The Living Organisms and Their Surroundings

All the living beings, plants and animals are called (a)   .

Which of the following characteristics help a fish to survive in water?

• padded hooves

• streamlined body, gills, flat fins and tails

• dry skin

• lungs

The presence of specific features or certain habits of an organism which help it to survive in its surroundings is called (a)   .

Select the biotic component of a habitat.

• plants and animals

• soil and air

• heat and sunlight

• water

Why are the trees cone shaped and have sloping branches with needle-like leaves in mountain regions?

• to protect them from cold

•  to keep them warm

• to retain water

• This helps the rainwater and snow to slide off easily

Which of the following characteristics of a lion does not help it to survive in grasslands?

• It’s light brown colour helps it to hide in dry grasslands when it hunts for prey.

• The eyes on the side of its head allow it to look in all directions for danger.

• The eyes in front of the face allow it to have a correct idea about the location of its prey.

• They have long claws in their front legs that can be withdrawn inside the toes.

What is a predator?

• The animals which are hunted by other animals.

• The animals which feed on both plants and animals.

• The animal which hunts other animals for food.

• The animals which feed on dead bodies of other animals.

Which of the following is the characteristic of living beings?

• Living things do not need food

• Living beings do not respire

• Living beings do not reproduce

• Living things respond to stimuli

This area receives very less rainfall and therefore have very less vegetation.

• Mountain regions

• Deserts

• Grasslands

• Oceans

Which of the following is not an adaptive feature of mountain regions?

• Animals living in the mountain regions have thick skin or fur to protect them from cold.

• The mountain goat has strong hooves for running up the rocky slopes of the mountains.

• Yaks have long hair to keep them warm.

• To escape the heat, animals like snakes, scorpions, rats, etc live in the burrows dug under the ground during the day and come out only during the night.