Life Sciences
GATE XL branch:xl PYQs
Build your understanding with focused practice from past exam papers.
Questions 221–230 of 1235. Imported answers require independent review unless marked reviewed.
Question 99
Open questionXL-TMSQ2 marksNeeds review
Which of the following animals in India are included under “critically endangered” threat category as per the Red Data List of IUCN?
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Open questionXL-TMSQ2 marksNeeds review
Which of the following statements in relation to cell movement during gastrulation in Sea urchin is/are correct?
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Open questionXL-TMSQ2 marksNeeds review
Which of the following genetic disorders is/are caused by trinucleotide repeat expansions?
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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 102
Open questionXL-TNAT2 marksNeeds review
The mother and the father of five children are carriers (heterozygous) of an autosomal recessive allele that causes cystic fibrosis. The probability of having exactly three normal children among five is _____ (up to two decimal places)
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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 103
Open questionXL-TNAT2 marksNeeds review
An enzyme, which follows Michaelis-Menten equation, catalyzes the reaction A→B. When enzyme and substrate concentrations are 15 nM and 10 μM, respectively, the reaction velocity is 5 μM s⁻¹. If Kₘ for the substrate is 5 μM, the kinetic efficiency of the enzyme will be ______×10⁶ M⁻¹s⁻¹ (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 104
Open questionXL-UMCQ1 markNeeds review
Which of the following contains the phytonutrient allicin?
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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 105
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Which mold is responsible for the characteristic blue marbling in blue-veined cheese?
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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 106
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Which genus of bacteria does NOT have cell wall?
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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 107
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Which of the following pigment does NOT have pro-vitamin A activity?
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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 108
Open questionXL-UMCQ1 markNeeds review
Identify the analysis that must be performed FIRST to judge ‘cleanliness’ of spice/herb powders.
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