Home
Class 12
BIOLOGY
If cohesion-tension transpiration pull t...

If cohesion-tension transpiration pull theory is correct, a break in water column should
(a) Increase water content of leaves
(b) Increase rate of photosynthesis
(c) Cause wilting of leaves
(d) Have no effect at all

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If cohesion tension transpiration theory is correct then a break in water column in xylem vessels

Rate of water absorption can be increased through (a) Decreased transpiration (b) Decreased ion absorption (c) Increased photosynthesis (d) Increased transpiration

When day light hours are increased, the rate of photosynthesis (a) Increases (b) Decreases (c) Remains unchanged (d) None of the above

Transpiration cohesion theory explains that the upwards pull of water is transmitted from top to bottom by cohesion of molecules caused by

Wooden block is floating on water having a temperature of 0^@C and its V volume Is outside of the water. If the temperature of water is increased from 0^@C to 20^@C what will be the effect on the volume V?

Xylem channels of the rootlets maintain a low water potential due to (a) Maintenance of high salt content (b) Presence of negative pressure or water tension (c) Both a and b (d) Occurrence of positive pressure

Which statement about photosynthesis are correct (a) First CO_(2) acceptor in C_(4) cycle is PGA (b) In C_(3) plants, first stable product of photosynthesis is RuBP (c) Cyclic photophosphorylation results in formation of ATP (d) Oxygen liberated during photosynthesis comes from water

The principle by which blotting paper absorbs water is (a) Capillary action (b) Transpiration pull (c) Root pressure (d) Absorptive capacity

In which type, the stomata are present exclusively on the upper surface of the leaves (a) Potato type (b) Potamogeton type (c) Barely type (d) Water Lily type

Read the following statements and choose the correct option (i) Glomerular filtration rate in a healthy individual is about 180 ml/day (ii) All constituents of plasma pass into lumen of Bowman's capsule (iii) 70 - 80% of electrolystes and water are absorbed in PCT (iv) Angiotensin II increases the glomerular blood pressure and GFR (v) Counter current system contribute in concentrating the filtrate