Respiration in Organisms Test

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Respiration in Organisms Test - 13

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Weekly Quiz Competition

Question 1
1 / -0

Anaerobic respiration__________.

A
doesn't require CO2

B
doesn't require oxygen

C
requires oxygen

D
requires CO2

Solution

Organisms convert energy for their use in the absence of oxygen are called anaerobes. And this type of respiration which doesn't require oxygen is called Anaerobic respiration. Option B is correct.
Question 2
1 / -0

In roots, which are underground, take in oxygen from __________.

A
Soil

B
Bacteria

C
Root hairs

D
Air

Solution

Roots take up oxygen from the air spaces present between the soil particles. Option A is correct.
Question 3
1 / -0

The breakdown of _______ in the plant cells is similar to that in other living beings.

A
Glucose

B
Water

C
Light

D
All of the above

Solution

The breakdown of Glucose in the plant cells is similar to that in other living beings. Option A is correct.
Question 4
1 / -0

Rate of transpiration is low in______.

A
Water plants

B
Desert plants

C
Forest plants

D
All of the above

Solution

To save water in desert plants, transpiration takes place at night and rate of transpiration is low when compared to water and forest plants. Option B is correct.
Question 5
1 / -0

Which gas is needed in order to perform respiration at the cellular level?

A
Oxygen

B
Nitrogen

C
Carbon

D
Ozone

Solution

Cellular respiration occur using oxygen. Option A is correct.
Question 6
1 / -0

The gas-exchange surfaces of aquatic animals are

A
Tracheae

B
Spiracles

C
Gills

D
Lungs

Solution

Respiration of aquatic animals is a process wherein they obtain the oxygen from the water. The large aquatic animals have well developed gills which helps them in their respiratory function.
Therefore, the correct answer is option C.
Question 7
1 / -0

Which of the following situation is likely to cause muscle cramps?

A
Glucose $$\xrightarrow{Absence\, of\, Oxygen}\ $$ Lactic acid

B
Glucose $$ \xrightarrow{Oxygen}\, $$ Lactic acid

C
Glucose $$\xrightarrow{Absence\, of\, Oxygen}\ $$ Alcohol + CO$$_2$$

D
Glucose $$\xrightarrow{Oxygen}\, $$ CO$$_2$$ + H$$_2$$O
Solution
During exercise, the breathing rate increases to get more oxygen into the body which is transferred to the blood in the lungs. Heart rate increases to pump more blood around the body but, during hard exercise, the body is unable to supply sufficient oxygen to the muscle cells. This results in anaerobic respiration.
During anaerobic respiration (absence of oxygen) incomplete breakdown of glucose occur resulting in the formation of lactic acid.
The buildup of lactic acid in muscles causes fatigue and results in cramps.
Thus, the correct answer is option A.
Question 8
1 / -0

In respiration:

A
Chlorophyll synthesises food From carbon dioxide and water in the presence of sunlight.

B
Oxygen absorbed from air or Water is made to combine with carbon dioxide to produce food.

C
Chlorophyll absorbs oxygen from air or water and releases carbon dioxide.

D
Oxygen is absorbed from air or water and made to combine with food and carbon dioxide is released.
Solution
Correct option - D
The explanation for correct option -
Respiration is the inhalation of oxygen and exhalation of carbon dioxide. It is the process by which cells use oxygen to break down sugar and in return get energy.
Thus physiologic respiration is required to sustain cellular respiration ( both are different ). Thus we say that in respiration oxygen is absorbed from air or water and made to combine with food and carbon dioxide is released.
Question 9
1 / -0

______ has no blood but can respire.

A
Cockroach

B
Hydra

C
Snail

D
Earthworm

Solution

In animals, three main types of respiratory systems exist: respiration through the skin, respiration through the gills or respiration through internal air structures. Respiration through the skin, as in the Hydra, involves the passing of molecules into and out of the body via diffusion. Aquatic animals use gills, which are structures composed of tissues and blood vessels that extend from the body, for their respiration needs. Most terrestrial animals use internal air structures, such as lungs or tracheae, to respire. Cockroach, snail and earthworm has blood.
Therefore, the correct answer is option B.
Question 10
1 / -0

Usain Bolt, an Olympic runner, at the end end of a 100 meter sprint, will have more of which of the following in his muscles?

A
ATP

B
Alcohol

C
Lactic acid

D
Carbon dioxide

Solution

Usain Bolt is an Olympic runner and his muscles perform the continuous activity while running the marathon. During this phase, there is an accumulation of lactic acid in the muscles due to the anaerobic respiration performed by the skeletal muscle cells in the absence of oxygen.
Thus, the correct answer is option C.

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Re-Attempt Weekly Quiz Competition

Respiration in Organisms Test - 13

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Respiration in Organisms Test - 13

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SHARING IS CARING

Question 1

doesn't require CO2

doesn't require oxygen

requires oxygen

requires CO2

Solution

Question 2

Soil

Bacteria

Root hairs

Air

Solution

Question 3

Glucose

Water

Light

All of the above

Solution

Question 4

Water plants

Desert plants

Forest plants

All of the above

Solution

Question 5

Oxygen

Nitrogen

Carbon

Ozone

Solution

Question 6

Tracheae

Spiracles

Gills

Lungs

Solution

Question 7

Glucose $$\xrightarrow{Absence\, of\, Oxygen}\ $$ Lactic acid

Glucose $$ \xrightarrow{Oxygen}\, $$ Lactic acid

Glucose $$\xrightarrow{Absence\, of\, Oxygen}\ $$ Alcohol + CO$$_2$$

Glucose $$\xrightarrow{Oxygen}\, $$ CO$$_2$$ + H$$_2$$O

Solution

Question 8

Chlorophyll synthesises food From carbon dioxide and water in the presence of sunlight.

Oxygen absorbed from air or Water is made to combine with carbon dioxide to produce food.

Chlorophyll absorbs oxygen from air or water and releases carbon dioxide.

Oxygen is absorbed from air or water and made to combine with food and carbon dioxide is released.

Solution

Question 9

Cockroach

Hydra

Snail

Earthworm

Solution

Question 10

ATP

Alcohol

Lactic acid

Carbon dioxide

Solution

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