Forests Our Lifeline Test

Result

Forests Our Lifeline Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

Seeping of rainwater takes place in

A
Forest floor

B
Understorey

C
Canopy

D
None of the above

Solution

Forest floor i.e. ground layers seep or absorb the rainwater through the soil and fills the empty spaces and cracks deep below the ground. Hence, Option "A" is correct.
Question 2
1 / -0

Which of the following type of plants has reduced crown?

A
Shrubs

B
Cactus

C
Mango tree

D
None of the above

Solution

The branchy part of the stem is flattened and small in cactus compared to shrubs and mango tree.
Option "B" is correct.
Question 3
1 / -0

Giant and tall trees forms the

A
Canopy

B
Understorey

C
Forest floor

D
None of the above

Solution

Branches of Giant and tall trees forms roof like layer in the forest known as Canopy.
Hence, Option "A" is correct.
Question 4
1 / -0

Humus can increase the

A
Soil fertility

B
Water supply

C
Minerals

D
None of the above

Solution

Humus retains moisture from the atmosphere and helps soil aeration, which increases soil fertility.
Hence, Option A is correct.
Question 5
1 / -0

Which of the following can be traced at the forest floor?

A
Humus

B
Herbs

C
Birds

D
Both A and B

Solution

Herbs and shrubs obtain nutrients from humus and dead decay from the ground in the forest floors, thus can easily be traced together in the forest.
Option D is correct.
Question 6
1 / -0

The decomposers in the forest perform

A
Production of the plants

B
Decomposition of the dead plants and animals

C
Breakdown of the forests

D
All of the above

Solution

Decomposers are saprotrophs, which decompose the organic remains of plants and animals by secreting extracellular digestive enzymes. Due to degradation of organic remains, decomposers are also called reducers. Heterotrophic bacteria and saprophytic fungi are the important organisms which usually act as decomposers. Thus, the correct answer is option B.
Question 7
1 / -0

Which of the forest layer shown in the diagram receives the maximum sunlight?

A
Emergent layer

B
Canopy layer

C
Understorey layer

D
All of the above
Solution
- The top layer of tall plants receives maximum sunlight. This layer is mentioned as an emergent layer in the diagram.
- The below plants in the canopy and understory region receive less amount of sunlight as compared to the emergent layer.
- The forest floor receives a minimum amount of sunlight.
Hence, Option "A" is correct.
Question 8
1 / -0

The microorganisms which convert dead and decay matter into humus are called

A
Carnivores

B
Omnivores

C
Decomposers

D
None of the above

Solution

The micro-organisms which convert the dead plants and animals to humus are known as decomposers.
Option C is corrrect.
Question 9
1 / -0

Which of the following plant helps to prepare medicine?

A
Amla

B
Neem

C
Tulsi

D
All of the above
Solution
Amla, Neem and tulsi have healing properties used to prepare medicines.
Amla is rich in vitamin c and other nutrients which are helpful in boosting immunity.
Neem have antibacterial properties which fights infections on the skin.
Tulsi, an herb is used to treat cough, asthma and other respiratory problems.
Hence, Option "D" is correct.
Question 10
1 / -0

Which of the following plant provides woods for construction?

A
Sheesham

B
Bamboo

C
Wheat

D
Both A and B
Solution
- Sheesham produces rosewood, while bamboo produces wood. These are used for construction purpose.
- Wheat is consumed as food and not used for construction.
Hence, Option "D" is correct.

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Re-Attempt Weekly Quiz Competition

Forests Our Lifeline Test - 7

Result

Forests Our Lifeline Test - 7

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SHARING IS CARING

Question 1

Forest floor

Understorey

Canopy

None of the above

Solution

Question 2

Shrubs

Cactus

Mango tree

None of the above

Solution

Question 3

Canopy

Understorey

Forest floor

None of the above

Solution

Question 4

Soil fertility

Water supply

Minerals

None of the above

Solution

Question 5

Humus

Herbs

Birds

Both A and B

Solution

Question 6

Production of the plants

Decomposition of the dead plants and animals

Breakdown of the forests

All of the above

Solution

Question 7

Emergent layer

Canopy layer

Understorey layer

All of the above

Solution

Question 8

Carnivores

Omnivores

Decomposers

None of the above

Solution

Question 9

Amla

Neem

Tulsi

All of the above

Solution

Question 10

Sheesham

Bamboo

Wheat

Both A and B

Solution

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