NCERT Solutions for Chapter: Nutrition in Animals, Exercise 3: SHORT ANSWER QUESTIONS
NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Nutrition in Animals, Exercise 3: SHORT ANSWER QUESTIONS
Attempt the practice questions on Chapter 2: Nutrition in Animals, Exercise 3: SHORT ANSWER QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Science - Class 7 solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Nutrition in Animals, Exercise 3: SHORT ANSWER QUESTIONS with Hints & Solutions
Match the animals in Column I with their mode of feeding listed in Column II.
|
Column I |
Column II |
|
Animals |
Mode of Feeding |
|
(a) Housefly |
(i) Biting and Chewing |
|
(b) Cockroach |
(ii) Suckling |
|
(c) Mosquito |
(iii) Sponging |
|
(d) Infants |
(iv) Sucking |
Boojho took some grains of boiled rice in test tube 'A' and Paheli took boiled and chewed rice in test tube ‘B’. Both of them poured 1-2 drops of iodine solution into the test tube and observed the colour change. What colour change would they have observed? Give reasons for your answer.
‘A’ got her gall bladder removed surgically as she was diagnosed with stones in her gall bladder. After the surgery, she faced problems in digestion of certain food items when consumed in bulk. Can you tell which kind of food items would they be and why?
Match the organs In Column I with the words listed In Column II.
|
Column I |
Column II |
|
(a) Rectum |
(i) Mucous |
|
(b) Gall Bladder |
(ii) Villi |
|
(c) Stomach |
(iii) Taste buds |
|
(d) Tongue |
(iv) Faeces |
|
(e) Small Intestine |
(v) Bile Juice |
Ruminants such as cows and buffaloes swallow their food hurriedly and then sit restful and chew their food. Can you reason why?
Boojho and Paheli were eating their food hurriedly so that they could go out and play during the recess. Suddenly, Boojho started coughing violently. Think of the reasons why he was coughing and discuss with your friends.
