Life Processes in Animals Class 7 Fill in the Blanks
hardLife Processes in Animals Class 7 Fill in the Blanks
Life Processes in Animals Class 7 Fill in the Blanks
Question 1.
What is the primary function of the alimentary canal in humans?
(a) To transport oxygen
(b) To break down food
(c) To circulate blood
(d) To filter waste
Answer:
(b) To break down food
Question 2.
Which part of the digestive system is responsible for mechanical digestion?
(a) Stomach
(b) Mouth
(c) Small intestine
(d) Large intestine
Answer:
(b) Mouth
Question 3.
What do fish use for breathing?
(a) Lungs
(b) Skin
(c) Gills
(d) Fins
Answer:
(c) Gills
Question 4.
Which of the following is NOT a life process?
(a) Nutrition'
(b) Respiration
(c) Communication
(d) Excretion
Answer:
(c) Communication
Question 5.
In which part of the respiratory system does gas exchange occur?
(a) Trachea
(b) Bronchi
(c) Alveoli
(d) Larynx
Answer:
(c) Alveoli
Question 6.
Which animal uses its skin for gas exchange?
(a) Fish
(b) Frog
(c) Bird
(d) Cow
Answer:
(b) Frog
Question 7.
What is the function of the diaphragm in the respiratory system?
(a) To filter air
(b) To help in the movement of lungs
(c) To produce sound
(d) To transport oxygen
Answer:
(b) To help in the movement of lungs
Life Processes in Animals Class 7 True or False
Question 1.
The stomach is responsible for the mechanical digestion of food only.
Answer:
False (The stomach also chemically digests proteins)
Question 2.
Ruminants like cows chew their food only once before swallowing.
Answer:
False (They partially chew it, swallow it, and then bring it back for further chewing)
Question 3.
Saliva helps in breaking down starch into sugar.
Answer:
True
Question 4.
The small intestine is shorter than the large intestine.
Answer:
False (The small intestine is almost 6 meters long, making it longer than the large intestine)
Question 5.
Birds have teeth to help them chew their food.
Answer:
False (Birds do not have teeth; they have a gizzard for grinding food)
Life Processes in Animals Class 7 Match the Following
Question 1.
| Column A (Processes) | Column B (Descriptions) |
| (a) Inhalation | (i) Movement of air out of the lungs |
| (b) Exhalation | (ii) Movement of air into the lungs |
| (c) Digestion | (iii) Process of energy production in cells |
| (d) Rumination | (iv) Breakdown of food into simpler substances |
| (e) Respiration | (v) Chewing and swallowing food repeatedly |
Answer:
| Column A (Processes) | Column B (Descriptions) |
| (a) Inhalation | (ii) Movement of air into the lungs |
| (b) Exhalation | (i) Movement of air out of the lungs |
| (c) Digestion | (v) Chewing and swallowing food repeatedly |
| (d) Rumination | (iv) Breakdown of food into simpler substances |
| (e) Respiration | (iii) Process of energy production in cells |
Question 2.
| Column A (Processes) | Column B (Descriptions) |
| (a) Inhalation | (i) Movement of air out of the lungs |
| (b) Exhalation | (ii) Movement of air into the lungs |
| (c) Digestion | (iii) Process of energy production in cells |
| (d) Rumination | (iv) Breakdown of food into simpler substances |
| (e) Respiration | (v) Chewing and swallowing food repeatedly |
Answer:
| Column A (Processes) | Column B (Descriptions) |
| (a) Inhalation | (ii) Movement of air into the lungs |
| (b) Exhalation | (i) Movement of air out of the lungs |
| (c) Digestion | (iv) Breakdown of food into simpler substances |
| (d) Rumination | (v) Chewing and swallowing food repeatedly |
| (e) Respiration | (iii) Process of energy production in cells |