Fill in the Blanks Section (converted to MCQs)

Pollution makes the environment ________ and unsafe for living things.

• clean

• dirty

• fresh

• fragrant

Throwing refuse in rivers and drains causes ________ pollution.

• air

• noise

• water

• soil

Harmful gases released into the air from cars and factories cause ________ pollution.

• air

• water

• land

• noise

Dumping waste in open land without care leads to ________ pollution.

• soil

• light

• thermal

• water

Planting more ________ helps to purify the air and reduce pollution.

• buildings

• trees

• cars

• chimneys

Adaptation helps plants to survive in their natural ________.

• habitat

• season

• flower

• weather report

Desert plants store water in their ________ to survive dry conditions.

• roots

• stems

• flowers

• seeds

Plants that grow on other plants for support are called ________.

• parasites

• epiphytes

• saprophytes

• algae

Aquatic plants have ________ leaves that float easily on water.

• narrow

• spiny

• broad

• waxy-only

Climbers use weak stems and ________ to reach sunlight.

• thorns

• tendrils

• fruits

• petals