Class 12th Biology 2012 Set3 Delhi Board Paper Solution
Question 4
Write the names of two semi-dwarf and high yiuelding rice varieties developed in India after 1966.
Answer
Jaya/Ratna.
Popular Questions of Class 12th biology
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(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:- 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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Why is the Human Genome project called a mega project?
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- Q:- In our society the women are often blamed for giving birth to daughters.
Can you explain why this is not correct? - Q:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
- Q:- Two heterozygous parents are crossed. If the two loci are linked what would be the distribution of phenotypic features in F1 generation for a dihybrid cross?
- Q:- Write a short note on
(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:- What is pedigree analysis? Suggest how such an analysis, can be useful.
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