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1
_____________________ adaptations are found in aquatic animals.
Gills are special organs to breathe.
Fins help them to swim.
The streamlined body allows them to swim fast.
All of these.
2
There are certain changes that can occur in an organism over a short period of time, which help the organism adjust to the changes in it surrounding this is called___________________________.
Acclimatization.
Adaptations
Adjustment.
None of these.
3
_________________________ refers to changes in organism that take place over a short period of time.
Acclimatisation
Adaptaions
Both (a) and (b) are correct.
4
What kind of adaptation was shown by the plants of Grassland ?
Plants have small flowers.
Plants have flexible stems.
Plants have no flowers.
5
____________________ adaptations are found in aquatic plants.
Waxy covering on leaves and stem.
Reduced roots.
Stems are long and narrow
6
__________________ adaptations are found in frog.
Webbed feet
Long and strong back legs
Moist skin
7
Acclimatisation is ______________________ adaptation.
different from
similar to
same as
8
Which of the following animal are found in Polar region ?
Polar Bear
Penguin
Musk ox
9
Which of the following animal is found in Grassland ?
Deer
Tiger
Elephant
10
Hump of a camel is used to ______________
Tread on the desert land
Store food
Store water
Both b and c
11
___________ have streamlined body .
Earthworms
Tigers
Fishes
Polar bears
12
In cactus plant ____________________ are reduce to spines
Leaves
flowers
roots
stem
13
To reduce loss of water in desert area the leaves of cactus are modified into _________________
Branches
Adventitious roots above the groud
Spines
Rounded shaped leaves
14
Dolphins and whales breathe through ________________
Gills
Skin
Lungs
Blowholes
15
Which of the following animals are good swimmers?
Polar bear
Both of these
None of these