Class 12th Biology 2015 Set1 Delhi Board Paper Solution
Question 1
A geneticist interested in studying variations and patterns of inheritance in living beings prefers to choose organisms for experiments with shorter life cycle. Provide a reason.
Answer
A geneticist interested in studying variations and patterns of inheritance in living beings prefers to choose organisms with short life cycles for experiments because it enables the geneticist to study many generations of those organisms in their short lifespans.
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(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
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(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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5-ATGCATGCATGCATGCATGCATGCATGC-3
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