PDF chapter test TRY NOW
Analyse the questions and choose the best answer:
1.
Mosquitoes, bed bugs, lice and leeches suck our blood. Can they be called as
2. Kamala wondered what will happen if all the carbon dioxide in the world disappear?
3. Ramesh and Suresh are roaming around countryside. Ramesh saw cows are eating grass and plants for their food and wondered how plants get their food. Suresh explained clearly to Ramesh about it. How could you explain to Ramesh?