NCERT Class 7 Science Chapter 2 Nutrition in Animals Extra Questions and Answers
Class 7 Science Chapter 2 Extra Inside Questions and Answers – Nutrition in Animals. Here in this Page Class VII Students can Learn Extra Questions & Answer 2nd Chapter Science fully Inside.
We Provided Here Nutrition in Animals Science Chapter 2 Long Answer Type Question, MCQ Questions & Answer, Short Answer Type Questions (2 or 3 marks), and Very Short answer Type Question (1 marks).
Class 7 Science Chapter 2 Extra Question with Answer – Nutrition in Animals
Science Chapter 2 Nutrition in Animals Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers.
Fill in the Blanks
a) ____ are complex substances.(Carbohydrates)
b) ____ causes severe toothache.(Tooth decay)
c) ____ is known as ruminant.(Deer)
d) ____ is rich in cellulose.(Grass)
Multiple choice Questions
a) ____ is caused by food poisoning?
a) Buccal cavity b) Diarrhea
Ans. b) Diarrhea
b) The process of taking food into the body is called ____?
a) Ingestion b) Digestion
Ans. a) Ingestion
c) The saliva breaks down the ____ into sugars?
a) Starch b) Proteins
Ans. a) Starch
d) The digestion of protein starts in the ____?
a) Esophagus b) Stomach
Ans. b) Stomach
Answer the following Questions
a) What is pseudopodia? Where does amoeba digest its food?
Ans. Amoeba ingests its food with the help of its false feet called pseudopodia.
Amoeba digests its food in the Food vacuole.
b) From where the digestive juice is secreted? What is the function of the digestive juice?
Ans. The digestive juice secreted from the intestinal wall.
The digestive juice act on the food and break it down into simpler substances.
In case you are missed :- NCERT Extra Questions for Nutrition in Plants
c) What is villi? What is the function of villi?
Ans. The inner walls of the small intestine have thousands of finger-like outgrowths, called villi.
The villi increase the surface area for absorption of the digested food.
d) What is rumen? What is present in rumen that helps in digestion of cellulose?
Ans. The grazing animals quickly swallow the grass and store it in a part of the stomach called rumen.
Bacteria present in rumen helps in digestion of cellulose.
4) What is the largest gland in the body? Which juice is secreted from this gland?Where is this juice stored? What is the function of this juice?
Ans. Liver is the largest gland in the body.
The bile juice secreted from the Liver.
This juice is stored in gall bladder.
This juice plays an important role in the digestion of fats.
Assertion Reason Questions
Mark your answer as per the code provide below:
a) A: Cow is a ruminant.
R: Cow quickly swallows the grass and stored it in rumen.
I.) Both A and R are true and R is the correct explanation of A.
II.) Both A and R are true but R is not the correct explanation of A.
III.) A is true but R is false.
IV.) A is false but R is true.
V.) Both A and R are false.
Ans. I. Both A and R are true and R is the correct explanation of A.
Case Study Questions
The large intestine is wider and shorter than small intestine. It is about 1.5 meter in length.
a) What is the function of large intestine?
Ans. The function of large intestine is to absorb water and some salts from the undigested food material.
b) What is egestion?
Ans. The faecal matter is removed through the anus from time-to-time. This is called egestion.
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