Science Quiz 01

Through solar cells, solar energy is converted into ______________ energy.

electrical
wind
light

How many chromosomes are present in a human body?

46
48
49

Melting of an ice cube is an example of

Sublimation
Physical change
Vaporization

What is the Standard International (SI) unit of force?

Dyne
Newton
Kilogram

The decomposition of vegetable matter into compost is an example of an __________.

redox reaction
endothermic reaction
exothermic reaction

What are enzymes?

Tissues
Cells
Bio catalysts

Which pores of the plant open during photosynthesis when water flows into them?

xylem
chloroplast
stomatal

Far sightedness is also known as:

presbyopia
Hypermetropia
Myopia

Which of the following gases is an excellent source of fuel and contains up to 75% of methane?

Biogas
Hydrogen
Nitrogen

Lack of the hormone ______ leads to Diabetes.

Insulin
Cortisol
Estrogen

You got out of 10 correct.

The correct answers are