List of top Biology Questions asked in JIPMER MBBS

The chromosome in which centromere is situated close to one end are

Sliding filament theory can be best explained as

Match the following columns

Column-I		Column-II
A	Opuntia	1	Stem thorns
B	Asparagus	2	Phylloclades
C	Citrus	3	Cladodes

Select the correct combination of statements regarding Myasthenia gravis
(I) It is an auto immune disorder. 
(II) It causes insufficient acetylecholine binding that effects muscular contraction. 
(III) Antibodies are developed against acetylcholine.
 (IV) Antibodies are developed against acetylcholine receptors. 
(V) It causes drooping of eyelids.

All monerons

The method of directly injecting a sperm into ovum in assisted reproductive technology is called

Study the following statements and select the option with correct statements.
(I) Pulvinus leaf base is present in some leguminous plants.
(II) In Eichhornia the petioles expand, becomes green and synthesise food. 
(III) Opposite phyllotaxy is seen in guava.

Which one of the following combinations is incorrect?

Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of

'Organ of Jacobson' helps in

Match the following columns.

Column-I		Column-II
A	Pinocytosis	1	Euglena gracilis
B	Holozoic	2	Paramecium
C	Parasitic	3	Amoeba proteus
D	Mixotrophic	4	Monocystis

Phellogen and phellem respectively denote

Monoclonal antibodies and polyclonal antibodies are produced by

Which one correctly describe reproduction and life cycle of fern?

The ornithine cycle removes two waste products from the blood in liver. These products are

Which of the following statement is correct in relation to the endocrine system?

Following are the two statements regarding the origin of life.
(I) The earliest organisms that appeared on the earth were non-green and presumably anaerobes. 
(II) The first autotrophic organisms were the chemoautotrophs that never released oxygen of the above statements which one of the following options is correct?

In the lac operon model, lactose molecules function as

Macromolecule chitin is

Which one of the following generally acts as an antagonist to gibberellins?

The first stable product of fixation of atmospheric nitrogen in leguminous plant is

Which one of the following pairs is not correctly matched?

Humoral immunity is mediated by

If two persons with 'AB' blood group marry and have sufficiently large number of children, these children could be classified as 'A' blood group. 'AB blood group 'B' blood group in 12:1 ratio. Modern technique of protein electrophoresis reveals presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of

Variation in gene frequencies within population can occur by chance rather than by natural selection. This is reffered to as