Life Sciences
GATE XL format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 781–790 of 812. Imported answers require independent review unless marked reviewed.
Question 79
Open questionXL-TMCQ1 markNeeds review
The enzyme amylase can break alpha glycosidic linkages between glucose monomers. Hence, amylase can digest which one of the following carbohydrates?
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The metabolic pathway which is common to both fermentation and cellular respiration is
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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 81
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A female “Spotted sand piper” courts males repeatedly. This behavior can be explained by the term
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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 82
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Malaria is caused by Plasmodium species, which is a parasite having a complex life cycle. The fusion between male and female gametocytes of Plasmodium happens inside
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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 83
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Aromatase inhibitors are often prescribed for post-menopausal women to treat estrogen receptor positive breast cancer patients, because this class of drugs
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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 84
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The covalent modification performed by kinases which regulate proteins in signaling pathways is
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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 85
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Which one of the following statements is NOT correct?
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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
Open questionXL-TMCQ2 marksNeeds review
Upon activation of phospholipase C by ligand binding to G-protein coupled receptor, the Ca²⁺ concentration in cytosol will
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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
Open questionXL-TMCQ2 marksNeeds review
Match the following molecules in Group I with their function in Group II
Group I
P. Transferrin
Q. Insulin
R. α-macroglobulin
S. Fibronectin
Group II
(i) Uptake of glucose
(ii) Binds iron
(iii) Substratum for cell attachment
(iv) Proteinase inhibitor
(v) Binds to oxygen in RBC
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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-TMCQ2 marksNeeds review
If a heavy chain of an antibody molecule weighs 65,000 Daltons (Da) and a light chain weighs 25,000 Da, the approximate calculated weight of an IgM antibody in Da will be
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