GATE BT 2017 Paper 1 — page 4

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Biotechnology
2017 Paper 1

Complete GATE BT 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 10–12 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 4 of 22

Assertion [a]: Gram negative bacteria show staining with safranin. Reason [r]: Gram negative bacteria have an outer membrane with lipopolysaccharides.

Your answerChoose one option.

Both [a] and [r] are true and [r] is the correct reason for [a].

Both [a] and [r] are true but [r] is not the correct reason for [a].

Both [a] and [r] are false.

[a] is true but [r] is false.

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The plant hormone indole-3-acetic acid is derived from

Your answerChoose one option.

histidine

tyrosine

tryptophan

proline

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Enzyme-linked immunosorbent assay (ELISA) is used for

Your answerChoose one option.

quantifying antibody levels in blood

determining the molecular weight of an antigen

purifying proteins from biological fluids

determining the molecular weight of an antibody

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2017 · Paper 1

Question 10

Question 11

Question 12