CBSE Guess > Papers > Question Papers > Class XII > 2004 > Biology > Compartment Outside Delhi Set-II

BIOLOGY (Set II— Compartment Outside Delhi)

Except for the following questions, all the remaining questions have been asked in Set I.

SECTION - A

Q. 5. What brings about pollination in plants like silk-cotton tree and bottle- brush? 1

SECTION - B

Q. 8. Differentiate between rheumatoid arthritis and osteoarthritis. 2

Q. 10. At a rural health centre a nursing mother is given an immunization schedule for DPT-Hib to be given to the baby. What are the diseases the child will be protected against? 2

Or

Which kind of immunity, active or passive, is provided by vaccination? Name the disease against which protection is provided by BCG vaccine.

Q. 11. Explain the hormonal basis of:
(i) diabetes mellitus and
(ii) diabetes insipidui. 2

Q. 13. List and describe any two purposes for which the genetically altered plants are used. 2

SECTION - C

Q. 18. Name the causative agent, list two symptoms and describe the mode of transmission of the disease anthrax. 3

Q. 19. What term do you use for science of ageing? Mention two salient features of immunological theory of ageing. 3

Q. 25. Write the full form of ECG. What do the different waves of a normal ECG of a human indicate? 3

SECTION - D

Q. 26. Answer the following with reference to mammalian heart: 5
(i) What are SA and AV nodes? What are their functions
(ii) Name the two heart sounds. How are they produced?

BIOLOGY 2004 Question Papers Class XII
Delhi		Outside Delhi		Compartment Delhi		Compartment Outside Delhi
	Set I		Set I		Set I		Set I
	Set II		Set II		Set II		Set II
	Set III		Set III