Living Organisms - Characteristics and Habitats Test 7

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Living Organisms - Characteristics and Habitats Test 7

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Weekly Quiz Competition

Question 1
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Which is of the following is not exclusive only to living organisms?

A
Growth in size

B
Respiration

C
Reproduction

D
Excretion

Solution

Respiration, reproduction, and excretion are processes that are seen only in living organisms. However, growth in size is observed in certain non-living things as well such as clouds.
Hence, the correct option is A.
Question 2
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How does an organism obtain energy?

A
Food

B
Respiration

C
Both A and B

D
Excretion

Solution

The body obtains energy first by consumption of food and then by breaking them down through the process of respiration.
Hence the correct option is C.
Question 3
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Which is of the following is not a characteristic feature of aquatic plants

A
Short roots

B
Long slender stems

C
Ribbon shaped leaves

D
Long deep roots

Solution

Long and deep roots are characteristic features of desert plants.
Aquatic plants generally have short roots and slender stems. Leaves may be floating on the surface of water or may be submerged and ribbon like.
Hence the correct option is D.
Question 4
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Terrestrial Habitat is further divided into ____ types of habitats.

A
5

B
4

C
3

D
2
Solution
The natural home of an organism and its immediate surroundings is called habitat. It is defined as the natural environment of an organism, the type of place in which it is naturally living and growing. Terrestrial habitat is further classified into 4 types of habitats:
1. Desert habitat
2. Mountain habitat
3. Polar habitat
4. Forest and Grasslands
Thus, option B is correct.
Question 5
1 / -0

Response to stimuli is shown by

A
Plants

B
Animals

C
Non living objects

D
Both A and B

Solution

Stimuli are the sudden changes in the surrounding to which living organisms respond. Both plants and animals can respond to stimuli. However this characteristic is not shown by non living objects.
Hence the correct option is D.
Question 6
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Organisms can breathe through

A
Nostrils

B
Skin

C
Gills

D
All of the above

Solution

The organ of breathing may vary depending on the type of organism. Earthworms can breathe through the skin. Fish respire through gills. Humans have nostrils.
Hence the correct option is D.
Question 7
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Which of the following forms aquatic habitat?

A
River

B
Lakes

C
Ponds

D
All of the above

Solution

The natural home of an organism and its immediate surroundings is called habitat. It is defined as the natural environment of an organism, the type of place in which it is naturally living and growing. Seas, river, lakes and ponds forms aquatic type of habitat.
So, option D is correct.
Question 8
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The plants undergo excretion by

A
Storing the wastes

B
Secretions

C
Urine formation

D
Both A and B

Solution

The mechanisms of excretion in plants are a little different. Some plants find it possible to store the waste products within their parts in a way that they do not harm the plant as a whole. Some
plants remove waste products as secretions.
Hence the correct option is D.
Question 9
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The hiding of cockroach when light is switched on is an example of

A
Adaptation

B
Responding to stimuli

C
Respiration

D
None of these

Solution

The cockroach goes and hides when light is turned on. This is an example of the animal responding to sudden changes in the environment and these changes are called stimuli.
Hence the correct option is B.
Question 10
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Which one of the following pairs are correctly matched?

A
Aquatic habitat - Rivers, forests

B
Terrestrial habitat - Oceans, deserts

C
Aerial habitat - Grasslands, mountains

D
None of the above

Solution

The natural home of an organism and its immediate surroundings is called habitat. It is defined as the natural environment of an organism, the type of place in which it is naturally living and growing. Aquatic habitats include seas, oceans, rivers, lakes, and ponds. Terrestrial habitat includes deserts, mountains, cold regions, and forests/grasslands. The aerial habitat includes the sky and organisms surviving through the air are insects, birds, bats and butterflies.
Thus, no options are correctly matched with the given habitats, that is, option D is correct.

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Re-Attempt Weekly Quiz Competition

Living Organisms - Characteristics and Habitats Test 7

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SHARING IS CARING

Question 1

Growth in size

Respiration

Reproduction

Excretion

Solution

Question 2

Food

Respiration

Both A and B

Excretion

Solution

Question 3

Short roots

Long slender stems

Ribbon shaped leaves

Long deep roots

Solution

Question 4

5

4

3

2

Solution

Question 5

Plants

Animals

Non living objects

Both A and B

Solution

Question 6

Nostrils

Skin

Gills

All of the above

Solution

Question 7

River

Lakes

Ponds

All of the above

Solution

Question 8

Storing the wastes

Secretions

Urine formation

Both A and B

Solution

Question 9

Adaptation

Responding to stimuli

Respiration

None of these

Solution

Question 10

Aquatic habitat - Rivers, forests

Terrestrial habitat - Oceans, deserts

Aerial habitat - Grasslands, mountains

None of the above

Solution

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