Our Environment Test

Result

Our Environment Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

In a food chain, the initial organism is usually:

A
Photosynthetic

B
Herbivore

C
Saprophytic

D
Parasitic
Question 2
1 / -0

If a grasshopper is eaten by a frog, then the energy transfer will be from:

A
Producer to decomposer

B
Producer to primary consumer

C
Primary consumer to secondary consumer

D
Secondary consumer to tertiary consumer
Question 3
1 / -0

In the following groups of materials, which group (s) contains only non-biodegradable items? (i) Wood, paper, leather (ii) Polythene, detergent, PVC (iii) Plastic, detergent, grass (iv) Plastic, Bakelite, DDT

A
(iii)

B
(iv)

C
(i) and (iii)

D
(ii) and (iv)
Question 4
1 / -0

Sahara Desert was formed over a period of time due to one of the following uncontrolled activities of man:

A
Excessive cutting down of forests and trees

B
Excessive killing of large herbivorous

C
Excessive killing of large carnivores

D
Excessive use of poisonous chemical called herbicides
Question 5
1 / -0

What percentage of sun's energy falling on the leaves of green plants is utilized by the plants in the process of photosynthesis and stored as chemical energy of food?

A
1 percent

B
10 percent

C
20 percent

D
99 percent
Question 6
1 / -0

The flow of energy in an ecosystem is always:

A
Unidirectional

B
Bidirectional

C
Cyclic

D
Multidirectional
Question 7
1 / -0

The excessive exposure of humans to ultraviolet rays result in: (i) Damage to immune system (ii) Damage to lungs (iii) Skin cancer (iv) Peptic ulcers

A
(i) and (ii)

B
(ii) and (iv)

C
(iii) and (iv)

D
(i) and (iii)
Question 8
1 / -0

Most of the water surface of a lake is covered with algae. This algae is a part of the food chain which also includes small fish, bird, larvae and big fish. Which of the following will obtain the maximum energy?

A
Big fish

B
Bird

C
Larvae

D
Small fish
Question 9
1 / -0

If the energy transferred to a tertiary consumer in a food chain is 10 J, how energy was available to the primary consumer?

A
100 J

B
500 J

C
1000 J

D
5000 J
Question 10
1 / -0

O₂ is converted into O₃ by the action of:

A
Infrared radiations

B
Ultraviolet radiations

C
Gamma radiations

D
Cosmic radiations

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Re-Attempt Weekly Quiz Competition

Our Environment Test - 2

Result

Our Environment Test - 2

Score

-

Rank

-

SHARING IS CARING

Question 1

Photosynthetic

Herbivore

Saprophytic

Parasitic

Question 2

Producer to decomposer

Producer to primary consumer

Primary consumer to secondary consumer

Secondary consumer to tertiary consumer

Question 3

(iii)

(iv)

(i) and (iii)

(ii) and (iv)

Question 4

Excessive cutting down of forests and trees

Excessive killing of large herbivorous

Excessive killing of large carnivores

Excessive use of poisonous chemical called herbicides

Question 5

1 percent

10 percent

20 percent

99 percent

Question 6

Unidirectional

Bidirectional

Cyclic

Multidirectional

Question 7

(i) and (ii)

(ii) and (iv)

(iii) and (iv)

(i) and (iii)

Question 8

Big fish

Bird

Larvae

Small fish

Question 9

100 J

500 J

1000 J

5000 J

Question 10

Infrared radiations

Ultraviolet radiations

Gamma radiations

Cosmic radiations

User

Question Analysis

My Perfomance

Score

-

Rank

-

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