1
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

For facilitated diffusion in plant________ is essential.

A

expenditure of energy

B

concentration gradient

C

atmospheric pressure

D

root pressure

2
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

An additional apoplastic route that allows direct access to xylem in plants is along the secondary roots because they __________

A

have no casparian strips

B

have plasmodesmata

C

develop from the pericycle

D

are non-living cells

3
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Given below are two statements about sap in xylem.

Statement I - Under normal conditions the sap in the xylem cell shows negative hydrostatic pressure.

Statement II - It also shows very low osmotic pressure.

In the light of above statements, Select the correct option given below:

A

Both statement I and statement II are correct.

B

Both statement I and statement II are incorrect.

C

Statement I is correct but statement II is incorrect.

D

Statement I is incorrect but statement II is correct.

4
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

When roots are deprived of __________ they show a sudden drop in active absorption.

A

Manganese

B

Oxygen

C

Carbon dioxide

D

Iron

MHT CET (Biology) Subjects

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