Life Sciences
GATE XL year:2024 PYQs
Build your understanding with focused practice from past exam papers.
Questions 91–100 of 122. Imported answers require independent review unless marked reviewed.
Question 91
Open questionXL-TMCQ1 markNeeds review
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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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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Open questionXL-TMCQ2 marksNeeds review
Which one of the following statements is NOT TRUE of glycosaminoglycans?
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Open questionXL-TMCQ2 marksNeeds review
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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Open questionXL-TMCQ2 marksNeeds review
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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Open questionXL-TMCQ2 marksNeeds review
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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Open questionXL-TMCQ2 marksNeeds review
Which one of the following rooted tree topologies best describes the primate phylogeny?
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Open questionXL-TMSQ2 marksNeeds review
Consider a species of brightly colored beetle. Which one or more of the following observations suggest(s) that this species is aposematic?
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Open questionXL-TMSQ2 marksNeeds review
The embryos of which one or more of the following animals show meroblastic cleavage?
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Open questionXL-TMSQ2 marksNeeds review
Which one or more of the following parasites is/are typically transmitted by mosquitoes as vector?
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