Practice Questions

TLS Online TPP Program

#Question id: 40453

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Chara is known as "Stone Wort."
Reason (R): The plant body of Chara is heavily encrusted with calcium carbonate deposits.
In the light of the above statements, choose the correct answer:

#Botany

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

More Questions

TLS Online TPP Program

#Question id: 37840

#Plant Biotechnology

In plant tissue culture:

1. High cytokinin: low auxin →

2. High auxin: low cytokinin

TLS Online TPP Program

#Question id: 37841

#Plant Biotechnology

The following statements refer to plant regeneration from explants/tissues:

(A) Cytokinin promotes shoot formation

(B) Auxin promotes root formation

(C) Auxin: Cytokinin ratio determines organ differentiation

(D) Gibberellin is required for both root and shoot formation

Which of the following combinations is correct?

TLS Online TPP Program

#Question id: 37842

#Plant Biotechnology

Which culture technique is used for virus-free plant production?

TLS Online TPP Program

#Question id: 37843

#Plant Biotechnology

The culture technique used to increase the efficiency of seed germination is:

TLS Online TPP Program

#Question id: 37844

#Plant Biotechnology

Somatic embryos are produced by which of the following culture techniques?

TLS Online TPP Program

#Question id: 37845

#Plant Biotechnology

Haploid plant production can be achieved through: