d
Ans : a
93. Which of the substances is efflorescent?
a) NaHCO3 b) CaCO3 c) Na2CO3 d) Na2CO3.H2O
Ans : d
94. A device used to measure heights above sea is known as
a) Altimeter b) Anemometer c) Dilatometer d) Potentiometer
Ans : a
95. In a hydraulic press, the diameters of the pistons are in the ratio of 1:10. A force of 20 N is applied on the smaller piston. The maximum weight that will be lifted on the larger piston is
a) 200 N b) 20 n c) 2000 N d) 1000 N
Ans : c
96. Pieces of camphor placed on water moves about rapidly. This is because of
a) Diffusion b) Surface Tension c) Capillary action d) Viscosity
Ans : b
97. The limbless amphibian that shows parental care by carefully coiling her body around eggs till they hatch is
a) Ichthyopsis b) Sphenodon c) Archeopteryx d) Dipnoi fish
Ans : a
98. Match the following:
A. Fruit rot 1. Grapes
B. Loose smut 2. Lady’s finger
C. Tikka disease 3. Wheat
D. Mildew 4. Ground nut
A B C D A B C D A B C D A B C D
a) 2 4 3 1 b) 2 3 4 1 c) 1 3 4 2 d) 1 4 3 2
Ans : b
99. Which is incorrect?
1. Bronchitis is a common respiratory tract disease cause by streptococcus pneumonia.
2. Amoxicillin, tetracycline end cotrimaxazole are the effective drugs against it.
a) 1 alone b) 2 alone c) 1 & 2 d) None
Ans : a
100. When the relative humidity of air at 50 0C is 50% cooling of the air,
a) raises the absolute humidity b) produces no change in relative humidity
c) decreases relative humidity d) increases relative humidity.
Ans : d
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