Quiz about NHA Proctor

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

Digestion

Answer

Transpiration

Question 4

What is the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Chloroplast

Question 5

What is the acceleration due to gravity on Earth?

Accepted Answer

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

Answer

$$10 \, m/s^2$$

Answer

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

Answer

$$9.2 \, m/s^2$$

Question 6

Which element is represented by the symbol 'O'?

Accepted Answer

Oxygen

Answer

Gold

Answer

Osmium

Answer

Oganesson

Question 7

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

Accepted Answer

Nitrogen

Answer

Oxygen

Answer

Carbon Dioxide

Answer

Hydrogen

Question 8

What is the basic unit of life?

Accepted Answer

Cell

Answer

Organ

Answer

Tissue

Answer

Organism

Question 9

What is the chemical symbol for Sodium?

Accepted Answer

Na

Answer

S

Answer

N

Answer

So

Question 10

What is the hardest natural substance on Earth?

Accepted Answer

Diamond

Answer

Gold

Answer

Iron

Answer

Quartz

Question 11

What is the speed of light in a vacuum?

Accepted Answer

$$3 imes 10^8 \, m/s$$

Answer

$$3 imes 10^6 \, m/s$$

Answer

$$3 imes 10^7 \, m/s$$

Answer

$$3 imes 10^5 \, m/s$$

Question 12

Which organ in the human body is primarily responsible for detoxification?

Accepted Answer

Liver

Answer

Heart

Answer

Kidney

Answer

Lung

Question 13

What is the main gas found in the bubbles of a glass of champagne?

Accepted Answer

Carbon Dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 14

What is the primary function of red blood cells?

Accepted Answer

Transport oxygen

Answer

Fight infections

Answer

Clot blood

Answer

Produce hormones

Question 15

What is the chemical formula for table salt?

Accepted Answer

$$NaCl$$

Answer

$$KCl$$

Answer

$$NaBr$$

Answer

$$KBr$$

Question 16

What is the largest planet in our solar system?

Accepted Answer

Jupiter

Answer

Earth

Answer

Mars

Answer

Saturn

Question 17

What is the main component of the sun?

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Carbon

Answer

Helium

Question 18

What is the term for animals that are active during the night?

Accepted Answer

Nocturnal

Answer

Diurnal

Answer

Crepuscular

Answer

Matutinal

Question 19

What is the chemical formula for glucose?

Accepted Answer

$$C_6H_{12}O_6$$

Answer

$$C_5H_{10}O_5$$

Answer

$$C_6H_{10}O_5$$

Answer

$$C_6H_{14}O_6$$

Question 20

What is the primary source of energy for the Earth?

Accepted Answer

The Sun

Answer

The Moon

Answer

The Stars

Answer

The Earth itself

Question 21

What is the term for the change of state from gas to liquid?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Deposition

Question 22

What is the chemical symbol for Iron?

Accepted Answer

Fe

Answer

Ir

Answer

In

Answer

I

Question 23

What is the most common element in the universe?

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Carbon

Answer

Helium

Question 24

What is the term for a solution with a pH less than 7?

Accepted Answer

Acidic

Answer

Neutral

Answer

Basic

Answer

Alkaline

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