science

which gas is used for breathing

• o2

• H2o

• Ho2

What is formula of Force?

• Net force * Mass

• Mass / Acceleration

• Sandwich

• Mass / Velocity

What was the first animal sent into Space?

• Laika the dog

• Alfred the Monkey

• Sandwich

• Urusula the fish

What is the atomic number of oxygen?

• 5

• 17

• Sandwich

• 8

Living things need non-living things like food, water, air to survive on Earth. But the human activities have been largely responsible for increased pollution of all natural resources like water, air, weather etc. Can you mention a few types of pollution caused by human beings?

• Air pollution

• Water pollution

• Land pollution

• All of option 1, 2, 3

This is the largest living animal on Earth.

• Elelphant

• Blue Whale

• Humans

• None of the above

A gliding joint is also called a ________ joint

• plane

• different

• hinge

• roll

The bone in upper arm

• Humerus

• shin

• stapes

• femur

COVID-19 is an infectious disease caused by a newly discovered ____________.

• Virus

• Fungi

• Mushroom

• Bacteria

How planets are there in our solar system?

• 6

• 7

• 8

• 4