Fill ups
A device used to cook food by utilising the infrared radiations coming from the sun is called………….. .

The food that enters intestine from stomach is called:

The device used for testing electric charge is called:

Fill ups The respiation which uses oxygen is called ………………..respiration.

Fill in the blanks. The planet which is farthest from the sun is ………………….

Infrared lamps are used in restaurants to keep the food warm. The infrared radiation is strongly absorbed by water, raising its temperature and that of the food. If the wavelength of infrared radiationis assumed to be 1500 nm, and the number of quanta of infrared radiation produced per second by an infrared lamp (that consumes enregy at the rate of 100 W and is 12% effcient only) is (xx10^(19) , then the value of x is : (Given: h= 6.665xx10^(-34)J-s)

Fill ups Interlocking network of food chains is called as……………. .

The device used for producing electric current is called,