Practicing Class 7 Science MCQ and Class 7 Science Chapter 9 Life Processes in Animals MCQ Questions Online Test with Answers daily helps in time management.
Class 7 Life Processes in Animals MCQ with Answers
MCQ on Life Processes in Animals Class 7
Class 7 Science Chapter 9 Life Processes in Animals MCQ Questions with Answers
Question 1.
Which of the following is true about nutrition in animals?
(a) Animals make their own food,
(b) Animals depend on other organisms for food.
(c) Animals can only obtain energy from sunlight.
(d) Animals do not need food.
Answer:
(b) Animals depend on other organisms for food.
Question 2.
What is the main function of the digestive system in humans?
(a) To excrete waste
(b) To circulate blood
(c) To break down food into simpler substances
(d) To help in breathing
Answer:
(c) To break down food into simpler substances
Question 3.
Which of the following organs is involved in the absorption of nutrients in the human digestive system?
(a) Mouth
(b) Stomach
(c) Small intestine
(d) Large intestine
Answer:
(c) Small intestine
Question 4.
Which part of the digestive system is responsible for the production of bile, which aids in fat digestion?
(a) Pancreas
(b) Liver
(c) Stomach
(d) Small intestine
Answer:
(b) Liver
Question 5.
What is the process by which plants make their own food using sunlight?
(a) Photosynthesis
(b) Digestion
(c) Respiration
(d) Fermentation
Answer:
(a) Photosynthesis
Life Processes in Animals Class 7 Assertion-Reason Type Questions
Assertion-Reason questions Directions: Each of the questions (i) and (ii) contain two statements – first Assertion’ and second ‘Reason’. Select the correct answer to these questions from the codes (a), (b), (c) or (d) as given below:
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
(i) Assertion (A): Saliva moistens food and turns starch into simpler form.
Reason (R): Saliva contains amylase that turn starch into simpler form like maltose.
Answer:
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(ii) Assertion (A): Lungs are involved in respiration.
Reason (R): Carbon dioxide is released during respiration. Multiple Choice Questions (MCQs) Choose the correct option in the following questions
Answer:
(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Life Processes in Animals Class 7 Fill in the blanks
1. Ingestion is the first step in the process of __________.
Answer:
nutrition
2. Digestion is the breakdown of complex food materials into __________.
Answer:
simple materials
3. Iodine solution turns blue-black when react with __________.
Answer:
starch
4. The source of energy for living organisms is __________.
Answer:
food
5. Birds use the __________ to soften food.
Answer:
crop
6. Glucose + Oxygen → Carbon dioxide + __________ + Energy.
Answer:
Water
Life Processes in Animals Class 7 True or False
Question 1.
Salivary glands secrete saliva.
Answer:
True
Question 2.
Ruminants are cud chewing animals.
Answer:
True
Question 3.
All living organisms respire to get energy from food.
Answer:
True
Question 4.
Aerobic organisms not rely on oxygen for respiration.
Answer:
False
Explanation:
Oxygen is used in aerobic respiration. Aerobic organisms rely on oxygen for respiration.
Question 5.
The exchange of oxygen and carbon dioxide occurs in the alveoli.
Answer:
True
Life Processes in Animals Class 7 Match the following
Question 1.
Match the following items given in Column A with that in Column B:
| Column A | Column B |
| 1. Gills | A. Oxygen from lungs to cells |
| 2. Small intestine | B. Grinds food |
| 3. Blood transport | C. Extract oxygen from water |
| 4. Inhalation | D. Nutrients absorption |
| 5. Gizzard | E. Air enters the lungs |
Answer:
| Column A | Column B |
| 1. Gills | C. Extract oxygen from water |
| 2. Small intestine | D. Nutrients absorption |
| 3. Blood transport | A. Oxygen from lungs to cells |
| 4. Inhalation | E. Air enters the lungs |
| 5. Gizzard | B. Grinds food |