Page 1 - HA1

SAI International School
Subject - Biology, Class-VI
Topic- Adaptation in living organisms
Subtopic- Aquatic habitats
Module- 27
Home assignment- I
Objective(MCQs)

1 Roots are ___ in aquatic plants.
a) Fully developed
b) Poorly developed
c) Not developed
d) None of these
2 A swim bladder provides ____to a fish.
a) Streamlined shape
b) Movement
c) Buoyancy
d) Breathing organ
3 Aquatic birds have ___ feet.
a) Curve
b) Broad
c) Narrow
d) Webbed
4 Complete the column with a suitable answer-

Animal Adaptive features

A) frog i)

B) ii) oil gland

C) fish iii)

a) A- webbed feet ,B-duck, C- swim bladder
b) A- swim bladder,B- webbed feet,C – duck
c) A- webbed feet, B-swim bladder, C-duck
d) A duck -, B- swim bladder, C- webbed feet
5 Which statement is true?
A) Stomata are absent in fully submerged plants.
B) Stomata play a very important roll in a fully submerged plant.

a) Both A & B are true
b) Only B is true
c) Only A is true
d) Both A & B are false
6 ___ is a free-floating hydrophyte.
a) Wolffia
b) Lotus
c) Duckweed
d) Both a & c