Special Proteins and Crop Improvement MCQs

Question 1

Which of the following is the class of hybridization?

Accepted Answer

all of these

Answer

Intervarietal

Answer

Interspecific

Answer

Intergeneric

Question 2

Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to

Accepted Answer

Meloidogyne spp. nematodes

Answer

L. peruviaanum

Answer

both (a) and (b)

Answer

Solarium melongena

Question 3

In transgenic plants of Arabidipsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhdroxybutyrate)?

Accepted Answer

Both (a) and (b)

Answer

Acetyl Co A reductase

Answer

Polyhydroxybutyrate synthease

Answer

Pyrophosphorylase

Question 4

Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards

Accepted Answer

L. peruviaanum

Answer

Meloidogyne spp.nematodes

Answer

both (a) and (b)

Answer

Solarium melongena

Question 5

When the transposon jumps into an otherwise functional gene, it has the effect of

Accepted Answer

blocking correct transcription

Answer

initiating correct transcription

Answer

propagating correct transcription

Answer

initiating some genetic codes

Question 6

Which of the following constituent/(s) is/are added to help in speedy generation of meristem culture in case of Ipomoea batatas improvement?

Accepted Answer

Both (a) and (b)

Answer

Auxins

Answer

Cytokinins

Answer

Adenine

Question 7

cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize

Accepted Answer

S alleles

Answer

Aegilops

Answer

Triticum

Answer

Both (a) and (b)