Page 1 :
Science Chapter 10, , Respiration in Organisms Class, 7 Science Extra Questions Very, Short Answer Type Questions, , Question 1., , What are the end products of aerobic, respiration., , Answer:, , During aerobic respiration, carbon dioxide, and water are released along with a large, , amount of energy., , Glucose “25 CO, + Water + Energy, , Question 2., , The cellular respiration process takes place, in which cell organelle?, , Answer:, , Cellular respiration takes place in the, mitochondria of the cell.

Page 2 :
Question 3., , Name the end products of anaerobic, respiration in yeast., , Answer., , The end product formed during anaerobic, respiration in yeast are, , e Ethyl alcohol, e Carbon dioxide, e Energy, , Question 4., , In some animals, exchange of gases takes, place through its thin and moist skin., Name one such animal. [HOTS], , Answer., , Earthworm is an animal where exchange, of gases during breathing or respiration, takes place through its thin and moist skin.

Page 3 :
place through its thin and moist skin., Name one such animal. [HOTS], , Answer:, , Earthworm is an animal where exchange, of gases during breathing or respiration, takes place through its thin and moist skin., , Question 5., , Give the name of respiratory organs in, following animals., , (a) Fish, , (b) Human being, , Answer:, , The respiratory organ of the following, animals are as follows, , (a) Fish - Gills, , (b) Human being - lungs

Page 4 :
ey, , Question 6., , Our nostrils has hair and mucous. What is, the need to have them in our nasal cavity?, [HOTS], , Answer., , Our nostrils possess hairs and mucous, , lining. These help in preventing dirt, dust, and germs from entering our respiratory, system., , Question 7., , Sometimes we see that farmers loosen the, soil. What is the reason behind it?, , Answer., , The farmers sometimes loosen the soil., This helps the root to respire through the, , air present in the space between soil, particles.

Page 5 :
Question 8., , Various organs constitute the respiratory, system of human. These organs are, located according to their functions., Identify them., , Answer:, , The various organs in the respiratory, system of human are nostrils, nasal, passage, nasal cavity, windpipe and lungs., , Question 9., The vocal ability of humans is the, responsibility of an organ commonly, , known as voice box. What is its scientific, name?, , Answer:, The organ that is responsible for speech is, larynx or voice box. It lies between pharynx