Select the wrong statement from the following:

(a)

Formative phase of the cells retain the capability of cell division.

(b)

In elongation phase development of central vacuole takes place.

(c)

In maturation phase thickening and differentiation takes place.

(d)

In maturation phase, the cells grow further.

If the diameter of the pulley is 6 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

________ is the powerful growth inhibitor

(a)

Ethanol

(b)

Cytokinins

(c)

ABA

(d)

Auxin

Select the correctly matched one

A) Human urine	i) Auxin –B
B) Corn gram oil	ii) GA3
C) Fungus	iii) Abscisic acid II
D) Herring fish sperm	iv) Kinitin
E) Unripe maize grains	v) Auxin A
F) Young cotton bolls	vi) Zeatin

(a)

A	B	C	D	E	F
iii	iv	v	vi	i	ii

(b)

A	B	C	D	E	F
v	i	ii	iv	vi	iii

(c)

A	B	C	D	E	F
iii	v	vi	i	ii	iv

(d)

A	B	C	D	E	F
ii	iii	v	vi	iv	i

Seed dormancy allows the plants to

(a)

overcome unfavourable climatic conditions

(b)

develop healthy seeds

(c)

reduce viability

(d)

prevent deterioration of seeds

What are the parameters used to measure growth of plants?

What is plasticity?

Write the physiological effects of Cytokinins.

Give a brief account on Programmed Cell Death (PCD)