Diameter of an atom is in the order of________________?

A. 0.2m
B. 0.2mm
C. 0.2nm
D. 0.2pm

The most abundant element in the Earth’s crust is __________?

A. Oxygen
B. Hydrogen
C. Carbon dioxide
D. Silicon

What’s the Strongest Muscle in the Human Body based on its weight?

A. Hands
B. Masseter
C. Neck
D. Legs

Cusec is a unit of _________?

A. Area
B. Time
C. Distance
D. None of these

Explanation: A measure of flow rate, cusec is the short form for cubic feet per second.

Which of the following compounds will react with Tollens reagent ?

A. ch3-cho
B. Ch3-ch-ch3
C. Ch3-cooh
D. Ch3-co-ch2-ch3

Enzymes are organic catalysts made up of __________?

A. Carbohydrates
B. Proteins
C. Nucleic acid
D. Fats

what is the height of The atmosphere layer mesosphere?

A. 85 km
B. 50 km
C. 40 km
D. 10 km

The lifespan of Red Blood Cells is __________ days?

A. 60
B. 120
C. 180
D. 240

The longest bone in human body is___________?

A. Ulna
B. Tibia
C. Femur
D. Humerus

What is the date when day and night are equal?

A. March 21 and december 24
B. January 14 and september 23
C. March 20 and september 23
D. January 14 and june 22