Agricultural Biotechnology MCQs

Question 1

Substrate level phosphorylation occurs in Citric cycle when

Accepted Answer

Succinyl Co A to succinate

Answer

Isocitrate is converted to α-ketoglutarate

Answer

Succinate is converted to fumarate

Answer

Malate to oxalate

Question 2

Essential constituents of an expression vector are

Accepted Answer

Replicon, unique restriction site, selectable marker and promoter

Answer

Replicon, promotor and selectable marker

Answer

Promoter, operator and restriction site

Answer

Replicon, unique restriction site and promoter

Question 3

Genetically engineered bacteria is used for the production of

Accepted Answer

Human insulin

Answer

Ephedrine

Answer

Cortisoles

Answer

Thyroxine

Question 4

The domains of cry protein

Accepted Answer

All of the above

Answer

Domain I helps in membrane insertion

Answer

Domain II helps in receptor recognition

Answer

Domain III helps in protection of Cry protein

Question 5

Application of which hormone changes the sex in unisexual plants?

Accepted Answer

Cytokinins

Answer

ABA

Answer

Ethanol

Answer

Auxins

Question 6

The transformation experiment was concluded by

Accepted Answer

Avery-Macleod-McCarty

Answer

Harsy and Chase

Answer

Bateson

Answer

Beedle

Question 7

The auxin : cytokinin regulation was proposed by

Accepted Answer

Skoog and Miller

Answer

Haberlandt

Answer

Steward

Answer

Hanning

Question 8

Example of phagemid vector is

Accepted Answer

pBlue script II KS

Answer

pBR322

Answer

pUC18

Answer

EMBL4

Question 9

Technique for sequencing DNA and protein is

Accepted Answer

All of the above

Answer

NMR spectroscopy

Answer

X-ray crystallography

Answer

Electron microscopy