List of practice Questions

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

Which of the following is a commercial blood cholesterol lowering agent?

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

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

Persistent nucellus in the seed is known as:

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

Which of the following statements regarding mitochondria is incorrect?

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:

Which of the following is the most important cause for animals and plants being driven to extinction?

The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:

Which one of the following is not a method of in situ conservation of biodiversity?

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