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WorksheetsClass 4 # Periodic Test 1 # Revision
Total questions: 20
Worksheet time: 7mins
Choose the correct option with respect to the organ system shown in the picture:
Muscles are tough tissues attached to the bones of our body.
There are two types of muscles in our body.
Bones do not need muscles to move.
All the muscles in our body are same.
Ribcage is made up of :
12 pairs of bones and protects lungs.
12 pairs of bones and protects heart.
12 pairs of bones and protects lungs and heart.
14 pairs of bones and protects lungs and heart.
Arteries are blood vessels that carry
Oxygenated blood from all parts of the body to the heart.
Oxygenated blood from heart to all parts of the body.
Deoxygenated blood from all parts of the body to the heart.
Deoxygenated blood from heart to all parts of the body.
Central Nervous System consists of :
Brain and nerves.
Spinal cord and nerves.
Brain and spinal cord.
Brain, nerves and spinal cord.
During inhalation air travels through:
Nostrils > Trachea > Nasal cavity > Lungs
Nostrils > Lungs > Trachea > Nasal cavity
Lungs > Trachea > Nasal cavity > Nostrils.
Nostrils > Nasal cavity > Trachea > Lungs
The food particles are completely broken down into simpler forms and are absorbed by the body in the ___________ .
Small intestine
Stomach
Large intestine
Liver
The urine is carried to the urinary bladder through thin tubes called (a) .
Skin helps to control body temperature by producing sweat.
False
True
An organ system among the following :
Identify the organ system:
Muscular system
Nervous system
Excretory system
Circulatory system
The function of root hair is to :
absorb water from the soil.
absorb nutrients from the soil.
absorb water and nutrients from the soil.
none of the above
Food storing root among the following is :
Potato
Onion
Ginger
Carrot
Plants that have breathing roots grow in :
Deserts
Hills
Marshy areas
Ponds
Identify the special root.
Aerial root
Buttress root
Water storing root
Breathing root
Choose the incorrect option:
Pea plant - Tendril
Mint - Underground stem
Rose - Thorn
Hibiscus - Woody stem
The leaves of _________ trees are needle shaped.
Maple
Oak
Pine
Babool
An adaptation of desert plant is :
Presence of large leaves.
Water stored in stems or leaves.
Short and weak root systems.
All the above.
Which of the following is an adaptation of Duckweed?
Lightweight bodies and spongy stems.
Long, thin and narrow leaves.
No stomata.
Roots are fixed at the bottom of water body.
An underwater plant is :
Duck weed
Pond weed
Water lily
Lotus
The Chipko Movement was started under the leadership of Sunderlal Bahuguna.
False
True
