Respiration in organisms

Respiration in organisms

By Vijetha Arvinth

Multiple Choice

What is respiration?

• breathing

• an inhalation and a exhalation

• process of releasing energy from the breakdown of food

Multiple Choice

Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?

• alcohol and lactic acid

• lactic acid and CO₂

• lactic acid only

Multiple Choice

Yeast is used in wine and beer industries because it respires.

• aerobically producing oxygen

• Anaerobically producing oxygen

• anaerobically producing ethanol

Multiple Choice

During the process of exhalation, the ribs move

• down and inwards

• up and outwards

• down and out wards

Multiple Choice

After heavy exercise, due to the accumulation of which substance we get muscle cramps ?

• Malic acid

• Oxalic acid

• lactic acid

Multiple Choice

Muscles can also respire anaerobically

• true

• false

Multiple Choice

Roots take up air from the air spaces present between the soil particles.

• true

• false

Multiple Select

insectes breathe through

• air holes

• spiracles

• moist skin

• lungs

Multiple Select

What does frog use for breathing

• skin

• lungs

• spiracles

• gills

Multiple Choice

Which of these is not used for breathing by plants?

• Holes in bark of the tree

• stomata

• through roots

• though fruits

• none of the above

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