science quiz

1. What does DNA stand for?

• none of these

• dianoc acid

• 1. Deoxyribonucleic acid

• DNA only

1. The concept of gravity was discovered by which famous physicist?

• sir Isaac newton

• albert Einstein

• Stephen floweed

• vesu wat

1. What is the hardest natural substance on Earth?

• rocks

• diamond

• gold

• iron

1. Which is the main gas that makes up the Earth's atmosphere?

• oxygen

• nitrogen

• hydrogen

• c2o

------------​and ----------- share roughly 98 pre of DNA.

• animals

• humans

• chimpanzees

• plant

1. Which famous British physicist wrote A Brief History of Time?

• stephen hawking

• stella hawking

• aben hawking

• none of these

1. What modern-day country was Marie Curie born in?

• poland

• spain

• india

• uk

1. What is the study of mushrooms called?

• mycology

• botinology

• anthology

• psychology

1. How many bones do sharks have?

• 0

• 55

• 32

• 79