National Science Day Quiz Competition

Bagasse, a by-product of sugar manufacturing industry, is used for the production of

• Glass

• Paper

• Rubber

• Cement

The process of beating harvested crops to separate seeds from the stalks is called?

• Decantation

• Sedimentation

• Filtration

• Threshing

Which of the following types of glasses is used for making optical instruments?

• Pyrex glass

• Soft glass

• Hard glass

• Flint glass

Date of manufacture of food items fried in oil should be checked before buying because oils become rancid due to

• Oxidation

• Reduction

• Hydrogenation

• Decrease in viscosity

Which of the following gases is supporter of combustion?

• Hydrogen

• Nitrogen

• Carbon dioxide

• Oxygen

Potato is a modified

• Root

• Stem

• Leaf

• Bud

What is the name of the rover that landed on Mars on 18th February 2021 by NASA.

• Curiosity

• Perseverance

• Vikram

• Spirit

For which discovery, C.V. Raman got nobel prize in 1930?

• Raman effect

• Tyndall effect

• Acoustic effect

• Butterfly effect

Who is considered as the 'founding father' of Indian Space Program?

• APJ Abdul Kalam

• C.V. Raman

• Dr. Vikram A Sarabhai

• Homi J Bhabha

Which element is a liquid at ordinary temperature?

• Oxygen

• Carbon

• Mercury

• Potassium