Question 1

In photosynthesis, light energy is converted into:

Accepted Answer

chemical energy

Answer

mechanical energy

Answer

thermal energy

Answer

electrical energy

Question 2

In photosynthesis, what is the product  that the plant keeps and uses?

Accepted Answer

glucose

Answer

carbon dioxide

Answer

oxygen

Answer

water

Question 3

Which of the following is NOT a product of photosynthesis?

Accepted Answer

Carbon Dioxide

Answer

Glucose

Answer

Water

Answer

Oxygen

Question 4

What are the two main reactants in the process of photosynthesis?

Accepted Answer

Carbon Dioxide and Water

Answer

Oxygen and Glucose

Answer

Nitrogen and Oxygen

Answer

Sunlight and Chlorophyll

Question 5

What is the primary source of energy for photosynthesis?

Accepted Answer

Sunlight

Answer

Glucose

Answer

Water

Answer

Oxygen

Question 6

Which part of the plant is primarily responsible for photosynthesis?

Accepted Answer

Leaves

Answer

Stems

Answer

Roots

Answer

Flowers

Question 7

What is the main purpose of photosynthesis?

Accepted Answer

To produce glucose

Answer

To remove carbon dioxide

Answer

To absorb sunlight

Answer

To release oxygen

Question 8

Where does photosynthesis primarily occur in a plant?

Accepted Answer

Leaves

Answer

Flowers

Answer

Roots

Answer

Stems

Question 9

Which of the following accurately describes the flow of energy through living systems?

Accepted Answer

Energy flows from producers to consumers.

Answer

Energy flows in a random pattern within the ecosystem.

Answer

Energy flows from consumers to producers.

Answer

Energy flows in a circular pattern within the ecosystem.

Question 10

What is a producer in a food chain or food web?

Accepted Answer

An organism that produces its own food through photosynthesis.

Answer

An organism that consumes other organisms for food.

Answer

An organism that decomposes dead organic matter.

Answer

The top predator in a food chain.

Question 11

What is a consumer in a food chain or food web?

Accepted Answer

An organism that obtains energy by consuming other organisms.

Answer

An organism that breaks down inorganic substances into usable nutrients.

Answer

An organism that produces its own food through photosynthesis.

Answer

An organism that decomposes dead organic matter.

Question 12

What is the role of decomposers in an ecosystem?

Accepted Answer

To break down dead organic matter and return nutrients to the soil.

Answer

To capture sunlight and convert it into chemical energy.

Answer

To consume producers and obtain energy.

Answer

To regulate the population of primary consumers.

Question 13

What is the primary source of energy for most ecosystems on Earth?

Accepted Answer

The Sun.

Answer

The Earth's core.

Answer

Volcanic eruptions.

Answer

The Moon.

Question 14

What is the force responsible for the geotropism in plants?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Electricity

Answer

Friction

Question 15

Which force is responsible for the emergence of seedlings from the ground?

Accepted Answer

Turgor pressure

Answer

Friction

Answer

Gravity

Answer

Magnetism

Question 16

What force allows a plant's roots to grow downward and shoots to grow upward?

Accepted Answer

Gravity

Answer

Friction

Answer

Turgor pressure

Answer

Magnetism

Question 17

What is the force that allows plants to stand upright and support their weight?

Accepted Answer

Turgor pressure

Answer

Gravity

Answer

Magnetism

Answer

Friction

Question 18

Which force allows plants to maintain their shape and rigidity by the pressure exerted within their cells?

Accepted Answer

Turgor pressure

Answer

Friction

Answer

Buoyancy

Answer

Gravity

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