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 average temperature of the earth's surface rising steadily over time due to rising CO2 and CFC
concentrations is known as
(a) industrial effluents
(b) greenhouse effect
(c) global warming
(d) ozone degradation
(ii) When two opposite alleles come together and one of the two finds expression and suppresses the
other, this is termed as:
(a) law of dominance
(b) law of segregation
(c) law of inheritance
(d) none of the above
(iii) Which of the following controls the body temperature?
(a) pons
(b) hypothalamus
(c) cerebrum
(d) medulla oblongata
Free Sample Papers
(with solutions)
(iv) The autonomic nervous system is strongly influenced by:
R. Grief
S. Fear
T. Peristalsis
(a) Only R
(b) Only R and S
(c) Only S and T
(d) Only R and T