AIPMT 2006

One gene-one enzyme hypothesis was
postulated by -

Antiparallel strands of a DNA molecule means
that-

Amino acid sequence, in protein synthesis is
decided by the sequence of -

Which antibiotic inhibits interaction between
tRNA and mRNA during bacterial protein
synthesis ?

One turn of the helix in a B-form DNA is
approximately -

Long filamentous threads protruding at the end of a young cob of maize are

Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic features of

In which of the following fruits, the edible part is the aril ?

Pineapple (ananas) fruit develops from

Bowman's glands are found in

Which one of the following does not act as a neurotransmitter?

The formula for exponential population growth is-

Niche overlap indicates-

During photorespiration, the oxygen consuming reaction(s) occur in

In photosystem I, the first electron acceptor is

An enzyme that can stimulate germination of barley seeds is

Treatment of seeds at low temperature under moist conditions to break its dormancy is called

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

How does pruning help in making the hedge dense?

Conifers differ from grasses in the

Peat moss is used as a packing material for sending flowers and live plants to distant places because

In a moss, the sporophyte

Phenotype of an organism is the result of-

Which one of the following is an example of
polygenic inheritance ?

If a colour blind woman marries a normal visioned
man, their sons will be

Both sickle cell anemia and Huntington's chorea
are-

Cri-du-chat syndrome in humans is caused by
the-

Sickle cell anaemia has not been eliminated from
the African population because-

In Mendel's experiments with garden pea, round
seed shape (RR) was dominant over wrinkled
seeds (rr), yellow cotyledon (YY) was dominant
over green cotyledon (yy). What are the
expected phenotypes in the F2 generation of the
cross RRYY × rr...

How many different kinds of gametes will be
produced by a plant having the genotype
AABbCC ?

Test cross involves-

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of ...

In a cereal grain the single cotyledon of embryo is represented by

The arrangement of the nuclei in a normal embryo sac in the dicot plants is

Parthenocarpic tomato fruits can be produced by

Crop plants grown in monoculture are-

Triticale, the first man-made cereal crop, has
been obtained by crossing wheat with

In Maize, hybrid vigour is exploited by-

In order to obtain virus-free plants through tissue
culture the best method is-

Earthworms are -

Areolar connective tissue joins-

Mast cells secrete-

The translocation of organic solutes in sieve tube members is supported by