1. Earth satellite?
A) Sun
B) Moon
C) Mars
D) Venus
Answer: B) Moon
2. Gas in balloons?
A) Hydrogen
B) Helium
C) Oxygen
D) Nitrogen
Answer: B) Helium
3. Photosynthesis site?
A) Root
B) Stem
C) Leaf
D) Flower
Answer: C) Leaf
4. Fastest bird?
A) Eagle
B) Peregrine falcon
C) Sparrow
D) Parrot
Answer: B) Peregrine falcon
5. Metal hardest?
A) Gold
B) Iron
C) Tungsten
D) Silver
Answer: C) Tungsten
6. Bone number?
A) 201
B) 206
C) 210
D) 300
Answer: B) 206
7. Plant cell wall?
A) Lignin
B) Cellulose
C) Protein
D) Pectin
Answer: B) Cellulose
8. Electric unit?
A) kWh
B) Watt
C) Volt
D) Joule
Answer: C) Volt
9. Largest ocean?
A) Atlantic
B) Indian
C) Pacific
D) Arctic
Answer: C) Pacific
10. Sound needs?
A) Vacuum
B) No medium
C) Medium
D) None
Answer: C) Medium
