CBSE Class 7 Science Forests Our Lifeline MCQs Set A

Forests: Our Lifeline

Question. The item that is not a product of Forest
(a) Sealing Wax
(b) Honey
(c) Wooden statue
(d) Salt

Answer:  D

Question. The branchy part of a tree above the stem is known as
(a) Canopy
(b) Crown
(c) Herb
(d) Shrub 

Answer:  B

Question. A forest consists of 
(a) Numerous insects, spiders 
(b) Floor covered with dead and decaying leaves
(c) Animals and Plants
(d) All of the above

Answer:  D

Question. Find the missing word from the following equation Grass→insects→frog→_______→eagle
(a) Peacock
(b) Snake
(c) Koel
(d) Crow

Answer:  B

Question. Micro-organisms act upon the dead plants to produce
(a) Sand
(b) Mushrooms
(c) Humus
(d) Wood

Answer:  C

Question. Which of the following statements is not correct?
(a) Forests protect the soil from erosion
(b) Plants and animals in a forest are not dependent on one another
(c) Forests influence the climate and water cycle
(d) Soil helps forests to grow and regenerate

Answer:  B

Question. Forests
(a) Provide us with oxygen
(b) They protect soil and provide habitat to a large number of animals
(c) A source of medicinal plants
(d) All of the above

Answer:  D

Question. Mushroom and other micro-organismseat 
(a) Brinjal
(b) Rice
(c) Humus
(d) wax 

Answer:  C

Question. Forests are called 
(a) Green lungs
(b) Black skin 
(c) Red kidney
(d) Brown heart

Answer:  A

Question. Floods can be controlled by 
(a) Forests
(b) Constructing temporary shelters
(c) Constructing Pits
(d) By allowing the water to flow into the sea

Answer:  A

Question. Which among the following forest animals is the smallest?
(a) Fox
(b) Boar
(c) Bison
(d) Porcupine

Answer:  D

Question. Which one of the following is an animal product?
(a) Gum
(b) Catechu
(c) Honey
(d) Rubber

Answer:  C

Question. Arrange the following components of a food chain in proper sequence – grass, frog, eagle, insects, snake.
(a) Grass → insects → frog → snake → eagle.
(b) Grass → snake → insects → frog → eagle.
(c) Grass → snake → eagle → insects → frog.
(d) All are possible

Answer:  A

Question. Which of the following is influenced by forests?
(a) Temperature
(b) Climate
(c) Animals
(d) All of these

Answer:  D

Question. Cutting of tree on large scale is called
(a) Urbanization
(b) Industrialization
(c) Deforestation
(d) Aforestation

Answer:  C

Question. Which of the following is incorrect?
(a) The tropical rain forests support a wide variety of plants and animals.
(b) We find animals such as ape, bird Toucan, red eyed frogs etc. in the regions of tropical rain forests.
(c) The temperature range in the areas of tropical rain forests is15−40°C.
(d) None of the above is incorrect.

Answer:  C

Question. The branches of the tall trees look like a roof over the other plants in the forest is called a:
(a) humus
(b) canopy
(c) crown
(d) none of these

Answer:  D

Question. Which of the following statements is not correct:
(a) forests protect the soil from erosion.
(b) plants and animals in a forest are not depend on one another
(c) forests influence the climate and water cycle
(d) soil helps forests to grow and regenerate.

Answer:  B

Question. Greenhouse gases
(a) trap heat of the sun
(b) are green in colour
(c) do not trap heat of the sun
(d) smell foul

Answer:  A

Question. Which industry totally depends upon forest product?
(a) Agriculture
(b) Rubber industry
(c) Furniture industry
(d) Textile industry

Answer:  C

Question. Name the organism on which all animals depend for food.
(a) Humus
(b) Plants
(c) Insects
(d) Crops

Answer:  B

Question. Heavy rain may also damages the:
(a) roots
(b) soil
(c) humus
(d) none of these

Answer:  A

Question. In a food chain the first link is a green plant because they are
(a) widely distributed
(b) fixed at one place in soil
(c) photosynthetic
(d) more in number

Answer:  C

Question. Which of the following is a medicinal plant?
(a) Cinchona
(b) Orange
(c) Mango
(d) Peepal

Answer:  A

Question. Trees and vegetation act as wind breakers and prevents
(a) Dust storm
(b) Soil erosion
(c) Floods
(d) All of these

Answer:  B

Question. Micro-organisms eating dead bodies of plants and animals are called:
(a) scavengers
(b) herbivores
(c) decomposers
(d) none of these

Answer:  C

Question. Which of the following is an animal product?
(a) Rubber
(b) Catechu
(c) Gum
(d) Honey

Answer:  D

Question. Which of the following is not the name of a tree?
(a) Teak
(b) Sal
(c) Porcupine
(d) Kachnar

Answer:  C

Question. Microorganism that convert plants and animals dead parts into humus are called
(a) Producer
(b) Carnivores
(c) Herbivores
(d) Decomposer

Answer:  D

Question. Select the country that is the largest producer of fuel wood in the world.
(a) India
(b) China
(c) Russia
(d) Indonesia

Answer:  A

Question. The insects butterflies help flowering plant in:
(a) deforestation
(b) pollination
(c) humus
(d) none of these

Answer:  C

Question. Nutrients are replenished in the soil through:
(a) water
(b) plant roots
(c) humus
(d) all of these

Answer:  C

Question. Select the chain that contains primary consumers.
(a) Bird, rabbit, elephant
(b) Grass, parrot, snake
(c) Snake, hawk, tiger
(d) Bacteria, fungi, viruses

Answer:  A

Question. Which of the following produce food?
(a) Saprotroph
(b) autotrophs
(c) Heterotrophs
(d) Herbivores

Answer:  B

Question. In the absence of plants/trees/forests
(a) Global warming will be caused.
(b) Animals will not get food and shelter.
(c) Floods will be caused
(d) All the above are correct.

Answer:  D