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WorksheetsRevision 1
Total questions: 16
Worksheet time: 19mins
Q.1 Animals like a camel can survive in a desert. Which of these features in the camel helps them to survive in the desert?
a) Hump of the camel produces food
b) Long neck helps to store more water
c) Long legs protect them from heat of the sand
Thicker skin helps in the transpiration of more water
‘Plants show movement’. State yes/no. Justify your answer.
‘Bacteria and fungi live in the soil and degrade the organic matter in the soil’.
From the above statement, identify the biotic and abiotic components
Cactus in a desert lacks leaf. Instead of leaves, its thick stem is responsible for photosynthesis. Why are leaves absent in these plants?
a) Leaves cause increased loss of water due to transpiration
b) to save the plants from predators
c) leaves would have wilted easily in the strong heat of the sun
d) leaves are reduced to spines to protect from cold nights in the desert
a) Snakes do not move in a straight line.Give a reason for your answer.
In cockroaches, the body parts helping in movement are
three pairs of legs and two pairs of wings
(b) two pairs of legs and two pairs of wings
c) two pairs of legs and three pairs of wings
(d) none of these
How can fish swim around easily in the water?
(a)Due to small-sized body
(b)Due to streamlined body
(c)Due to the presence of thin skin
(d)Due to the presence of scales on their body
One of the following does not have a hinge joint
jaw
elbow
Knee
shoulder
A) elbow joint
B)shoulder joint
C) Knee joint
D)Hip joint
Skeleton of human body is made up of
Cartilage
Bones
Both cartilage and bones
None of the above
Which of the following joints is immovable?
Lower jaw and upper jaw
Upper jaw and skull
Knee and hip joint
Wrist and pivotal joint
Muscles work in pairs. They contract and relax simultaneously. How does this help an individual?
Differentiate between plants and animals on the basis of characteristics such as:
a. excretion
b. nutrition and
c. growth
Which bones of bird are modified to move wings up and down?
1) Give a reason for the following;
a) Snakes not moving in a straight line.
b) We can not move our upper jaw
