Biology Full Length Mock Test 30 JULY
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- Answered
- Review
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Question 1 of 100
1. Question
1 point(s)Which one of the following is not used for ex situ plant conservation?
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Question 2 of 100
2. Question
1 point(s)Which of the following represent maximum number of species among global biodiversity?
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Question 3 of 100
3. Question
1 point(s)Plants like Aegle marmelos, Ocimum sanctum and Ficus religiosa are a group of plants designated as
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Question 4 of 100
4. Question
1 point(s)Study the four statements (a–d) given below and select the two correct ones out of them
(a) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
(b) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates
(c) Predators ultimately lead to the extinction of prey species
(d) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders
The two correct statements are:
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Question 5 of 100
5. Question
1 point(s)Which one of the following is used as biological insecticide?
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Question 6 of 100
6. Question
1 point(s)In paddy fields biological nitrogen fixation is chiefly brought by
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Question 7 of 100
7. Question
1 point(s)A hybrid where the cytoplasm of two parent cells are fused by retaining only one parental nucleus is called
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Question 8 of 100
8. Question
1 point(s)The organism which causes pneumonia in human beings is
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Question 9 of 100
9. Question
1 point(s)A localized inflammatory response appears at the site of infection causes redness, swelling, pain and heat due to certain chemical, they are
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Question 10 of 100
10. Question
1 point(s)Antivenom is used for the treatment of snake bite. The treatment of snake bite by antivenom is an example of
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Question 11 of 100
11. Question
1 point(s)Main objective of production/use of herbicide resistant Genetically modified crops is to:
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Question 12 of 100
12. Question
1 point(s)Which one of the following is used as biological insecticide?
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Question 13 of 100
13. Question
1 point(s)During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded?
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Question 14 of 100
14. Question
1 point(s)Bacillus thuringiensis (Bt) strains have been used for designing novel
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Question 15 of 100
15. Question
1 point(s)A hybrid where the cytoplasm of two parent cells are fused by retaining only one parental nucleus is called
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Question 16 of 100
16. Question
1 point(s)Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by
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Question 17 of 100
17. Question
1 point(s)Study the followings related to uses of plants and identify the correct match for the sorghum and cotton respectively.
I. Blood purification and organic fertilizer.
II. Animal feed and paper industry
III. ‘B’ Vitamin and cosmetics.
IV. Explosives and organic fertilizer.
The correct pair is:
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Question 18 of 100
18. Question
1 point(s)Bacillus thuringiensis is used to control
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Question 19 of 100
19. Question
1 point(s)Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in
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Question 20 of 100
20. Question
1 point(s)Restriction endonucleases are most widely used in recombinant DNA technology. They are obtained from
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Question 21 of 100
21. Question
1 point(s)In cloning of cattle a fertilized egg is taken out of the mother’s womb and
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Question 22 of 100
22. Question
1 point(s)The transgenic animals are those which have
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Question 23 of 100
23. Question
1 point(s)Which one contains four pyrimidine bases?
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Question 24 of 100
24. Question
1 point(s)Which one of the following is not a constituent of cell membrane?
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Question 25 of 100
25. Question
1 point(s)Which one of the following also acts as a catalyst in a bacterial cell?
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Question 26 of 100
26. Question
1 point(s)Plasma membrane is made up of
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Question 27 of 100
27. Question
1 point(s)Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?
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Question 28 of 100
28. Question
1 point(s)Cell division can not be stopped in which phase of the cell cycle?
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Question 29 of 100
29. Question
1 point(s)The ‘‘lock and key’’ model of enzyme action illustrates that a particular enzyme molecule
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Question 30 of 100
30. Question
1 point(s)Feedback inhibition of enzymes is affected by which of the following
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Question 31 of 100
31. Question
1 point(s)Which of the following is not a conjugated protein?
