MCQS ON NUTRITION AND ITS TYPES
1. What type of nutrition involves obtaining nutrients from both organic and inorganic sources?
a) Autotrophic nutrition
b) Heterotrophic nutrition
c) Holozoic nutrition
d) Parasitic nutrition
The correct answer is b) Heterotrophic nutrition.
2. Which of the following organisms can perform photosynthesis for nutrition?
a) Fungi
b) Bacteria
c) Algae
d) Protozoa
The correct answer is c) Algae.
3. In which type of nutrition does an organism ingest solid food particles and digest them internally?
a) Autotrophic nutrition
b) Saprophytic nutrition
c) Parasitic nutrition
d) Holozoic nutrition
The correct answer is d) Holozoic nutrition.
4. Which nutrient is the primary source of energy for the body?
a) Proteins
b) Carbohydrates
c) Vitamins
d) Minerals
The correct answer is b) Carbohydrates.
5. Which nutrient is essential for the growth and repair of tissues?
a) Carbohydrates
b) Fats
c) Proteins
d) Fiber
The correct answer is c) Proteins.
6. Which nutrient helps in the absorption of fat-soluble vitamins and supports cell membranes?
a) Proteins
b) Fats
c) Carbohydrates
d) Minerals
The correct answer is b) Fats.
7. Which nutrient category includes substances like iron, calcium, and potassium?
a) Carbohydrates
b) Vitamins
c) Minerals
d) Proteins
The correct answer is c) Minerals.
8. Which nutrient plays a crucial role in maintaining proper digestion and preventing constipation?
a) Fiber
b) Fats
c) Proteins
d) Carbohydrates
The correct answer is a) Fiber.
9. Which nutrient is needed in smaller amounts but is essential for various metabolic reactions?
a) Carbohydrates
b) Fats
c) Vitamins
d) Proteins
The correct answer is c) Vitamins.
10. What is the primary function of water in the body?
a) Source of energy
b) Building muscle tissue
c) Temperature regulation
d) Enhancing brain function
The correct answer is c) Temperature regulation.
11. What is the relationship where one organism benefits while the other is neither helped nor harmed?
a) Symbiosis
b) Commensalism
c) Mutualism
d) Parasitism
The correct answer is b) Commensalism.
12. In mutualism, how do both organisms involved usually benefit?
a) One benefits while the other is unaffected
b) Both benefit
c) One benefits while the other is harmed
d) Both are harmed
The correct answer is b) Both benefit.
13. What is the term for a relationship where one organism benefits and the other is harmed?
a) Commensalism
b) Parasitism
c) Mutualism
d) Symbiosis
The correct answer is b) Parasitism.
14. In which type of interaction do two organisms live closely together and at least one benefits?
a) Mutualism
b) Parasitism
c) Predation
d) Symbiosis
The correct answer is d) Symbiosis.
15. Which of the following is an example of mutualism?
a) A tick feeding on a human
b) A tapeworm living in the intestines of a mammal
c) Bees pollinating flowers while obtaining nectar
d) A lion hunting and killing a zebra for food
The correct answer is c) Bees pollinating flowers while obtaining nectar.
16. What type of interaction involves one organism capturing and consuming another organism?
a) Parasitism
b) Mutualism
c) Symbiosis
d) Predation
The correct answer is d) Predation.
17. In parasitism, the organism that benefits is called the:
a) Host
b) Predator
c) Prey
d) Mutualist
The correct answer is a) Host.
18. Which type of interaction involves one organism living on or inside another and causing harm?
a) Predation
b) Symbiosis
c) Mutualism
d) Parasitism
The correct answer is d) Parasitism.
19. What is an example of a parasitic relationship?
a) Bees pollinating flowers
b) Clownfish and sea anemones living together
c) Mosquitoes feeding on human blood
d) Lichen formed by algae and fungi
The correct answer is c) Mosquitoes feeding on human blood.
20. Which type of interaction benefits both organisms involved?
a) Commensalism
b) Predation
c) Parasitism
d) Mutualism
The correct answer is d) Mutualism.