Blog Log in Get Started Free

Biotechnology and its Applications MCQs for NEET — Zoology Questions with Answers

Practice free Biotechnology and its Applications (Zoology) 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

● ● ● ● ●

Basmati rice is distinct because of it's

A. Unique Aroma B. Unique flavor C. Unique size D. Both A and B

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

Explanation

NCERT Page number 214

Para-2

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

Which of the following is not correct about Rice in India?

A. The diversity of rice in India is one of the richest in the world B. 27 documented varieties of Basmati C. 200000 varieties of rice in India alone D. The presence of Rice goes back millions of years in Asia's Agriculture history.

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

Explanation

NCERT Page number 214

Para-2

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

The new variety of rice by American company is actually made by

A. Crossing semi dwarf variety with Indian Basmati rice B. Crossing dwarf variety with American rice C. Crossing dwarf variety with Indian Basmati D. Crossing semi dwarf variety with American rice

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

Explanation

NCERT Page number 214

Para-2

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

Biopiracy is

A. The term used to refer to the use of bio-resources by multinational companies and other organisations without proper authorization from the countries and people concerned without compensatory payment. B. The term used to refer to the use of bio-resources by any person with proper authorization from the countries and people concerned without compensatory payment. C. The term used to refer to the use of bio- pesticides by multinational companies and other organisations with proper authorization from the countries and people concerned without compensatory payment. D. The term used to refer to the use of bio-resources by multinational companies and other organisations with proper authorization from the countries and people concerned without compensatory payment.

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

Explanation

NCERT Page number 214

Para-3

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

Biodiversity is not

A. More in developing countries B. Poor in industrialised nations C. More in underdeveloped countries D. More in developed country

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

Explanation

NCERT Page number 214

Para-4

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

Traditional knowledge related to bio-resources can be exploited to develop modern applications and can be used to save

A. Time B. Effort C. Expenditure D. All of these

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

Explanation

NCERT Page number 214

Para-4

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

The Indian Parliament recently cleared ……... amendment of the Indian patent bills.

A. Second B. Third C. First D. Fourth

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

Explanation

NCERT Page number 214

Para-5

12.4 Ethical Issues

Biotechnology and it's application

● ● ● ● ●

Which of the following insect groups is NOT typically targeted by Bt toxin produced from Bacillus thuringiensis?

A. Lepidopterans (e.g., tobacco budworm) B. Coleopterans (e.g., beetles) C. Dipterans (e.g., flies, mosquitoes) D. Hymenopterans (e.g., bees, ants)

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

Explanation

The context states, 'Some strains of Bacillus thuringiensis produce proteins that kill certain insects such as lepidopterans (tobacco budworm, armyworm), coleopterans (beetles) and dipterans (flies, mosquitoes).' Hymenopterans are not mentioned as a target group.

● ● ● ● ●

The Bt toxin protein exists as an inactive protoxin within Bacillus thuringiensis. What condition in the insect gut is responsible for its activation?

A. High acidity (low pH) B. Alkaline pH C. Presence of specific enzymes from the insect's salivary glands D. Anaerobic conditions

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

Explanation

According to the text, 'the Bt toxin protein exist as inactive protoxins but once an insect ingest the inactive toxin, it is converted into an active form of toxin due to the alkaline pH of the gut which solubilise the crystals.'

● ● ● ● ●

What is the primary mechanism by which activated Bt toxin kills the insect?

A. It disrupts the insect's nervous system, leading to paralysis. B. It forms pores in the midgut epithelial cells, causing cell swelling and lysis. C. It inhibits the synthesis of essential insect hormones. D. It acts as a powerful neurotoxin, blocking neurotransmission.

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

Explanation

The context clearly states, 'The activated toxin binds to the surface of midgut epithelial cells and create pores that cause cell swelling and lysis and eventually cause death of the insect.'

Ready to ace NEET?

Free access · No credit card required

Browse All Questions Create Free Account

Frequently Asked Questions

Yes. You can attempt every Biotechnology and its Applications 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.