Crop, Production and management & Force and Pressure

Which of the following is not a example of muscular force?

• A porter carrying a load on his head

• An apple falling from a tree

• Fetching water from well

• Attraction of opposite poles of magnet

Which of the following scientist gave the idea of gravity?

• Albert Einstein

• James Watt

• Issac Newton

• Alexander Flemming

What is the SI unit of force

• Newton

• Pascal

• Kelvin

• Magdeburg

Which scientist did the magdeburg hemisphere experiment?

• Issac Newton

• Edward Jenner

• Otto Von Guericke

• None of these

Which of the following are contact forces?

A. Friction

B. Gravitational Force

C. Magnetic Force

D. Muscular Force

• A and B

• B and C

• C and D

• A and D

Which of the follwing is NOT a Kharif crop?

• Paddy

• Mustard

• Maize

• Groundnut

Which of the following is not a Rabi crop?

• Soyabean

• Peas

• Wheat

• Linseed

Which of the following can't be provided to soli with a chemical fertilizer

• Nitrogen

• Humus

• Pottasium

• Phosphorus

The government agency responsible for purchasing grains from the farmers, safe storage and distribution is

• CBI

• FBI

• FCI

• FDI

Fish liver oil is rich in

A. Vitamin A

B. Vitamin B.

C. Vitamin C

D. Vitamin D

• A and B

• B and C

• A and D

• Only D