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Forests: Our Lifeline (Class - VII)

Covers forest ecology including forest structure, canopy layers, plant-animal relationships, food chains, ecosystem functions, and environmental benefits of forests for Class VII students.

13 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The shaded forest floor provides habitat for the growth of mosses and lichens.
b. The branchy part of a tree above the stem is known as the canopy of trees.
c. The horizontal layers present at different heights below the canopy are known as under-storeys.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 2 Multiple Choice (Single Answer)

Which of the following statements is/are false about the trees in a dense forest?

a. Tall trees like cedars form a canopy.
b. Herbs form the lowest layer of the under-storey.
c. If forests disappear, the amount of hydrogen in the air will increase, resulting in global warming.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 3 Multiple Choice (Single Answer)

Which of the following trees is not found in a forest?

  1. Teak
  2. Shisham
  3. Cactus
  4. Palash
  5. Bamboo
Question 4 Multiple Choice (Single Answer)

What is the approximate percentage of area covered under forests in India?

  1. 10 percent
  2. 42 percent
  3. 29 percent
  4. 21 percent
  5. 35 percent
Question 5 Multiple Choice (Single Answer)

Most of the medicines are obtained from plants. The cure for malaria is obtained from the bark of __________ plant.

  1. penicillium
  2. cinchona
  3. alfalfa
  4. blueberry
  5. eucalyptus
Question 6 Multiple Choice (Single Answer)

Which of the following is the correct food chain?

  1. Grass - Frog - Grasshopper - Snake - Hawk
  2. Grass - Grasshopper - Snake - Frog - Hawk
  3. Grass - Grasshopper - Frog - Hawk - Snake
  4. Grass - Grasshopper - Frog - Snake - Hawk
  5. Grass - Grasshopper - Hawk - Snake - Frog
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Plants prevent soil erosion by water or wind.
b. Certain plants like legumes enrich soil fertility.
c. The survival of all the living things is independent of each other.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 8 Multiple Choice (Single Answer)

Animals that eat dead animals are called scavengers. Which of the following is not a scavenger?

  1. Raccoon
  2. Blow fly
  3. Hyena
  4. Crab
  5. Earthworm
Question 9 Multiple Choice (Single Answer)

In which of the following ways do animals depend upon plants?

a. Animals depend upon plants for food.
b. Animals depend upon plants for oxygen.
c. Animals depend upon plants for shelter.

  1. Only a
  2. Only a and b
  3. Only a and c
  4. Only b and c
  5. a, b and c
Question 10 Multiple Choice (Single Answer)

In which of the following ways is/are plants not dependent on animals?

a. For seed dispersal
b. For pollination
c. For oxygen

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Which of the following is/are the use(s) of forests?

  1. Forests are the main source of food.
  2. Forests help in regulating the balance of carbon dioxide and oxygen in the atmosphere.
  3. Forests control noise pollution.
  4. Forests prevent soil erosion by water and wind.
  5. All of the above
Question 12 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Decomposers break down the organic matter of dead organisms into simple nutrients in the soil.
b. A forest is a dynamic living entity as it consists of living organisms of different kinds performing different roles.
c. Many food chains are present in the forests, but these food chains are not interconnected.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 13 Multiple Choice (Single Answer)

Match the following:

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Types of plants Examples
a. Herb 1. Oleander
b. Shrub 2. Mint
c. Creeper 3. Sunflower
  1. a - 3, b - 1, c - 2
  2. a - 3, b - 2, c - 1
  3. a - 1, b - 2, c - 3
  4. a - 1, b - 3, c - 2
  5. a - 2, b - 1, c - 3
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