STD 12 - 8. microbes in human welfare — NEET STD 11 Science — Question

According to one of the theories of ageing, the decline and disappearance of which gland by late middle age is the primary cause of ageing

In gobar gas, the maximum amount is that of

Match List-l with List-II:

List-1	List-ll
A. Tertiary consumer	i. Grass
B. Secondary consumer	ii. Lion
C. Primary consumer	iii. Wolf
D. Primary producer	iv. Goat

Choose the correct answer form the options given below:

The most likely reason for the development of resistance against pesticides in insects damaging a crop is

Given below are two statements
Statement I:
In Sphagnum male and female gametophyte are independent free living existence.
Statement II:
In Pinus male and female gametophyte are not independent free living existence.
Choose the correct answer from the option given below:

Blocking of artereis is due to deposition of fats and calcium is called

Which of the following animal is not excrete nitrogen as urea

The convergent evolution of two species is usually associated with

Which of the following vessel in rabbit starts with capillaries and ends in capillaries