Life Sciences
GATE XL topic:life-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 331–340 of 1235. Imported answers require independent review unless marked reviewed.
Question 87
Open questionXL-TMCQ1 markNeeds review
Codon bias is correlated with the relative frequencies of which one of the following types of RNA?
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CREB1 is a eukaryotic transcription factor. In which one of the following compartments of the cell is CREB1 predominantly localized?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 89
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In certain species of salamanders, male-female pairs have multiple mating partners in a breeding season. Which one of the following terminologies accurately describes this mating system?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 90
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Which one of the following statements describes the key function of human sweat glands?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 91
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Urease enzyme catalyzes the conversion of urea into ammonia and carbon dioxide. Which one of the following organisms expresses urease enzyme?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 92
Open questionXL-TNAT1 markNeeds review
The human genetic code is triplet in nature with 64 codons made using four nucleotides. If the human genetic code was doublet in nature, the number of codons theoretically possible from four nucleotides is ______. (Answer in integer)
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 93
Open questionXL-TMCQ2 marksNeeds review
Which one of the following statements is NOT TRUE of glycosaminoglycans?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 94
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Which one of the options correctly matches the human tissues/organs with their embryonic germ layers of origin?
Tissues/organs | Embryonic germ layers |
|---|---|
(P) liver | (I) ectoderm |
(Q) cerebellum | (II) endoderm |
(R) femur | (III) mesoderm |
(A) P-II, Q-I, R-III
(B) P-III, Q-I, R-II
(C) P-I, Q-II, R-III
(D) P-II, Q-III, R-I
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 95
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Consider a large population of a finch species, where both small and big beak sizes are advantageous, and an intermediate beak size is maladaptive. Over a period of 10 years, which one of the following evolutionary processes is most likely to operate on the beak size of this finch population?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 96
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When the blood glucose level of a healthy person is 100 mg/dL, which one of the following options is most likely to represent the level of glucose in the urine of that person?
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