List of practice Questions

Which of these following methods is the most suitable for disposal of nuclear waste?

Extrusion of second polar body from egg nucleus occurs:

Purines found both in DNA and RNA are:

Which of the following statements is not correct?

Match the following organisms with their respective characteristics:

List I		List II
A	Pila	I	Flame Cells
B	Bombyx	II	Comb Plates
C	Pleurobrachia	III	Radula
D	Taenia	IV	Malpighian tubules

Select the correct option from the following:

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:

Which of the following glucose transporters is insulin-dependent?

What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?

Match the following genes of the Lac operon with their respective products:

LIST I		LIST II
A	i gene	i	B-galactosidase
B	z gene	ii	Permease
C	a gene	iii	Repressor
D	y gene	iv	Transacetylase

Select the correct option from the following:

Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:

Which of the following pairs of gases is mainly responsible for green house effect?

Under which of the following conditions will there be no change in the reading frame of following mRNA? 5' AACAGCGGUGCUAUU 3'

Consider the following statements:
(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. 
(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. 
Select the correct option.

Variations caused by mutation, as proposed by Hugo de Vries, are:

Drug called 'Heroin' is synthesized by: (1) methylation of morphine (2) acetylation of morphine (3) glycosylation of morphine (4) nitration of morphine

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.

Which part of the brain is responsible for thermoregulation? (1) Cerebrum (2) Hypothalamus (3) Corpus callosum (4) Medulla oblongata

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to:

Which of the following factors is responsible for the formation of concentrated urine?

Match the following structures with their respective location in organs.

LIST I		LIST II
A	Crypts of Lieberkühn	i	Pancreas
B	Glisson's Capsule	ii	Duodenum
C	Islets of Langerhans	iii	Small intestine
D	Brunner's Glands	iv	Liver

Select the correct option from the following:

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:

Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus:

Which of the following contraceptive methods do involve a role of hormone?

Which of the following statements is correct?

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid