CURIOUSITY QUIZ: RESPIRATION IN ANIMALS

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Test Your knowledge on 'Respiration in Animals' prepared exclusively according to the NCERT curriculum of for Class-7 . Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your Score and the correct Answer by clicking the 'View score' button. Good Luck! (Although the quiz is primarily meant for Class-5, students from Class-6 to Class-10 can, however, participate and enjoy the fun of the quiz.)

Overview:

Respiration is the process by which animals release energy from food, taking in oxygen and using it to burn food, and then eliminating waste products such as water and carbon dioxide. Different animals have different modes of respiration:

Unicellular animals
Simple diffusion occurs via the cell membrane. For example, amoeba breathe through simple diffusion.
Earthworms and other soil animals
Use their skin to absorb oxygen from the air and expel carbon dioxide.
Aquatic animals
Gills extract dissolved oxygen from water and send it to the cells of the animal. Gills are special muscles that increase the surface area for gas exchange. They are found in arthropods, annelids, fish, and amphibians.
Insects
Have a respiratory system called the tracheal system, which consists of a network of small tubes that carries oxygen to the entire body. The tracheal system is made of a polymeric material called chitin.
Land animals
Have lungs. For example, humans, birds, lizards, dogs, and frogs have lungs

Now, attempt the quiz.

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Where in our body the respiratory and digestive passages cross?

1 point

Pharynx

Larynx

Epiglottis

None of the above

Clear selection

How do the frogs breathe during hibernation (Winter sleep)?

1 point

Through their nostrils

Through Spiracles

Through Trachea

Through their moist skin

Clear selection

How do an earthworm respire?

1 point

Through their nostrils

Through Spiracles

Through Trachea

Through their moist skin

Clear selection

What is the normal range of breathing rate , in and out, per minute for an average adult person at rest ?

1 point

15 to 25 times a minute

8 to 18 times a minute

15 to 28 times a minute

15 to 18 times a minute

Clear selection

Stomata are the breathing holes of the plants present on the leaf surface. Where are most breathing holes present on the leaf surface?

1 point

Upper surface

Lower Surface

Both Upper and Lower surface

Near the leaf margin

Clear selection

Fishes breathe through their :

1 point

Trachea

Nostrils

Gills

Pharynx

Clear selection

Which physical process plays a vital role in the respiration of unicellular organisms like Amoeba?

1 point

Osmosis

Diffusion

Reverse Osmosis

Dilution

Clear selection

The respiratory system of insects consists of a network of small tubes that carries oxygen to the entire body. This system is called :

1 point

Pharynx

Pulmonary system

Respiratory system

Tracheal system

Clear selection

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