(A) Concave lens
(B) Convex lens
(C) Both of the above
(D) None of the above
Author:
Constituent of blood which takes food materials to all tissues of the body is called?
(A) Red corpuscles
(B) Blue corpuscles
(C) Iron
(D) None of the above
Moon surface gravity is equal to?
(A) one-third that of earth
(B) one-third that of sun
(C) one-sixth that of earth
(D) one-sixth that of sun
What type of image is formed on the retina of the eye?
(A) Real
(B) Inverted
(C) Real and Inverted
(D) Virtual
Liver concerned with which system of the body?
(A) Excretory
(B) Digestive
(C) Sexual
(D) Nervous
The cell which converts light energy into electirical energy is called?
(A) Magnetic cell
(B) Electric cell
(C) Photoelectric cell
(D) All of the above
Which instrument measures the humidity in air?
(A) Manometer
(B) Hygrometer
(C) Barometer
(D) None of the above
From the following given organs which is excretory organ?
(A) Adrenal gland
(B) Liver
(C) Heart
(D) None of the above