Life Sciences
GATE XL topic:biological-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 311–320 of 1235. Imported answers require independent review unless marked reviewed.
Question 67
Open questionXL-SMCQ1 markNeeds review
Which one of the following organisms has axial filaments?
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Who among the following scientists was the pioneer in development of chemotherapy?
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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 69
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In which of following processes, glutaraldehyde is used as a sterilizing agent?
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The most abundant class of immunoglobulins in serum is __________.
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Which one of the following double-stranded sequences will NOT be recognized by a Type IIP restriction endonuclease?
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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 72
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Which one of the following use inorganic compounds as an energy source?
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Which one of the following represents the abundance of the organisms found in soil?
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Open questionXL-SMCQ2 marksNeeds review
Match the antibiotics in Group I with the microorganisms that produce them in Group II.
Group I
(P) Streptomycin
(Q) Bacitracin
(R) Amphotericin B
(S) Chloramphenicol
Group II
(i) Streptomyces griseus
(ii) Bacillus licheniformis
(iii) Streptomyces venezuelae
(iv) Streptomyces nodosus
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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 75
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Which one of the following redox couples has the highest tendency to donate electrons?
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Open questionXL-SMSQ2 marksNeeds review
Which of the following is/are active transport mechanism(s) in prokaryotes where the substance is chemically altered during transport across the membrane?
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