Showing
11
question(s) for
ICSE Class 7
—
Subject:
Science
Science
Q1.
Define physical change.
Answer:
A physical change is a change in which no new substance is formed.
Science
Q2.
What is matter?
Answer:
Matter is anything that has mass and occupies space.
Science
Q3.
Define fertilization.
Answer:
Fertilization is the fusion of male and female gametes.
Science
Q4.
What is respiration?
Answer:
Respiration is the process of releasing energy from food.
Science
Q5.
Define physical change.
Answer:
A physical change is a change in which no new substance is formed.
Science
Q6.
What is combustion?
Answer:
Combustion is a chemical process in which a substance burns in the presence of oxygen.
Science
Q7.
Define excretion.
Answer:
Excretion is the removal of waste products from the body.
Science
Q8.
What are microorganisms?
Answer:
Microorganisms are very small living organisms not visible to the naked eye.
Science
Q9.
What is nutrition?
Answer:
Nutrition is the process by which organisms take in food and utilize it.
Science
Q10.
Define rusting.
Answer:
Rusting is the slow oxidation of iron in the presence of air and moisture.
Science
Q11.
What are veins?
Answer:
Veins are blood vessels that carry blood towards the heart.