Blog Log in Get Started Free

NEET Practice Questions (MCQs) with Answers & Solutions

Practice free NEET NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

All Physics Chemistry Botany Zoology

● ● ● ● ●

Force for passive water absorption develops in

A. Xylem B. Aerial parts C. Root D. Root hairs

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

Root pressure theory of ascent of sap is unacceptable because

A. Water can ascend without root or root pressure B. Root pressure cannot explain ascent of sap beyond 10 metres. C. Root pressure is more during early morning than afternoon. D. Root pressure does not occur in spring.

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

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

A. Hydrophilic cell walls B. Hydrogen bonds C. Oxygen bonds D. Surface tension

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

Root pressure is unable to explain the ascent of sap because it is not found in

A. Bryophytes B. All plants in all reasons C. Trees D. Spring

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

Dry seeds when placed in water swellup due to

Imbibition

Absorption

Diffusion

Adsorption

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

Osmosis defined as

A. (a) Flow of solvent (water) through a semipermiable membrane from less concentrated solution to more concentrated solution. B. Flow of solute from a semipermeable membrane C. Flow of water without a membrane D. None of the above

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

A cell increase in volume if the external medium is (Har. PMT 2005)

A. Hypotonic B. Hypertonic C. Isotonic D. None of the above

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

If a cell gets reduced in size when placed in solution, the solution is (CPMT 1988, AFMC 2009)

A. Hypertonic B. Hypotonic C. Weak D. Saturated

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

In a hypertonic solution a cellâ€™s water potential

A. Decreases B. Increases C. First increases then decreases D. No change

You've reached today's free limit of 20 questions. Log in to keep practising for free.

● ● ● ● ●

When beet root cylinders are washed and then placed in cold water, anthocyanin does not come out. This indicates that most likely the plasma membrane is (AFMC 1990)

Permeable to enthocyanin

Impermeable to anthocyanin

Differentiallypermeable to anthocyanin

Dead structure

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Ready to ace NEET?

Free access · No credit card required

Browse All Questions Create Free Account

Frequently Asked Questions

Yes. You can attempt every NEET question on this page for free without logging in, and check the correct answer with a detailed explanation instantly.

No account is required to attempt questions and view answers. A free account adds bookmarks, personal notes, and progress tracking.

The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.