Practice Test

Question #1650

What part of a plant is primarily responsible for making food through photosynthesis?

Root

Stem

Leaf

Flower

Question #1651

Which gas do plants take in from the air during the process of photosynthesis?

Oxygen

Nitrogen

Carbon Dioxide

Hydrogen

Question #1652

What is the green substance found in plant leaves that captures sunlight for photosynthesis?

Stomata

Chlorophyll

Carotene

Xylem

Question #1653

What is the main food product that plants make during photosynthesis?

Water

Sugar (Glucose)

Starch

Protein

Question #1654

Which of these is NOT a requirement for a plant to perform photosynthesis?

Sunlight

Water

Soil

Carbon Dioxide

Question #1655

How do non-green plants like fungi (e.g., mushrooms) obtain their food?

They make their own food using sunlight.

They trap insects for food.

They absorb nutrients from dead and decaying matter.

They get food from other living plants.

Question #1656

Which of these is an example of a carnivorous plant?

Sunflower

Mango tree

Pitcher Plant

Rose bush

Question #1657

Why do carnivorous plants like the Venus Flytrap trap insects?

To get water

To get sunlight

To get essential nutrients like nitrogen

To build stronger stems

Question #1658

Which of these plant products is primarily used for making furniture and paper?

Grains

Cooking oil

Wood

Jute fiber

Question #1659

From which plant product do we get cooking oil like sunflower oil or mustard oil?

Leaves

Roots

Seeds

Stems

Question #1660

Jute bags are an eco-friendly alternative to plastic bags. Jute is obtained from which part of the jute plant?

Fruit

Flower

Stem

Root

Question #1661

Which of these is a grain commonly used to make bread and chapatis?

Rice

Wheat

Corn

Millet

Question #1662

Animals that eat ONLY plants are called:

Carnivores

Omnivores

Herbivores

Scavengers

Question #1663

Which of these animals is an example of a carnivore?

Cow

Goat

Tiger

Rabbit

Question #1664

Humans are an example of which category of animals based on their diet?

Herbivores

Carnivores

Omnivores

Parasites

Question #1665

An animal that feeds on the remains of dead animals, rather than hunting live prey, is called a:

Producer

Parasite

Scavenger

Herbivore

Question #1666

Which of these animals is a parasite?

Elephant

Lion

Tapeworm

Deer

Question #1667

In a food chain, what role do green plants typically play?

Consumer

Decomposer

Producer

Scavenger

Question #1668

Consider the food chain: Grass → Deer → Lion. What does the deer represent in this food chain?

Producer

Primary Consumer

Secondary Consumer

Decomposer

Question #1669

What is the ultimate source of energy for almost all food chains on Earth?

Moonlight

Geothermal heat

The Sun

Volcanic eruptions

Question #1670

Which of these is an example of a root vegetable?

Spinach

Potato

Carrot

Broccoli

Question #1671

Which plant product is used to make sugar?

Wheat

Potato

Sugarcane

Cotton

Question #1672

Which of these is NOT a product we get from animals?

Milk

Eggs

Honey

Cotton

Question #1673

What do we call the process where energy is transferred from one living organism to another by eating?

Photosynthesis

Respiration

Food Chain

Digestion

Question #1674

Which gas is released by plants into the atmosphere during photosynthesis, which is essential for animals to breathe?

Carbon Dioxide

Oxygen

Nitrogen

Hydrogen

Question #1675

A bear eats berries, fish, and honey. Based on its diet, a bear is classified as an:

Herbivore

Carnivore

Omnivore

Scavenger

Question #1676

Which of these is an example of a stem vegetable?

Tomato

Ginger

Pea

Lettuce

Question #1677

What is the role of decomposers (like certain bacteria and fungi) in a food chain?

To produce their own food

To hunt and eat other animals

To break down dead organisms and return nutrients to the soil

To eat only plants

Question #1678

Which of these best describes a "parasite"?

An animal that hunts and kills other animals for food.

An organism that lives on or in another organism (host) and benefits by deriving nutrients at the host's expense.

An animal that only eats plants.

An organism that produces its own food.

Question #1679

Which of these items is NOT typically obtained from plants?

Sugar

Rubber

Salt

Cotton

Plant and Animal Products

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