Blog Log in Get Started Free

Growth and Development in Plants MCQs for NEET — Botany Questions with Answers

Practice free Growth and Development in Plants (Botany) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

All Physics Chemistry Botany Zoology

Language English हिंदी

Chapter Difficulty Show only questions I answered incorrectly Clear Register free for difficulty & keyword filters

● ● ● ● ●

Which of the following PGRs have isolated from autoclaved herring sperm DNA?

A. Cytokinins B. Gibberellins C. Auxin D. Ethylene

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

Explanation

Page number-249

15.4 Plant Growth Regulators

15.4.3 Physiological Effects of Plant Growth Regulators

15.4.3.3 Cytokinins

Plant Growth And Development

● ● ● ● ●

Which of the following occurs naturally in plants?

A. Kinetin B. NAA C. IBA D. 2,4 D

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

Explanation

Page number-249

15.4 Plant Growth Regulators

15.4.3 Physiological Effects of Plant Growth Regulators

15.4.3.3 Cytokinins

Plant Growth And Development

● ● ● ● ●

Zeatin

A. Isolated from herring sperm B. Isolated from coconut milk and corn Kernels C. Isolated from corn Kernels D. Isolated from rice seedlings

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

Explanation

Page number-249

15.4 Plant Growth Regulators

15.4.3 Physiological Effects of Plant Growth Regulators

15.4.3.3 Cytokinins

Plant Growth And Development

● ● ● ● ●

Natural Cytokinins are not found in

A. Root apices B. Developing shoot buds C. Young Fruits D. Root hair zone

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

Explanation

Page number-249

15.4 Plant Growth Regulators

15.4.3 Physiological Effects of Plant Growth Regulators

15.4.3.3 Cytokinins

Plant Growth And Development

● ● ● ● ●

Cytokinins

Helps to produce new leaves

Helps to produce chloroplasts in leaves

Lateral shoot growth, Adventitious Shoot Formation

All of these

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

Explanation

Page number-250

15.4.3.3 Cytokinins

Plant Growth and Development

● ● ● ● ●

Cytokinin

Which of the following is not correct?

A. Help to overcome apical dominance B. They promote nutrient mobilisation and helps in the delay of leaf senescence C. Lateral Shoot Growth D. Formation of Tap root

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

Explanation

Page number-250

15.4.3.3 Cytokinins

Plant Growth and Development

● ● ● ● ●

Which of the following hormones is synthesised in large amounts by tissues undergoing senescence and ripening fruits?

A. Ethylene B. ABA C. Auxins D. GA3

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

Explanation

Page number-250

15.4.3.4 Ethylene

Plant Growth and Development

● ● ● ● ●

Influences of Ethylene in plants do not include

A. Horizontal growth of seedlings B. Swelling of the axis C. Apical hook formation in dicot seedlings D. Lateral shoot growth

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

Explanation

Page number-250

15.4.3.4 Ethylene

Plant Growth and Development

● ● ● ● ●

Ethylene does not perform

A. Promotes senescence and abscission of plant organs especially of leaves and flowers B. Highly effective in fruit ripening C. Enhances the respiration rate during ripening of the fruits D. Overcome the apical dominance

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

Explanation

Page number-250

15.4.3.4 Ethylene

Plant Growth and Development

● ● ● ● ●

The rise in respiration rate of fruit is called

A. Respiratory quotient B. Respiratory climactic C. Respiratory incision D. Respiratory succulence

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

Explanation

Page number-250

15.4.3.4 Ethylene

Plant Growth and Development

Ready to ace NEET?

Free access · No credit card required

Browse All Questions Create Free Account

Frequently Asked Questions

Yes. You can attempt every Growth and Development in Plants 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.