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Question 32 of 100
32. Question
1 point(s)The effectiveness of an enzyme is affected least by
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Question 33 of 100
33. Question
1 point(s)Enzymes that catalyse inter-conversion of optical, geometrical or positional isomers are
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Question 34 of 100
34. Question
1 point(s)The first enzyme to be purified and crystallized was
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Question 35 of 100
35. Question
1 point(s)Beadle and Tatum showed that each kind of mutant bread mould they studied lacked a specific enzyme. Their experiments demonstrated that
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Question 36 of 100
36. Question
1 point(s)The activity of succinate dehydrogenase is inhibited by
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Question 37 of 100
37. Question
1 point(s)The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in the leguminous root nodule is
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Question 38 of 100
38. Question
1 point(s)Which one of the following statements is true with reference to enzymes?
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Question 39 of 100
39. Question
1 point(s)Comparable to angiosperms, which of the following algae exhibits diplontic life cycle?
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Question 40 of 100
40. Question
1 point(s)Isogamous condition with non-flagellated gametes is found in
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Question 41 of 100
41. Question
1 point(s)Besides paddy fields, cyanobacteria are also found inside vegetative part of
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Question 42 of 100
42. Question
1 point(s)What is true about Archaebacteria?
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Question 43 of 100
43. Question
1 point(s)Nuclear membrane is absent in
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Question 44 of 100
44. Question
1 point(s)In the five-kingdom classification, Chlamydomonas and Chlorella have been included in
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Question 45 of 100
45. Question
1 point(s)Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?
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Question 46 of 100
46. Question
1 point(s)Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?
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Question 47 of 100
47. Question
1 point(s)Which of the following combination of characters is true for slime molds? -
Question 48 of 100
48. Question
1 point(s)Consider the following four conditions (a – d) and select the correct pair of them as adaptation to environment in desert lizards. The conditions (a) Burrowing in soil to escape high temperature (b) Losing heat rapidly from the body during high temperature (c) Bask in sun when temperature is low (d) Insulating body due to thick fatty dermis
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Question 49 of 100
49. Question
1 point(s)In a population, if the rate of addition of new members is higher than the rate of individuals lost, it shows
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Question 50 of 100
50. Question
1 point(s)In an ecosystem Biotic factors affect the survival of an organism in that ecosystem. They includes
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Question 51 of 100
51. Question
1 point(s)Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as
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Question 52 of 100
52. Question
1 point(s)The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
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Question 53 of 100
53. Question
1 point(s)When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:
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Question 54 of 100
54. Question
1 point(s)An important evidence in favor of organic evolution is the occurrence of
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Question 55 of 100
55. Question
1 point(s)If two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, 75% of the flowers are red and 25% are white. The genotypic constitution of the parents having red coloured flowers will be
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Question 56 of 100
56. Question
1 point(s)In Mendel’s experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY × rryy?
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Question 57 of 100
57. Question
1 point(s)When a tall plant with round seeds (TTRR) crossed with a dwarf plant with wrinkle seeds (tfrr). The F1 generation consists of tall plants with round seeds. What would be the proportion of dwarf plant with wrinkle seeds in F1 generation?
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Question 58 of 100
58. Question
1 point(s)Phenotype of an organism is the result of
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Question 59 of 100
59. Question
1 point(s)Test cross of dihybrid ratio 1 : 1 : 1 : 1 then it proves that -
Question 60 of 100
60. Question
1 point(s)Two pea plants were subjected cross pollination. Of the 183 plants produced in the next generation, 94 plants were found to be tall and 89 plants were found to be dwarf. The genotypes of the two parental plants are likely to be
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Question 61 of 100
61. Question
1 point(s)PCR and Restriction Fragment Length Polymorphism are the methods for
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Question 62 of 100
62. Question
1 point(s)Removal of introns and joining of exons in a defined order during transcription is called
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Question 63 of 100
63. Question
1 point(s)A single strand of nucleic acid tagged with a radioactive molecule is called
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Question 64 of 100
64. Question
1 point(s)Why are UGA, UAG and UAA called termination codons?
