Which of the following science is considered “mother of all sciences”?

Person with following blood group are considered to be universal recipient ?

A. A+
B. B+
C. AB+
D. O+
E. None of these

Day and night are the results of__________?A. Earth rotation around its axis
B. Earth revolution
C. Earth rotation accompanied with its revolution.
D. None of these

We get day and night because the Earth ss (or rotates) on an imaginary line called its axis and different parts of the planet are facing towards the Sun or away from it. It takes 24 hours for the world to turn all the way around, and we call this a day.

 

Basidiospores are considered to be a major source of ___________?

A. airborne allergens
B. water borne allergens
C. animal faeces
D. bio-weapon

The movement of any solvent across a semipermeable membrane is called__________?A. Osmosis
B. Cataphoresis
C. Electrolysis
D. Electrophoresis

 

How many pounds in a kg?

A. 2.20
B. 2.30
C. 2.40
D. 2.50

Calcium level in the blood is regulated by the: ___________?

A. Thyroid
B. Parathyroid
C. Adrenal medulla
D. A and B