1. What kind of animals have radial symmetry?

• A. Annelids
• B. Arthropods
• C. Coelenterates, ctenophores, and echinoderms
• D. Sponges

Correct Answer: C. Coelenterates, ctenophores, and echinoderms

2. A new species of frog called ‘Fejervarya goemchi’ is named after which state?

• A. Kerala
• B. Odisha
• C. Goa
• D. Gujarat

Correct Answer: C. Goa

3. The combination of male and female gametes is called

• A. Pollinating particle
• B. Fertilization
• C. Mukulan
• D. Spore

Correct Answer: B. Fertilization

4. The primary consumers are

• A. Carnivores
• B. Herbivores
• C. Omnivores
• D. Producers

Correct Answer: B. Herbivores

5. The component of air which is utilized by the plants during photosynthesis is:

• A. Carbon dioxide
• B. Oxygen
• C. Nitrogen
• D. Water vapour

Correct Answer: A. Carbon dioxide

6. If the displacement is perpendicular to the force, then the work done is said to be:

• A. -1
• B. 1
• C. 0
• D. Infinity

Correct Answer: C. 0

7. Chlorine occurs in nature in two isotopic forms, with masses 35 u and 37 u in the ratio of:

• A. 2:3
• B. 3:1
• C. 1:2
• D. 1:4

Correct Answer: B. 3:1

8. Esters are ______ substances.

• A. Foul smelling
• B. Sweet smelling
• C. Hardest
• D. More poisonous than cyanide

Correct Answer: B. Sweet smelling

9. The element similar to carbon is ………

• A. Mg
• B. Mn
• C. Sn
• D. Pb

Correct Answer: C. Sn

10. Which element is a non-metal that is used in matches?

• A. Argon
• B. Black Iron
• C. Red Phosphorus
• D. Nitrogen

Correct Answer: C. Red Phosphorus