Question

Leaves of many grasses are capable of folding and unfolding because they

A. are very thin

B. are isobilateral

C. have specialised bulliform cells

D. have parallel vascular bundles

Answer : have specialised bulliform cells

Releted MCQ Question on
Botany >> Plant Growth and Development

Releted Question 1

Typical growth curve in plants is :

A. Linear

B. Stair-steps shaped

C. Parabolic

D. Sigmoid

Releted Question 2

Coiling of garden pea tendrils around any support is an example of:

A. thigmotaxis

B. thigmonasty

C. thigmotropism

D. thermotaxis

Releted Question 3

Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in

A. vessels and tracheid differentiation

B. leaf abscission

C. annual plants

D. floral parts

Releted Question 4

Opening of floral buds into flowers, is a type of

A. autonomic movement of variation

B. paratonic movement of growth

C. autonomic movement of growth

D. autonomic movement of locomotion

Practice More Releted MCQ Question on
Plant Growth and Development

Practice More MCQ Question on Biology Section

Zoology Animal Kingdom Structural Organisation in Animals Biomolecules Digestion and Absorption Breathing and Exchange of Gases Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration Human Reproduction Reproductive Health Evolution Human Health and Diseases Biotechnology: Principles and Processes Biotechnology and its Applications Zoology Miscellaneous