Analogous structures are a result of :-
(1) Divergent evolution
(2) Convergent evolution
(3) Shared ancestry
(4) Stabilizing selection

Which of the following is a restriction endonuclease?
(1) Hind II
(2) Protease
(3) DNase I
(4) RNase

The term ecosystem was coined by :-
(1) E.P. Odum
(2) A.G. Tansley
(3) E. Haeckel
(4) E. Warming

Which one of the following statements is wrong ?
(1) Sucrose is a disaccharide.
(2) Cellulose is a polysaccharide.
(3) Uracil is a pyrimidine.
(4) Glycine is a sulphur containing amino acid.

In bryophytes and pteridophytes, transport of male
gametes requires :-
(1) Wind
(2) Insects
(3) Birds
(4) Water

When does the growth rate of a population following
the logistic model equal zero ?
The logistic model is given as dN/dt = rN(1-N/K) :-
(1) when N/K is exactly one.
(2) when N nears the carrying capacity of the
habitat.
(3) when N/K equals zero.
(4) when death rate is greater than birth rate.

Which one of the following statements is not true?
(1) Tapetum helps in the dehiscence of anther
(2) Exine of pollen grains is made up of
sporopollenin
(3) Pollen grains of many species cause severe
allergies
(4) Stored pollen in liquid nitrogen can be used in
the crop breeding programmes

Which of the following would appear as the pioneer
organisms on bare rocks?
(1) Lichens
(2) Liverworts
(3) Mosses
(4) Green algae

Which one of the following is the starter codon ?
(1) AUG
(2) UGA
(3) UAA
(4) UAG

Which one of the following characteristics is not
shared by birds and mammals ?
(1) Ossified endoskeleton
(2) Breathing using lungs
(3) Viviparity
(4) Warm blooded nature

Nomenclature is governed by certain universal
rules. Which one of the following is contrary to the
rules of nomenclature?
(1) Biological names can be written in any language
(2) The first word in a biological name represents
the genus name, and the second is a specific
epithet
(3) The names are written in Latin and are italicised
(4) When written by hand, the names are to be
underlined

Blood pressure in the pulmonary artery is :-
(1) same as that in the aorta.
(2) more than that in the carotid.
(3) more than that in the pulmonary vein.
(4) less than that in the venae cavae.

Cotyledon of maize grain is called :-
(1) plumule
(2) coleorhiza
(3) coleoptile
(4) scutellum

In the stomach, gastric acid is secreted by the :-
(1) gastrin secreting cells
(2) parietal cells
(3) peptic cells
(4) acidic cells

Depletion of which gas in the atmosphere can lead
to an increased incidence of skin cancers :-
(1) Nitrous oxide
(2) Ozone
(3) Ammonia
(4) Methane