If the diameter of the pulley is 12 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

(a)

3 inches

(b)

6 inches

(c)

12 inches

(d)

30 inches

Seed dormancy allows the plants to

(a)

overcome unfavourable climatic conditions

(b)

develop healthy seeds

(c)

reduce viability

(d)

prevent deterioration of seeds

Which hormone is maximum in coconut milk?

(a)

Gibberellins

(b)

Ethylene

(c)

Cytokinin

(d)

Auxin

Testing of any chemical substance by using living system is called __________

(a)

Grafting

(b)

Cloning

(c)

Biopsy

(d)

Bioassay

Kurosawa found plants suffering from Bakanae disease. This led to discovery of ................

(a)

GA

(b)

Cytokinin

(c)

ethylene

(d)

2,4, D

What are the parameters used to measure growth of plants?

Define Growth.

Name any two synthetic auxins?

What is bolting?

What is a florigen?

What is plasticity?

Name the plant growth regulators?

What are climacteric fruits?

List the practical applications of vernalization.

Draw a growth curve.

Write the physiological effects of Cytokinins.

Give a brief account on Programmed Cell Death (PCD)