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Question 65 of 100
65. Question
1 point(s)In the DNA molecule:
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Question 66 of 100
66. Question
1 point(s)What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA
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Question 67 of 100
67. Question
1 point(s)The sequence of events mentioned below are symbolized by alphabets. Choose the correct answer where the alphabets are matched with the processes. <.p>
RNA —(A)—> DNA —(B)—> DNA —(C)—> mRNA —(D)—> Polypeptide
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Question 68 of 100
68. Question
1 point(s)In a healthy adult man the normal diastolic pressure is
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Question 69 of 100
69. Question
1 point(s)The deposition of lipids on the wall lining the lumen of large and medium sized arteries is referred to as
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Question 70 of 100
70. Question
1 point(s)The valves which allow blood to flow from the ventricles into the arteries and not in the opposite direction are
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Question 71 of 100
71. Question
1 point(s)Which of the following sequences is truly a systemic circulation pathway?
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Question 72 of 100
72. Question
1 point(s)People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude of 5400 metres have around 8 million. This is because at high altitude
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Question 73 of 100
73. Question
1 point(s)Organ that produces bile is ______.
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Question 74 of 100
74. Question
1 point(s)The glucose is converted into glycogen in liver and stored in
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Question 75 of 100
75. Question
1 point(s)Which enzyme is used in alcoholic fermentation of yeast?
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Question 76 of 100
76. Question
1 point(s)The primary androgen produced by males is ______.
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Question 77 of 100
77. Question
1 point(s)Which of the following hormone is chemically glycoprotein?
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Question 78 of 100
78. Question
1 point(s)The hormone responsible for “Fight and Flight” response is
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Question 79 of 100
79. Question
1 point(s)Which of the following hormones synchronizes circadian rhythms and may be involved in onset of puberty?
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Question 80 of 100
80. Question
1 point(s)Which one of the following pairs is incorrectly matched?
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Question 81 of 100
81. Question
1 point(s)What is reabsorbed through loop of Henle?
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Question 82 of 100
82. Question
1 point(s)Why do we urinate more in wet and cold months?
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Question 83 of 100
83. Question
1 point(s)Which of the following hormones is involved in regulating the water-salt balance of the blood?
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Question 84 of 100
84. Question
1 point(s)Which one of the following membranes secretes a watery fluid that lubricates and cushions the joint?
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Question 85 of 100
85. Question
1 point(s)Which of the following muscles draw the lower jaw, tongue and the head backward?
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Question 86 of 100
86. Question
1 point(s)Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?
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Question 87 of 100
87. Question
1 point(s)Hemoglobin retains oxygen and releases it in the ______.
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Question 88 of 100
88. Question
1 point(s)In which one of the following do the two names refer to one and the same things?
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Question 89 of 100
89. Question
1 point(s)The oxygen dissociation curve is shifted to the right by an increase in ______.
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Question 90 of 100
90. Question
1 point(s)In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
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Question 91 of 100
91. Question
1 point(s)Short-lived immunity acquired from mother to foetus across placenta or through mother’s milk to the infant is categorized as:
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Question 92 of 100
92. Question
1 point(s)About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs?
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Question 93 of 100
93. Question
1 point(s)An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
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Question 94 of 100
94. Question
1 point(s)In anatropous ovule what is the direction of micropyle?
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Question 95 of 100
95. Question
1 point(s)As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plants
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Question 96 of 100
96. Question
1 point(s)Which one of the following is not true about the light reactions of photosynthesis?
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Question 97 of 100
97. Question
1 point(s)An example of merocrine gland is______.
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Question 98 of 100
98. Question
1 point(s)Cancer cells are more easily damaged by radiation than normal cells because they are______.
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Question 99 of 100
99. Question
2 point(s)Which glands secrete hormones directly into the extracellular space?
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Question 100 of 100
100. Question
2 point(s)Which of the following has slowest growth rate?