Class 12th Biology 2011 Set1 Delhi Board Paper Solution
Question 16
Identify A, D, E and F in the diagram of an antibody molecule given below:
Identify A, D, E and F in the diagram of an antibody molecule given below:
Answer
Given structure is of antibody a type of immunoglobulin.
Labeling
a.Epitope region – binding of antibody with antigen
b.Variable light chain
c.Constant light chain
d.Light chain
e.Constant part of heavy chain (Fc)
f. Disulfide bond
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:- How many eggs are released by a human ovary in a month?
How many eggs do you think would have been released if the mother gave birth to identical twins?
Would your answer change if the twins born were fraternal? - Q:- What are the various public health measures, which you would suggest as safeguard against infectious diseases?
- Q:- What is parturition? Which hormones are involved in induction of parturition?
- Q:- Select the statement which explains best parasitism.
(a) One organism is benefited.
(b) Both the organisms are benefited.
(c) One organism is benefited, other is not affected.
(d) One organism is benefited, other is affected. - Q:- How is sex determined in human beings?
- Q:- What is the percentage of photosynthetically active radiation (PAR), in the incident solar radiation.
(a) 100%
(b) 50 %
(c) 1-5%
(d) 2-10% - 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:-
What is meant by monosporic development of female gametophyte?
- Q:- Draw a well-labelled diagram of an antibody molecule.
- Q:- Draw a labeled diagram of male reproductive system.