Class 12th Biology 2016 Set3 Outside Delhi Board Paper Solution
Question 24
Name the stage in the cell cycle where DNA replication occurs.
Answer
DNA replication occurs in S-Phase of the cell cycle.
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
- Q:- Which is a better mode of reproduction sexual or asexual? Why?
- Q:- Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.
- Q:- List all the wastes that you generate, at home, school or during your Trips to other places, could you very easily reduce? Which would be Difficult or rather impossible to reduce?
- Q:- With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
- Q:- How is biodiversity important for ecosystem functioning?
- Q:- Can you suggest a method to remove oil (hydrocarbon) from seeds based on your understanding of rDNA technology and chemistry of oil?
- Q:- Explain briefly
(a) PCR
(b) Restriction enzymes and DNA
(c) Chitinase - Q:- Explain the Law of Dominance using a monohybrid cross.
- Q:-
Mention two strategies evolved to prevent self-pollination in flowers.
- Q:-
What is meant by monosporic development of female gametophyte?