Micro propagation involves _____.

(a)

vegetative multiplication of plants by using micro-organisms.

(b)

vegetative multiplication of plants by using small explants.

(c)

vegetative multiplication of plants by using microspores.

(d)

Non-vegetative multiplication of plants by using microspores and megaspores.

Select the incorrect statement from given statement.

(a)

A tonic used for cardiac arrest is obtained from Digitalis purpuria

(b)

Medicine used to treat Rheumatic pain is extracted from Capsicum annum

(c)

An anti malarial drug is isolated from Cinchona officinalis.

(d)

Anti-cancinogenic property is not seen in Catharanthus roseus.

Solidifying agent used in plant tissue culture is _____.

(a)

Nicotinic acid

(b)

Cobaltous chloride

(c)

EDTA

(d)

Agar

The production of secondary metabolites require the use of _________.

(a)

Protoplast culture

(b)

Organ culture

(c)

Cell suspension culture

(d)

Virus free germ culture

Identify the correct sequence regarding steps involved in PTC

(a)

Sterilization ➝ Incubation ➝ Inoculation  ➝  Embryogenesis ➝ Hardening

(b)

Inoculation ➝ Induction ➝ Sterilization ➝ Hardening ➝ Embryogenesis

(c)

Induction ➝ Incubation ➝ Inoculation ➝ Hardening ➝ Sterilization

(d)

Sterilization ➝ Inoculation ➝ Incubation ➝ Embryogenesis ➝ Hardening

Assertion (A) : Protoplasts are cells devoid of cell wall.
Reason (R) : Secondary metabolites are synthesized by protoplasmic fusion.

(a)

Both A and R are correct but R is not a correct explanation to A

(b)

R explains A

(c)

A is correct R is incorrect

(d)

Both A and R are incorrect

Identify the wrong statement:

(a)

Artificial seeds are stored for long time under cryopreservation

(b)

Somatic embryos are used for artificial seed production

(c)

Period of dormancy of artificial seeds is greatly reduced

(d)

Encapsulation of embryoids is done using cryoprotectant

Identify the incorrect statement:
(a) Explants are surface sterilized
(b) Nutrient media are autoclaved
(c) Culture rooms are UV radiated for 15 minutes
(d) Glasswares and accessories are autoclaved

(a)

a only

(b)

b and c

(c)

d only

(d)

none of the above

The term used to define the ability of a cell to generate entire individual is

(a)

Pleuripotent

(b)

Totipotent

(c)

Multipotent

(d)

Unipotent

Somatic hybridization is achieved through _________

(a)

Protoplast fusion

(b)

r-DNA technology

(c)

Transformation

(d)

Grafting