Page 2 - 3. Home Assignment (Obj & Subj)-Adaptations for Terrestrial Habitats

c) Snake
d) Dolphin
9. A camel has an exceptionally long large intestine-
a) Because the camel lives in the desert.
b) to absorb all the water from the food.
c) to absorb all the fat from the food.
d) All of these.
10. Which statements do not hold true for cactus?
(i). The stem is modified in the form of spines to reduce water loss.
(ii). The stem is modified to perform the function of photosynthesis.
(iii). The stem is fleshy so that it can help in storing a lot of water.

a) Option (i) & (ii) are correct.
b) Option (ii) & (iii) are correct.
c) Option (i) & (iii) are correct.
d) Option (i), (ii) & (iii) are correct.

Subjective

1. List two problems faced by the organisms living in a desert 1 E
region.
2. What are succulent plants? Give an example. 1 E
3. What are the needle-like features on a cactus? How do they help 3 Av
the cactus to survive in the hot deserts?
4. What type of habitat is a kangaroo rat likely to be found in? Enlist 3 Av
its adaptive features.
5. A came is best adapted to life in the desert. It is also called as the 5 D
‘Ship of the desert’.
(a) State two adaptive features that help the camel to survive
in the desert.
(b) What does the increase or decrease in the size of a camel
hump signify?
(c) Why is the camel also called the ‘Ship of the Desert’?
(d) What is peculiar about the intestine in a camel? Why is it
so?