MCQ Questions Class 11 Biology Transport in Plants with Answers

Which of the following is true about diffusion?

Choose the correct statement/statements. Pumps in active transport are

A. Lipids that bind molecules to pass them through the membrane.

B. Transport molecules uphill.

C. These are specific transporters.

D. These are sensitive to inhibitors.

Which of the following is the unit of ψ?

Cells shrink in _________ solution.

Ψ_s is always

Which of the following is decreased during increase in humidity in the atmosphere?

Dry seeds kept in water swell due to

Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be:

Diffusion rate is affected by

Two types of molecules cross the membrane in the same direction, it is called as