GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
6. | The cohesion-tension theory of water movement helps to explain how water moves from soil into root? | ||
A. | Through the phloem | ||
B. | From leaf to root | ||
C. | Through the xylem | ||
D. | Into the guard cells | ||
7. | When guard cells swell | ||
A. | stomata close | ||
B. | stomata open | ||
C. | photosynthesis stops | ||
D. | evaporation stops | ||
8. | Water moves into roots of plants by | ||
A. | osmosis | ||
B. | active transport | ||
C. | diffusion | ||
D. | pressure flow mechanism | ||