Special Proteins and Crop Improvement

Question: Meristem culture of banana enables
[A].

rapid multiplication

[B].

elimination of bunch top virus disease

[C].

both (a) and (b)

[D].

slow growth

Answer: Option C

Explanation:

No answer description available for this question.

Question: MS medium, is found essential for initial morphogenesis of the immature embryos and to enhance callus development, when supplemented with
[A].

GA3

[B].

GA3 and coconut milk

[C].

adenine

[D].

adenine and kinetin

Answer: Option B

Explanation:

No answer description available for this question.

Question: Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be
[A].

3-deoxyanthocyanidin

[B].

luteolinidin

[C].

apigeninidin

[D].

5-0 apigeninidin

Answer: Option A

Explanation:

No answer description available for this question.

Question: Commercial sugarcane is heterozygons with germplasm from
[A].

1-3 Saccharum species

[B].

3-5 Saccharum species

[C].

5-7 Saccharum species

[D].

7-9 Saccharum species

Answer: Option B

Explanation:

No answer description available for this question.

Question: Establishment of embryogenic cell suspensions with high regeneration potential is a pre-requisite for successful
[A].

protoplast culture

[B].

detection of nucleic acid sequence

[C].

restriction of fragment length polymorphisms

[D].

microinjection

Answer: Option A

Explanation:

No answer description available for this question.

Question: Avermectins (AVM) are macrocyclic lactones which have potent antihelminthic and insecticidal action. They are generally derived from the mycelia of
[A].

Streptomyces avermitilis

[B].

B. thrunigiensis

[C].

P. flourescens

[D].

L. peruvianum

Answer: Option A

Explanation:

No answer description available for this question.

Question: Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to
[A].

Meloidogyne spp. nematodes

[B].

L. peruviaanum

[C].

both (a) and (b)

[D].

Solarium melongena

Answer: Option A

Explanation:

No answer description available for this question.

Question: Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards
[A].

Meloidogyne spp.nematodes

[B].

L. peruviaanum

[C].

both (a) and (b)

[D].

Solarium melongena

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following technique can be used to develop nematode resistant plants?
[A].

Embryo-rescue

[B].

Mutation

[C].

Non-recombinant DNA

[D].

All of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize
[A].

Aegilops

[B].

Triticum

[C].

Both (a) and (b)

[D].

S alleles

Answer: Option D

Explanation:

No answer description available for this question.