Question Text
Question 2 :
Cockroaches breathe with the help of air tubes called .
_________
Question 3 :
State true or false:Food gives us energy and builds our body. If we do not eat regularly, we will suffer bodily.
Question 4 :
State true or false:Amongst earthworms, the exchange of gases takes place through moist skin.
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbaaf59b460d7261ec7a.jpg' />
Observe the above figure carefully and answerthe following:
In which jar, will the amount of $CO_2$, be the highest?
Question 7 :
State true or false:Breathing is one part ot the process of respiration during which an organism takes in the oxygen rich air and releases air rich in carbon dioxide.
Question 9 :
State true and false:Frogs can breathe through their skin as well lungs.
Question 13 :
State true or false:Insects have spiracles on the lower surface of the body.