Class 6 Science Practice Questions

Q1. What is the basic unit of life? 🔬

1. Cell
2. Tissue
3. Organism
4. Organ

Q2. Which nutrient gives us the most energy? 🔬

1. Proteins
2. Vitamins
3. Carbohydrates
4. Minerals

Q3. Cotton fibre is obtained from which part of the plant? 🔬

1. Fruit/Seed
2. Stem
3. Leaf
4. Root

Q4. Which of the following is a natural fibre? 🔬

1. Nylon
2. Acrylic
3. Polyester
4. Silk

Q5. The process by which plants make their own food is called? 🔬

1. Photosynthesis
2. Excretion
3. Digestion
4. Respiration

Q6. Which gas do plants take in during photosynthesis? 🔬

1. Carbon dioxide
2. Nitrogen
3. Hydrogen
4. Oxygen

Q7. Which part of a cell controls its activities? 🔬

1. Nucleus
2. Cell wall
3. Cytoplasm
4. Cell membrane

Q8. Which of the following animals is a herbivore? 🔬

1. Eagle
2. Frog
3. Cow
4. Lion

Q9. What is the function of stomata in a leaf? 🔬

1. Absorb sunlight
2. Absorb water
3. Exchange of gases
4. Store food

Q10. Silk is produced by which insect? 🔬

1. Mosquito
2. Silkworm
3. Honeybee
4. Butterfly

Q11. An animal that eats only plants is called:

1. Herbivore
2. Carnivore
3. Omnivore
4. Photosynthesis

Q12. An animal that eats only other animals is called:

1. Herbivore
2. Carnivore
3. Omnivore
4. Respiration

Q13. What is the process by which green plants make their own food?

1. Respiration
2. Digestion
3. Photosynthesis
4. Evaporation

Q14. The change of a liquid into vapour on heating is called:

1. Condensation
2. Respiration
3. Digestion
4. Evaporation

Q15. Lemon juice is an example of a substance that is:

1. Acidic
2. Basic
3. Neutral
4. Sweet

Q16. Acids usually taste:

1. Sweet
2. Sour
3. Salty
4. Bitter

Q17. What is the chemical symbol of this element? Iron

1. Ir
2. In
3. Fe
4. Fr

Q18. What is the chemical symbol of this element? Gold

1. Ag
2. Gd
3. Go
4. Au