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7th CBSE
IMPORTANT
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Desert plants reduce their leaves to needle like structures to avoid photosynthesis.

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Important Questions on Periodic Test – 1

EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q II
Onion plants have eyes that grow into new plants.
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q II
The bolus changes into chyme in the small intestine. 
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q II
The upper two chambers of heart are called ventricles. 
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q II
Red blood cells are formed in the bone marrow. 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q III
Why do we need food? 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q III
Name the vegetative parts of a plants.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q III
What is the special sac where cellulose is digested in ruminants?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 20 - Periodic Test – 1>PERIODIC TEST - 1>Q III
Name the organ used by fish for exchange of gases.