Class 12th Biology 2017 Set3 Outside Delhi Board Paper Solution
Question 4
Name the type of cross that would help to find the genotype of a pea plant bearing violet flowers.
Answer
The genotype of a pea plant bearing violet flowers is test cross.
Popular Questions of Class 12th biology
- Q:- What is spermatogenesis? Briefly describe the process of spermatogenesis.
- Q:- Why is reproduction essential for organisms? Answer
- 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:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
- Q:- What is DNA fingerprinting? Mention its application.
- Q:- What is oogenesis? Give a brief account of oogenesis.
- Q:- Describe the structure of a seminiferous tubule.
- 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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(a) Juvenile phase
(b) Reproductive phase
(c) Senescent phase. - Q:- Find out through internet and popular science articles whether animals other than man have self-consciousness.
- Q:- Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors have over shake flasks?
- Q:- Describe the post-fertilization changes in a flower.
- Q:- Mention the advantages of selecting pea plant for experiment by Mendel.
- Q:- If the sequence of the coding strand in a transcription unit is written as follows:
5-ATGCATGCATGCATGCATGCATGCATGC-3
Write down the sequence of mRNA. - Q:- Distinguish between the following:
(a) Hibernation and Aestivation
(b) Ectotherms and Endotherms - Q:- Offspring formed due to sexual reproduction have better chances of survival. Why? Is this statement always true?