Quiz about IAR Math Prep

Question 1

What is the chemical formula for water?

Accepted Answer

$$H_2O$$

Answer

$$CO_2$$

Answer

$$O_2$$

Answer

$$H_2SO_4$$

Question 2

Which of the following is a renewable energy source?

Accepted Answer

Solar Energy

Answer

Coal

Answer

Natural Gas

Answer

Nuclear Energy

Question 3

What is the acceleration due to gravity on Earth?

Accepted Answer

$$9.8 \, m/s^2$$

Answer

$$8.9 \, m/s^2$$

Answer

$$10.5 \, m/s^2$$

Answer

$$7.8 \, m/s^2$$

Question 4

Which organelle is known as the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Endoplasmic Reticulum

Question 5

What is the process by which plants make their food using sunlight?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Digestion

Answer

Transpiration

Question 6

What is the boiling point of water at sea level?

Accepted Answer

$$100^\circ C$$

Answer

$$90^\circ C$$

Answer

$$80^\circ C$$

Answer

$$110^\circ C$$

Question 7

Which gas is most abundant in the Earth's atmosphere?

Accepted Answer

Nitrogen

Answer

Oxygen

Answer

Carbon Dioxide

Answer

Hydrogen

Question 8

What is the primary function of the large intestine in the human body?

Accepted Answer

Absorption of water

Answer

Digestion of proteins

Answer

Production of bile

Answer

Filtration of blood

Question 9

Which planet is known as the Red Planet?

Accepted Answer

Mars

Answer

Earth

Answer

Jupiter

Answer

Venus

Question 10

What is the chemical symbol for gold?

Accepted Answer

Au

Answer

Ag

Answer

Pb

Answer

Fe

Question 11

What is the main component of the sun?

Accepted Answer

Hydrogen

Answer

Helium

Answer

Oxygen

Answer

Carbon

Question 12

Which of the following is a chemical change?

Accepted Answer

Rusting of iron

Answer

Melting of ice

Answer

Boiling of water

Answer

Breaking of glass

Question 13

What is the unit of electric current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 14

Which part of the plant is responsible for photosynthesis?

Accepted Answer

Leaf

Answer

Root

Answer

Stem

Answer

Flower

Question 15

What is the hardest natural substance on Earth?

Accepted Answer

Diamond

Answer

Gold

Answer

Iron

Answer

Silver

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