GK Science

Which animal never drinks water in its entire life?

• Kangaroo

• Hippopotamus

• Rat

• Kangaroo rat

The number of ribs in a human body is _____

• 23

• 24

• 25

• 22

Which is the vertebrate that has two chambered heart?

• Fish

• Snake

• Blue Whale

• Crocodile

Which is the largest blood vessel in the body?

• Alveoli

• Artery

• Aorta

• Vein

The leaves of a tree or plant are green due to the presence of:

• Nitrogen

• Green color

• Chlorophyll

• Oxygen

What is the scientific name of Laughing Gas?

• Phosphorous Pentoxide

• Sodium Bicarbonate

• Oxygen

• Nitrous Oxide

Which is the smallest flightless bird?

• Penguin

• Ostrich

• Rhea

• Kiwi

Which acid is used in the body to help digestion?

• Acetic Acid

• Sulphuric Acid

• Hydrochloric Acid

• Boric Acid

Which one of the following prevents bleeding?

• Red blood cells

• White blood cells

• platelets

• plasma

Chemical formula for water is _____________

• NaAlO2

• H2O

• Al2O3

• CaSiO3