Quiz about Kahoot

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 planet is known as the Red Planet?

Accepted Answer

Mars

Answer

Earth

Answer

Jupiter

Answer

Venus

Question 3

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

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Fermentation

Question 4

What is the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Chloroplast

Question 5

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

Accepted Answer

Nitrogen

Answer

Oxygen

Answer

Carbon Dioxide

Answer

Hydrogen

Question 6

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 7

Which part of the plant conducts photosynthesis?

Accepted Answer

Leaf

Answer

Root

Answer

Stem

Answer

Flower

Question 8

What is the chemical symbol for gold?

Accepted Answer

Au

Answer

Ag

Answer

Pb

Answer

Fe

Question 9

What is the hardest natural substance on Earth?

Accepted Answer

Diamond

Answer

Gold

Answer

Iron

Answer

Silver

Question 10

What is the primary gas found in the sun?

Accepted Answer

Hydrogen

Answer

Helium

Answer

Oxygen

Answer

Nitrogen

Question 11

What is the main function of red blood cells?

Accepted Answer

Transport oxygen

Answer

Fight infections

Answer

Clot blood

Answer

Digest food

Question 12

What is the largest organ in the human body?

Accepted Answer

Skin

Answer

Heart

Answer

Liver

Answer

Brain

Question 13

What is the chemical formula for table salt?

Accepted Answer

$$NaCl$$

Answer

$$KCl$$

Answer

$$CaCO_3$$

Answer

$$MgSO_4$$

Question 14

What is the unit of electric current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

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