List of top Biology Questions

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:

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

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

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.

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

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

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

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

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

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

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

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:

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 is a commercial blood cholesterol lowering agent?

Which of the following sexually transmitted diseases is not completely curable?

Persistent nucellus in the seed is known as:

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

Which of the following statements is correct?

In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as:

Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement. (1) (2)(3) (4)

The shorter and longer arms of a submetacentric chromosome are referred to as:

Match Column-I with Column - II.  

LIST I		LIST II
A	Saprophyte	i	Symbiotic association of fungi with plant roots
B	Parasite	ii	Decomposition of dead organic materials
C	Lichens	iii	Living on living plants or animals
D	Mycorrhiza	iv	Symbiotic association of algae and fungi

Choose the correct answer from the options given below: