Myopia disease is related to:

A. Ear
B. Eyesight
C. Heart
D. Brain

Explanation:

Formic acid is obtained from:

A. Vinegar
B. Orange
C. Ant
D. Fat

Explanation:

Sound travels fastest in:

A. Solid
B. Liquid
C. Gas
D. None of these

Explanation: Sound travels fastest in solids.

Our brain demands the most:

A. Glucose
B. Lactose
C. Proteins
D. Vitamins

Explanation: The brain requires glucose the most.

Sunlight can reach a depth of:

A. 100 m
B. 200 m
C. 300 m
D. 400 m

Explanation: Sunlight can reach up to 300 meters underwater.

Which was the first Arab country to launch a Mars probe?

A. Qatar
B. Uae
C. Saudi arabia
D. Iran

Explanation: The UAE was the first Arab country to launch a Mars probe.

The amount of oxygen required to restore the body to its normal resting level of metabolic function is called:

A. Epoc
B. Deficit oxygen
C. Lactate threshold
D. None of these

Explanation: EPOC stands for Excess Post-exercise Oxygen Consumption.

Which branch of biology is related to the study of bacteria?

A. Immunology
B. Microbiology
C. Entomology
D. Genetics

Explanation: The study of bacteria falls under microbiology.

The density of sea water increases as:

A. Temperature decreases
B. Pressure decreases
C. Depth and salinity increase
D. Depth decreases

Explanation: The density of sea water increases with depth and salinity.

Instrument that is used to save use of radioactivity is called?

A. Microscope
B. Telescope
C. Geiger-müller counter
D. Barometer

Explanation: A Geiger-Müller counter is used to detect and measure radioactivity.