Question

PART-II (BIO - ZOOLOGY)
SECTION-A
I. Choose the most suitable answer from the given four alternatives and write the option code and the
corresponding answer.
5x1 = 5
1. XO type of sex determination and XY type of sex determination are examples of
a) Male heterogamely b) Female heterogamety c) Male hemogamety d) Both (b) and (c)
2. Father of a child is colour blind and mother is carrier for colour blindness, the probability of the child being
colour blind is
a) 25 %
b) 50 %
c) 100 %
d) 75 %
3. A marriage between a colour blind man and a normal woman produces
a) All carrier daughters and normal sons b) 50 % carrier daughters, 50 % normal sons
c) 50 % colour blind sons, 50 % normal sons d) All carrier off springs
4. Butterflies show
type sex determination
a) XX - XO
b) XX-XY
c) ZO-ZZ
d) ZW - ZZ
5. Sex determination in Man and
are similar
a) Honey bee b) Cockroach c) Drosophila d) Ant

Answer 1

Explanation:

• 1...a
• 2..d
• 3...a
• 4...c
• 5...c

Answer 2

Answer:I'M NOT SURE

1 OPTION D

2  OPTION B

3 OPTION A

4 OPTION A

5 OPTION C

Explanation:IF IT HELPS MARK AS BRAINLIEST