Class 12th Biology 2015 Set1 Delhi Board Paper Solution
Question 2
Name the transcriptionally active region of chromatin in a nucleus.
Answer
Euchromatin is the transcriptionally active region of chromatin in a nucleus.
Popular Questions of Class 12th biology
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(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals. - Q:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
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- Q:- What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.
- Q:- With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
- Q:- Explain the Law of Dominance using a monohybrid cross.
Recently Viewed Questions of Class 12th biology
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- Q:-
What is meant by monosporic development of female gametophyte?
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(a) Origin of replication
(b) Bioreactors
(c) Downstream processing - Q:- Name important defence mechanisms in plants against herbivory.