Class-11,Transport In Plants

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Q1) Transport of water and mineral in plants take place through *

1 point

Xylem tissues

Parenchyma

Collenchymas tissues

Phloem tissues

Q2) Some carrier proteins allow diffusion by both molecules cross the membrane in the same direction is *

1 point

Antiport

Symport

Uniport

Aquaporins

Q3) The movement of diffusion is *

1 point

active

Passive

facilitated

none of the above

Q4) Diffusion rate is affected by *

1 point

Pressure and soil

Gradient concentration and pressure

Water and pressure

Soil and water

Q5) Proteins that form huge pores in the membrane of the certain organelles and bacteria are called as *

1 point

Enzymes

Pressure gradient

Porins

Flaccid

Q6) The component that is essential to perform all physiological activities of the plant is *

1 point

Pressure

Temperature

All of the above

Water

Q7) Select the correct equation from the following *

1 point

DPD = OP + WP

DPD = OP – WP

DPD = WP – OP

DPD = WP + OP

Q8) A and B are contiguous cells. A has OP=10 atm and TP= 7atm, B has OP=8atm, TP=3 atm, DPD= 5 atm. The result would be *

1 point

Movement of water from A to B

No movement of water

Equilibrium between the two

Movement of water from B to A

Q9) Which one will reduce the rate of transpiration? *

1 point

Increase in wind velocity

Increase in water uptake

Decrease in light intensity

Rise in temperature

Q10) The net direction and rate of osmosis depends on *

1 point

Only concentration gradient

Pressure gradient and Concentration gradient

Only pressure gradient

None of the above

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