Correct Answer:- Option-C
Question77:-The most commonly used tissue explants in plant tissue culture are the
A:-Seeds
B:-Meristematic ends of plants
C:-Stem cuttings
D:-Leaves
Correct Answer:- Option-B
Question78:-An un-organised mass of proliferative cells produced in plant tissue culture is referred 85
A:-Cell culture
B:-Plant tissue culture
C:-Undifferentiated cells
D:-Callus
Correct Answer:- Option-D
Question79:-Which are the vitamins found in coconut water?
A:-vitamin 'C' and vitamin 'B'
-vitamin 'C' and vitamin ‘A'
C:-vitamin 'C' and vitamin 6
D:-vitamin 'B' and vitamin १९"
Correct Answer:- Option-A
Question80:-Biocontrol agents found effective against rhinocerous beetle are
A:-Baculovirus and green muscardine fungus
B:-Coccinellids and red muscardine fungus
C:-Coleopteran predators and coccinellids
D:-None of the above
Correct Answer:- Option-A
Question81:-The father of rubber plantation industry in the fareast
A:-Hendry Wickham
B:-Joseph Priestly
C:-J.J. Murphy
D:-Joseph Hooker
Correct Answer:- Option-A
Question82:-The position of India in natural rubber production in the world is
A:-second
B:-fourth
ifth
D:-third
Correct Answer:- Option-C
Question83:-In productivity of natural rubber India's position in the world is
A:-first position
B:-second position
:-third position
D:-fourth position
Correct Answer:- Option-A
Question84:-Concentrated latex has an ammonia content of 0.7% on
A:-total phase
B:-water phase
C:-latex phase
D:-none of the above
Correct Answer:- Option-A
Question85:-The major components in the NRC of natural rubber latex are
A:-Proteins
-Resins

C:-Carbohydrates
D:-Alll of (1), (2) and (3)
Correct Answer:- Option-D
Question86:-In normal latex precoagulation occurs
A:-4-6 hrs