GATE XL topic:biology PYQs & Answers — Page 16

Questions 151–160 of 1235. Imported answers require independent review unless marked reviewed.

Topic practice 1235 questionsPage 16 of 124

Which one of the following molecules captures CO₂ in the C₄ cycle?

Your answerChoose one option.

1,3-Bisphosphoglycerate

Oxaloacetate

Phosphoenolpyruvate

Ribulose-1,5-bisphosphate

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following methods separates biomolecules based on their hydrodynamic volumes?

Your answerChoose one option.

Anion-exchange chromatography

Cation-exchange chromatography

Size-exclusion chromatography

Thin-layer chromatography

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following restriction endonucleases is a blunt cutter?

Your answerChoose one option.

BamHI

EcoRI

HindIII

EcoRV

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following DNA repair systems requires DNA glycosylases?

Your answerChoose one option.

Base-excision

Direct

Mismatch

Nucleotide-excision

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following ion channels opens to repolarize the neuronal membrane when an action potential is generated?

Your answerChoose one option.

channel

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following is the most sensitive immunoassay?

Your answerChoose one option.

Immunoelectrophoresis

Immunofluorescence

Radial immunodiffusion

Radioimmunoassay

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which of the following statements about antibodies is/are correct

Your answerSelect all correct options. You can choose more than one.

Different antibody class have different effector functions.

Each antibody chain consists of an amino-terminal constant region and a carboxy-terminal variable region.

Variable domains harbour complementarity-determining regions.

All antibodies have same half-life.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following molecules does NOT contain phosphoanhydride bond(s)?

Your answerChoose one option.

Adenosine diphosphate

Adenosine triphosphate

Fructose-1,6-bisphosphate

Pyrophosphate

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For an enzyme that follows Michaelis-Menten kinetics, a competitive inhibitor

Your answerChoose one option.

increases both

and

decreases both

and

increases

but does not affect

decreases

but does not affect

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Förster Resonance Energy Transfer does NOT depend on the

Your answerChoose one option.

relative orientation of donor and acceptor.

fluorescence quantum yield of acceptor.

distance between donor and acceptor.

overlap between donor’s emission and acceptor’s absorption spectra.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE XL topic:biology PYQs

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 35

Question 36

Question 37

Question 38