Identify the group of scientists who developed the intergenic hybrid - the pomato.

(a)

Yamada et al.

(b)

Horsh et al.

(c)

Takebe et al.

(d)

Melchers et al.

Which of the following condition favours callus induction?

(a)

Temperature of 25°C ± 5°C with 12 hours of photoperiod

(b)

Temperature of 25°C ± 2°C with 18 hours of photoperiod

(c)

Temperature of 25°C ± 5°C with 14 hours of photoperiod

(d)

Temperature of 25°C ± 2°C with 16 hours of photoperiod

A widely used fusogen in protoplast culture is ________

(a)

Polymethyl glycol

(b)

Polyethylene glycol

(c)

Polyethylene chloride

(d)

Polyvinyl chloride

The optimal pH of culture medium is generally ___________.

(a)

Acidic

(b)

Basic

(c)

Neutral

(d)

Slightly basic

Dimethyl sulphoxide is a _________.

(a)

Solidifying agent

(b)

Cryoprotectant

(c)

Fusogenic agent

(d)

Stimulant