WorksheetsAdaptation
Total questions: 20
Worksheet time: 10mins
A camel has thick skin to ______.
look shiny, beautiful and be noticeable in the desert
protect itself from extreme heat
store water and prevent itself from sweating
prevent feeling the pain while carrying heavy loads
If a whale becomes an amphibian one day, which of the following changes will occur?
It will breathe using lungs.
Its skin will become waterproof.
It will eat small fishes.
Its fins will turn into webbed feet.
Feathers are to birds what scales are to _____.
bats
turtle
monkey
fish
__ stores the extra food as body fat and sleeps throughout the winter to survive cold winter months.
Birds can fly easily because they have __________.
streamlined bodies
light and hollow bones
body feathers
all of the above
Shreya plucks a lotus plant from a pond near her house. She observes that it has a long hollow stem. Can you explain the function of the stem?
To help leaves float on water
To absorb soil
To fix the plant to the bottom of the soil
To make the flower beautiful
In this plant, photosynthesis occurs in the _______.
leaves
spines
roots
stem
Which term means ‘adjustment to environment’?
Adaptation
Mimicry
Hibernation
Aestivation
Which animal can be placed in group Z?
Bird
Frog
Shark
Dog
Plants in hilly areas have to bear high speed winds and cold. Which of the following adaptations best helps them face the above conditions?
Having lots of branches and leaves.
Tall and straight trunk with needle like leaves.
Leaves which are modified into spines.
Breathing roots which come above the ground
Ramu brought a plant with thick branches and leaves from the plains, and planted it in a marshy area. What must the new plant do to survive in its new environment?
It must change its colour in its new environment.
It must change its leaves into spines to reduce the loss of water.
It must start trapping insects and eat them.
It must develop breathing roots to get more air.
Which of the following cannot be called a habitat?
When we dip our finger in water, the skin on the finger gets wrinkled. However, the skin of fish does not get wrinkled though their habitat is water because _____.
their bodies are streamlined
of the presence of scales
of the presence of fins
of the presence of gills
How do frogs breathe?
Through moist skin.
Through lungs on land and through moist skin in water.
Through moist skin on land and through lungs in water.
Through lungs only.
Identify the plant whose roots hangs in air & absorb moisture from the atmosphere.
Duckweed
Orchid
Tape grass
Dodder
Which combination of the above features are typical of desert plants?
(i) & (ii)
(ii) & (iv)
(ii) & (iii)
(iii) & (iv)
Parasitic plants have special structure which penetrate the stem or branch to obtain nutrition known as _______.
pneumatophore
haustoria
spongy root
cuscuta
Ben comes across an animal having a streamlined and slippery body. What is the habitat of the animal?
Water
Desert
Grassland
Mountain
Which of these plants is usually weak-stemmed with numerous air spaces and very thin long and waxy coated leaves?
Mesophytes
Xerophytes
Bryophytes
Hydrophytes
Which part of a camel will shrink in size when there is no food for a long time and retain its size when food is available?
Rough tongue
Long eyelashes
Hump
Neck
