List of top Biology Questions

Match the animals listed in Column I with their of nature of blood listed in Column II. Choose the answer which gives the correct combination of alphabets of the two columns

Infectious proteins are present in

In human female the blastocyst

The terminal velocity of a rain drop of radius $r$ is $ 2\,cm\,s^{-1}$ . If eight such identical drops combine to form a single large drop, the terminal velocity would be

Chordae tendineae are found in

One molecule of $NADH_2$ is equivalent to how many $ATP$ molecules?

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components: (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic reticulum (v) Rough endoplasmic reticulum (vi) Mitochondrial matrix (vii) Cell vacuole (viii) Nucleus The correct components are:

	A	B	C	D
(1)	(v)	(iv)	(viii)	(iii)
(2)	(i)	(iv)	(viii)	(vi)
(3)	(vi)	(v)	(iv)	(vii)
(4)	(v)	(i)	(iii)	(ii)

Select the correct statement from the following

A bilaterally symmetrical deuterostorne is classified in the phylum

Deposition of cholesterol in walls of arteries is

Which one of following is used as vector for cloning genes into higher organisms ?

Which one of the following pairs is an example for lateral meristem?

The diagram of Labeo rohita is given below. Identify the parts labelled A, B, C, D, E, F, G.

All pathogens are parasites but all parasites are not pathogens. Majority of the parasites confer benefits to the host.

'Water-vascular' system is found in

The disease caused by Trypanosoma gambiense is

Widal test is used for the diagnosis of

The wall of internal organs such as blood vessels, stomach and intestine contain this type of muscle tissue

Immunoglobulins are proteins that show...... structure.

Red cell count is carried out by

Typhoid fever is caused by a species of

Grey biotechnology is referred to

Which are of the following has epiphytic features and aerial and flattened photosynthetic roots, without formal organisation of stem and leaves?