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Biotechnology and its Applications NEET PYQs

Class XII Biology NCERT Based NEET Practice

📘 Concept Based 📝 Exam Level 🤖 AI Explanations
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24 questions in this chapter
Question 21 of 24
🟢 NEET 2026 📘 CLASS XII
Exploring molecular, genetic and species-level diversity for products of economic importance is called:
Bioprospecting involves exploring biological diversity to identify commercially valuable genes, compounds or organisms.
Question 22 of 24
🟢 NEET 2026 📘 CLASS XII
Arrange the following steps of somatic hybridisation in the correct sequence:

(A) Digestion of cell walls
(B) Isolation of naked protoplasts
(C) Fusion of protoplasts to get hybrid protoplast
(D) Isolation of single cells from two different varieties of plants
(E) Growing of hybrid protoplast to form a new plant
Single cells are isolated first, cell walls are digested to obtain protoplasts, protoplasts are fused, and the hybrid protoplast is cultured to regenerate a new plant.
Question 23 of 24
🟢 NEET 2026 📘 CLASS XII
The toxin proteins isolated from Bacillus thuringiensis, coded by which of the following genes would control cotton bollworms and corn borer, respectively?
The cryIAc gene is effective against cotton bollworms, whereas the cryIAb gene is effective against corn borer.
Question 24 of 24
🟢 NEET 2026 📘 CLASS XII
The human protein named α-1 antitrypsin, obtained from transgenic animals, is used for the treatment of ________.
Human α-1 antitrypsin produced by transgenic animals is used to treat emphysema caused by deficiency of this protein.