01. Embryological support for evolution was
disapproved by
A) Karl Ernst von Baer
B) Alfred Wallace
C) Charles Darwin
D) Oparin
02. The
process responsible for facilitating loss of water in liquid form from the tip
of grass blades at night and in early morning is
A) Transpiration
B) Root pressure
C) Imbibition
D) Plasmolysis
03. Secondary
metabolites such as nicotine, strychnine and caffeine are produced by plants
for their
A) Nutritive value
B) Growth response
C) Defence action
D) Effect on reproduction
04. The
oxygenation activity of RuBisCo enzyme in photorespiration leads to the
formation of
A) 2 molecules of 3-C compound
B) 1 molecule of 3-C compound
C) 1 molecule of 6-C compound
D) 1 molecule of 4-C compound and 1 molecule
of 2-C compound
05. Bt
cotton variety that was developed by the introduction of toxin gene of Bacillus
thuringiensis (Bt) is resistant to
A) Insect pests
B) Fungal diseases
C) Plant nematodes
D) Insect predators
06. Which
of the following refer to correct example(s) of organisms which have evolved
due to changes in environment brought about by anthropogenic action?
(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals
like dogs.
A) only (a)
B) (a) and (c)
C) (b), (c) and (d)
D) only (d)
07.
Identify the wrong statement with
reference to immunity.
A) When exposed to antigen (living or dead)
antibodies are produced in the host’s body. It is called “Active immunity”.
B) When ready-made antibodies are directly
given, it is called “Passive immunity”.
C) Active immunity is quick and gives full response.
D) Foetus receives some antibodies from
mother, it is an example for passive immunity.
08. By
which method was a new breed ‘Hisardale’ of sheep formed by using Bikaneri ewes
and Marino rams?
A) Out crossing
B) Mutational breeding
C) Cross breeding
D) Inbreeding
09. Identify
the correct statement with reference to human digestive system.
A) IIeum opens into small intestine
B) Serosa is the innermost layer of the
alimentary canal
C) IIeum is a highly coiled part
D) Vermiform appendix arises from duodenum
10. Presence
of which of the following conditions in urine are indicative of Diabetes
Mellitus?
A) Uremia and Ketonuria
B) Uremia and Renal Calculi
C) Ketonuria and Glycosuria
D) Renal calculi and Hyperglycaemia
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