Useful and Harmful Living Things
Useful and Harmful Living Things: Overview
This topic covers concepts such as useful plants, predator, harmful plants, and harmful animals.
Important Questions on Useful and Harmful Living Things
Give some examples of predators.


How plants can cause water pollution?

Colocacia plant cause itching to our _____.

Leaves of _____ plant cause itching.

Parthenium is a type of plant which can cause pollen allergy to humans.

Name any two plants which are harmful to humans.

What do you mean by predators? Give examples.

Which of the following is an example of a predator?

A consumer that hunts is called

Name a few forest plants that are used for their wood.

Name some plants used in medicines.

Name two plants used in the household.

Name some animals that can cause the death of humans.

List animals that are responsible for spreading diseases.

Give some examples of animals that can cause harm to humans.

Mosquitoes and flies spread diseases.


The Datura plant is poisonous.

Which one of the following spread by a mosquito?
