Question 9
Draw a well-labelled diagram of an antibody molecule.
Answer
Popular Questions of Class 12 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 12 Biology
- Q:- Discuss the causes and effects of global warming. What measures need to be taken to control global warming?
- Q:- Give an example for:
(a) An endothermic animal
(b) An ectothermic animal
(c) An organism of benthic zone - Q:- With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
- Q:- What is the significance of the slope of regression in a species − area relationship?
- Q:- Explain why meiosis and gametogenesis are always interlinked?
- Q:- Give three hypotheses for explaining why tropics show greatest levels of species richness.
- Q:- Differentiate the following and give examples of each:
(a) Innate and acquired immunity
(b) Active and passive immunity - Q:- Discuss with your teacher what does a suitable gene means, in the context of DNA vaccines.
- Q:- Removal of gonads cannot be considered as a contraceptive option. Why?
- Q:- Do you think that reproductive health in our country has improved in the past 50 years? If yes, mention some such areas of improvement.
- NCERT Chapter