Maximum Marks: 80
Time allowed: Two and half hours
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes.
This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section-A
(Attempt all questions from this Section.)
Question 1
Choose one correct answer to the questions from the given options:
(i) The blood flows in jerks in
(a) vein
(b) artery
(c) capillary
(d) vena cava
(ii) Carbon dioxide is necessary for photosynthesis. The chemical used to remove this gas
most effectively from entering a control apparatus is
(a) Potassium hydroxide
(b) Calcium oxide
(c) Distilled water
(d) Sodium carbonate
(iii) A trait in an organism is influenced by
(a) paternal DNA only
(b) maternal DNA only
(c) neither by maternal nor paternal DNA
(d) both paternal and maternal DNA
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(iv) Assertion: Ureter forms the common passage for both the sperms and urine.
Reason: It never carries both of them at the same time.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True