Class 7 Science Chapter 9: Life Processes in Animals — practice questions with answers
Free practice for Class 7 Science, Chapter 9: Life Processes in Animals. Try the solved questions below, then take a free test with instant marking and explanations.
29 questions11 easy, 14 medium, 4 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. Processes like nutrition, respiration, excretion and reproduction are together called life ______.
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Answer: processes
Why: These are collectively called life processes. [p.121]
Why: These are collectively called life processes. [p.121]
Q2. How does a python feed?
- It swallows the animals it preys upon
- It sucks nectar
- It filters tiny particles
- It drinks milk
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Answer: A. It swallows the animals it preys upon
Why: Bees and sunbirds suck nectar; pythons swallow prey; some aquatic animals filter food. [p.122]
Why: Bees and sunbirds suck nectar; pythons swallow prey; some aquatic animals filter food. [p.122]
Q3. Why must complex food components be broken down?
- The body can use only simpler forms
- To make food tasty
- To store food longer
- They are poisonous
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Answer: A. The body can use only simpler forms
Why: Carbohydrates, proteins and fats must be broken into simpler forms before the body can use them. [p.122]
Why: Carbohydrates, proteins and fats must be broken into simpler forms before the body can use them. [p.122]
Q4. The long tube from the mouth to the anus in which food is broken down is called the ______ canal.
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Answer: alimentary
Why: Digestion occurs in the alimentary canal. [p.122]
Why: Digestion occurs in the alimentary canal. [p.122]
Q5. Why does chapati start tasting sweet when chewed for a long time?
- Saliva breaks starch into sugar
- Chapati contains sugar
- Teeth make sugar
- The tongue changes
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Answer: A. Saliva breaks starch into sugar
Why: Saliva contains a digestive juice that breaks down starch into sugar. [p.123]
Why: Saliva contains a digestive juice that breaks down starch into sugar. [p.123]
Q6. Cows bring partially digested food back to the mouth to chew again. This process is called ______.
- rumination
- egestion
- absorption
- respiration
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Answer: A. rumination
Why: Such animals are called ruminants. [p.128]
Why: Such animals are called ruminants. [p.128]
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Frequently asked questions
How many practice questions are there for Class 7 Science Chapter 9: Life Processes in Animals?
29 questions (11 easy, 14 medium, 4 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 7 Science syllabus, used by CBSE and many state boards.