YSA
Model Paper
Section-C
Marks-10*2=20
Attempt any two questions.
Q.3 a. Differentiate
Amphibians and Reptiles.
(2)
|
Amphibians
|
Reptiles
|
- They live both in water and on land.
- They lay eggs in water.
- Skin is moist and slimy.
- Teeth present only on upper jaw and are
used for
- grasping the prey.
- They undergo metamorphosis.
|
1.
They are terrestrial few live in water.
2.
They lay eggs on land.
3.
Skin is dry, rough and scaly.
4.
Teeth on both jaws, used for cutting and
biting.
5.
Do not undergo metamorphosis.
|
b.
What is metamorphosis? Discuss its various
types.
(1+5)
Ans.
Pg # 123, 124
c.
Give characteristic features of flying mammals.
(2)
Ans.
Pg # 135
Q.4 a. Give an account of
Enzymes.
(5)
Ans.
Pg # 168
b.
Explain in detail light reaction of
photosynthesis.
(5)
Ans.
Pg # 147
Q.5 a. Draw a neat and
labelled figure of life cycle of a pteridophytes. (4)
Ans.
Pg # 102.
b.
Write a note on excretory system of frog.
(4)
Ans.
Pg # 54.
c.
What is the importance of meiosis?
(2)
Ans.
Pg # 35
Section
A Section
B Section C SOLUTIONS Solution
of Section A Solution of
Section B Solution of
Section C
