AIPMT 2003

The apical meristem of the root is present

In which one of the following nitrogen is not a
constituent ?

The aleurone layer in maize grain is specially
rich in :-

Diffuse porous wood is characteristics of those
plants which are growing in : -

The cells of the quiescent centre are characterised
by : -

Chlorenchyma is known to develop in the : -

Bartholin's glands are situated

The chief advantage of encystment of an Amoeba is

Sycon belongs to a group of animals, which are best described as

Systemic heart refers to

Ommatidia serve the purpose of photoreception in

Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively

Given below are four matchings of an animal and its kind of respiratory organ :
(A)  Silver fish      \(-\)      Trachea
(B)  Scorpion      \(-\)      Book lung
(C)  Sea squirt      \(-\)      Pharyngeal slits
(D)  Dolphin      \(-\)      ...

Which group of vertebrates comprises the
highest number of endangered species ?

Which endangered animal is the source of the
world's finest, lightest, warmest and most
expensive wool - the shahtoosh ?

Chromosomes in a bactertial cell can be 1 \(-\) 3 in number and

Phenetic classification of organisms is based on

Which one of the following statements about viruses is correct?

In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five-kingdom system of classification is used?

Viruses are no more ''alive'' than isolated chromosomes because

Tobacco mosaic virus is a tubular filament of size

The major role of minor elements inside living organisms is to act as

ELISA is used to detect viruses, wherethe key reagent is :-

Which one of the following bacteria has found
extensive use in genetic engineering work in
plants ?

In recent years, DNA sequences (nucleotide
sequence) of mt-DNA and Y chromosomes were
considered for the study of human evolution,
because : -

Bundle of His is a network of

In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be

The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of

Cellular totipotency is demonstrated by :-

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

During prolonged fastings, in what sequence are the following organic compounds used up by the body?

Which one of the following pairs is not correctly matched?

Which of the following plants are used as green
manure in crop fields and in sandy soils ?

Fluoride pollutions mainly affects : -

Escherichia coli is used as an indicator
organism to determine pollution of water with ;-

Random genetic drift in a population probably
results from

Darwin in his 'Natural Selection Theory' did not
believe in any role of which one of the following
in organic evolution ?

In a random mating population in equilibrium,
which of the following brings about a change in
gene frequency in a non-directional manner : -

Industrial melanism is an example of : -

Which one of the following is categorised under
living fossils ?

Which one of the following sequences was
proposed by Darwin and Wallace for organic
evolution ?

Which one of the following describes correctly
the homologous structures ?

Convergent evolution is illustrated by : -

If Henle's loop were absent from mammalian nephron, which one of the following is to be expected?

Short-lived immunity acquired from mother to
foetus across placenta or through mother's milk
to the infant is categorised as :-

Carcinoma refers to : -

Christmas disease is another name for : -

During embryonic development, the establishment
of polarity along anterior/posterior, dorsal/ventral
or medial/lateral axis is called : -

Maximum application of animal cell culture
technology today is in the production of : -