Ø
MCQ (For 1 Marks)
Ø
Scoring 5 Marks
i) Which organ
in cactus is modified into spines?
(a) Stem, (b) leaf,
(c) Root, (d) tendril.
ii) The nitrogen
base present in DNA but absent from RNA is……
(a) Uracil (b) Adenine
(c) Thymine (d) Cytosine
iii) The fungus
that reproduces through budding is …………..
a) Yeast, b) Penicillium,
c) Aspergillus, d)
Puccinia graminis
iv) Where is
sclera located?
a) tongue, b) skin,
c) eye, d) ear.
v) Which part of
the brain performs thermo-regulation?
(a) Cerebrum (b)
Cerebellum
(c) Hypothalamus (d) Pons
Ø Objective Type (For 1 Marks)
Ø Scoring 10 Marks
(i) Name a sense
organ that maintains balance in humans.
(ii) If a hybrid
tall pea plant is made to breed with a pure short one, what percentage
of the F1 generation
plants will be found to be hybrid tall ?
(iii) Give an
example of an animal fossil.
(iv) Name a
vestigial organ in man.
(v) Name an organ in the Sundari plant that has undergone adaptive
modification.
(vi) Name a
unicellular organism that is harmful to humans.
(vii) Write the
name of a disease spread through blood beside AIDS.
(viii) Name an
alkaloid that is used in treatment of eye diseases.
(xi)
Where is urea synthesized in human body?
(x) Withdrawal
of finger from a hot object is an example of which type of reflex?
