Nutrition in Animals and Plants (7 Science)
Understand how plants and animals obtain and use nutrients. Learn about food chains, photosynthesis, and digestive systems.
TL;DR: Understand how plants and animals obtain and use nutrients. Learn about food chains, photosynthesis, and digestive systems.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
Understand how plants and animals obtain and use nutrients. Learn about food chains, photosynthesis, and digestive systems.
Nutrition in Animals and Plants MCQs with Answers & Explanations
Q1. What is nutrition?
- Physical exercise
- Process of obtaining and utilizing food ✓ (correct)
- Gaining weight
- Drinking water
Q2. What is the primary mode of nutrition in plants?
- Holozoic
- Saprophytic
- Autotrophic ✓ (correct)
- Parasitic
Q3. What is a food chain?
- Chain of supermarkets
- Series of organisms where each is food for the next ✓ (correct)
- Chain for storing food
- Food containers
Q4. What is the role of producers in a food chain?
- Consume energy
- Produce food using sunlight ✓ (correct)
- Decompose organic matter
- Store energy
Q5. What is a herbivore?
- Animal that eats meat
- Animal that eats plants ✓ (correct)
- Animal that eats both
- Animal that eats fungi
Q6. What are the main components of a balanced diet?
- Only proteins
- Carbohydrates, proteins, fats, vitamins, minerals, water ✓ (correct)
- Only vegetables
- Only fruits
Q7. What is the function of saliva in digestion?
- No function
- Lubricates food and begins breakdown of starch ✓ (correct)
- Absorbs nutrients
- Stores food
Q8. Which organ produces digestive enzymes called pepsin?
- Liver
- Stomach ✓ (correct)
- Pancreas
- Small intestine
Q9. Where is most nutrient absorption completed in the digestive system?
- Mouth
- Stomach
- Small intestine ✓ (correct)
- Large intestine
Q10. What is the function of bile in digestion?
- Digests protein
- Emulsifies fats for better digestion ✓ (correct)
- Digests carbohydrates
- Produces enzymes
Frequently Asked Questions
What is the difference between omnivores, herbivores, and carnivores?
Herbivores eat only plants (cow, rabbit). Carnivores eat only meat (lion, eagle). Omnivores eat both plants and meat (humans, bears, pigs).
How long does complete digestion take?
Complete digestion typically takes 24-72 hours. Food takes about 6 hours to pass through the small intestine and several hours more in the large intestine.
More 7 Science MCQs
- Light Reflection and Refraction
- Electricity
- Acids Bases and Salts
- Life Processes
- Carbon and its Compounds
- Metals and Non-metals
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