Question 1 :
State true or false: Frogs breathe through their skins as well as their lungs
Question 3 :
State true or false:In insects, the exchange of gases is through the trachea.
Question 5 :
State true or false:Food gives us energy and builds our body. If we do not eat regularly, we will suffer bodily.
Question 6 :
State true and false:Oxygen breaks down glucose outside the cells of organisms.
Question 7 :
How many times you breathe in and breathe out different activities in a minute?
Question 9 :
The giving out of air rich in carbondioxide is called ________
Question 10 :
Which of the following are the similarities between aerobic and anaerobic respiration
Question 12 :
Pick the odd-one-out from the group given below on the basis of respiratory organs
Question 13 :
State true or false:
The breakdown of glucose takes place in the cells of an organism
Question 14 :
Exchange of gases in the leaves takes place with the help of ______
Question 15 :
State true or false:The process of breakdown of food in the cell with the release of energy is called cellular respiration.
Question 19 :
Pick the odd-one-out from the group given below on the basis of respiratory organs
Question 21 :
State true or false:All living organisms respire to get energy from the food
Question 23 :
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process ?
Question 24 :
Name the tiny pores in the leaves through which
exchange of gases takes place.
Question 25 :
The process in which light energy is converted into chemical energy is called_____________.
Question 26 :
A cockroach has small openings on the sides of its body. These openings are called__________
Question 27 :
<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 31 :
Small openings on the sides of the body of an insect is called:
Question 37 :
Diaphragm: A large, muscular sheet called diaphragm forms the floor of chest cavity. Is it true or false.
Question 38 :
Which of the following is the main respiratory organ in humans?
Question 42 :
Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish