Which of the following parts of the eye has been 3D printed by scientists in 2018?
(A) Iris
(B) lens
(C) Retina
(D) cornea
What is the unit of Nervous system?
(A) Brain
(B) Spinal Cord
(C) Nerves
(D) Neuron
The function of hemoglobin in the body is-
(A) Controlling the amount of blood
(B) Transporting Oxygen
(C) Operating the blood
(D) None of these
Majority of the digestion takes place in the human body.
(A) Large intestine
(B) Small intestine
(C) liver
(D) None of these
Conversion of light energy into chemical energy is as follows
(A) By electrolysis
(B) By photosynthesis
(C) By respiration
(D) By Emission
The change of milk into curd is done by-
(A) Bacteria
(B) Vitamin
(C) Enzyme
(D) None of the above
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