Respiration in Organisms Test

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Respiration in Organisms Test - 12

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Weekly Quiz Competition

Question 1
1 / -0

Respiratory organs present in insects are ________.

A
Lungs

B
Tracheae

C
Skin

D
Gills

Solution

The respiratory system of insects is called tracheae. They have tiny openings called spiracles on the side of their body. These spiracles are connected to a network of tubes called tracheae that help in gaseous exchange.
A. Lungs are found in amphibians, reptiles, birds and mammals.
B. Tracheae are found in insects.
C. Respiration through skin occurs in some amphibians like frogs and is annelids like the earthworm.
D. Gills are found in fish and larvae of frogs.
Hence, the correct answer is 'B'.
Question 2
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Breathing is a process that
i) Provides $$O_2$$ to the body.
ii) Breaks down food to release energy.
iii) Helps the body to get rid of $$CO_2$$.
iv) Produces water in the cells.
Which of the following gives the correct combination of functions of breathing?

A
and (ii)

B
and (iii)

C
(i) and (iii)

D
(ii) and (iv)

Solution

Breathing is the process of inhaling oxygen into the body and exhaling carbon dioxide out of the body. It provides $$O_2$$ to the body and helps the body to get rid of $$CO_2$$.
Thus, the correct answer is option (c).
Question 3
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Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to

A
Take in oxygen from air.

B
Take in oxygen dissolved in water.

C
Absorb nutrients present in water.

D
Release waste substances in water.

Solution

Fish breathe with the help of gills. Gills help in taking dissolved oxygen from the water.
The correct answer is option (b),
Question 4
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In humans fine particles, penetrate deep into ________.

A
Brain

B
Heart

C
Lungs

D
Skin

Solution

Fine particles are primarily deposited deep into the small peripheral airways and the alveoli, which are the part of human lungs. Exposure to fine particles can cause short-term health diseases like, eye, nose, throat and lung irritation, coughing, sneezing, runny nose, etc.
So, the correct answer is option C.
Question 5
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Which of the following is correct about respiration in plants?

A
Respiration takes place only during day time.

B
Respiration takes place only during night.

C
Respiration takes place both during day and night.

D
Respiration takes place only when plants are not making food.

Solution

Respiration takes place both during day and night in plants to produce energy required by the plant for various other processes. Photosynthesis takes place only during the day.
So, the correct answer is option (c)
Question 6
1 / -0

In which of the following cellular respiration takes place?

A
Plants

B
Animals

C
Unicellular organisms

D
All of the above

Solution

Cellular respiration takes place in the cells of all organisms. Thus, Option D is correct.
Question 7
1 / -0

Human breathe out air which is rich in ______.

A
carbon dioxide

B
oxygen

C
Both A and B

D
None of the above

Solution

Human beings breathe out air which is rich in carbon dioxide. Option A is correct.
Question 8
1 / -0

The percentage of oxygen and carbondioxide in inhaled air is?

A
21% and 0.04%

B
16.4% and 4.4%

C
2% and 4%

D
6% and 4%

Solution

The percentage of oxygen and carbon dioxide during inhalation is 21% and 0.04% respectively. Option A is correct.
Question 9
1 / -0

Tiny air sacs where gas exchange occurs in the lungs are called _________.

A
Alveoli

B
Inhaling

C
Balloons

D
Bronchial Tubes

Solution

Alveoli are the tiny sac like structures where exchange of gases takes place. So, the correct answer is (A).
Question 10
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Which of the following is incorrect about gills?

A
Gills are projections of the skin in fishes.

B
Gills are well supplied with blood vessels for exchange of gases.

C
Gills in fish help them to use oxygen dissolved in water.

D
Gills in fish help them to use carbondioxide dissolved in water.

Solution

Gills in fish help them to use oxygen dissolved in water. Therefore, Option D is incorrect among the options given about Gills.

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Respiration in Organisms Test - 12

Result

Respiration in Organisms Test - 12

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SHARING IS CARING

Question 1

Lungs

Tracheae

Skin

Gills

Solution

Question 2

and (ii)

and (iii)

(i) and (iii)

(ii) and (iv)

Solution

Question 3

Take in oxygen from air.

Take in oxygen dissolved in water.

Absorb nutrients present in water.

Release waste substances in water.

Solution

Question 4

Brain

Heart

Lungs

Skin

Solution

Question 5

Respiration takes place only during day time.

Respiration takes place only during night.

Respiration takes place both during day and night.

Respiration takes place only when plants are not making food.

Solution

Question 6

Plants

Animals

Unicellular organisms

All of the above

Solution

Question 7

carbon dioxide

oxygen

Both A and B

None of the above

Solution

Question 8

21% and 0.04%

16.4% and 4.4%

2% and 4%

6% and 4%

Solution

Question 9

Alveoli

Inhaling

Balloons

Bronchial Tubes

Solution

Question 10

Gills are projections of the skin in fishes.

Gills are well supplied with blood vessels for exchange of gases.

Gills in fish help them to use oxygen dissolved in water.

Gills in fish help them to use carbondioxide dissolved in water.

Solution

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