Maharashtra Board Class 5 EVS Solution Chapter 4 – Environmental Balance
Balbharati Maharashtra Board Class 5 EVS Solution Chapter 4: Environmental Balance. Marathi or English Medium Students of Class 5 get here Environmental Balance full Exercise Solution.
Std |
Maharashtra Class 5 |
Subject |
EVS |
Chapter |
4 |
Chapter Name |
Environmental Balance |
1.) What’s the solution?
We have to remove insects from the grain without using insecticides.
Ans:
The grain which we have to remove insects, we applying gamma ray on the grains or treatment of sunlight.
2.) Use your brain power!
Make up a food chain: Frog, kite, worm, snake, grass.
Ans:
Food chain is 1) Grass 2) worm 3) frog 4) Snake 5) Kite
3.) Answer the following questions.
(a) What is a food chain? Give an example of it.
Ans:
The living thing depends each other for their need. Due to this they form a chain like structure this is called as “food chain.”
The example of food chain is Grass – worm – frog – Snake – Kite
(b) How is the balance in the environment maintained?
Ans:
1) Living things use oxygen from the air for breathing and give out carbon dioxide gas.
2) Plants use the carbon dioxide from the air for making their food.
3) There are interaction amongst living things and between living and non-living things.
4) Various cycle in environment are going on without any problem or interrupt balance in the environment maintained.
4.) What substances in the soil are useful for the growth of plants?
Ans:
1) Micro-organisms, plant residue, dead animals, and excreta in the soil are useful for the growth of plants.
5.) True or false?
(a) Micro – organisms form a part of the environment.
Ans: True
(b) It is necessary to maintain biodiversity.
Ans:True
(c) A grasshopper eats birds.
Ans: False
Additional Questions and Answers:
1.) Answer the following questions
1) What is environment?
2) What is the food for a deer?
3) What is the food for a tiger?
4) Which is the main support of food chain?
5) What will happen in the food chain if one of the link is absent?
6) What is the food for plants?
7) Who helps with the process of decomposition?
8) How living things get continuous supply of water?
9) What do we take from air for breathing?
10) What do plants take from air for making food?
2.) Fill in the blanks
1) We take _______ from air for breathing.
2) Plants use _______ gas to make food.
3) Deer eats ______ to stay alive.
4) Tiger eats ______ to stay alive.
5) ______ helps the living beings with continuous supply of water.
6) Every living thing gets its food from the _______ .
7) The most important food in food chain is _______ .
8) _______ make their own food.
9) _______ helps to decompose waste products.
10) Frogs eat ______ .
3.) Write true or false
1) Living and non-living things are dependent on each other.
2) If one of the links of food chain is absent there would be no effect.
3) Deer hunts its pray to eat.
4) Plants make their own food.
5) Plants need oxygen to make their food.
6) Micro-organisms help with the process of decomposition.
7) The decomposed remains helps the soil with useful substances.
8) Living things get continuous supply of water from water cycle.
9) Tigers are most important food in food chain.
10) Humans eat plant and animal both.
4.) Match the columns
A | B |
Micro-organisms | Meat |
Deer | Rat |
Frog | Makes its own food |
Snake | Decomposition |
Tiger | Grass |
Plants | Needed to make food |
Oxygen | Insects |
Carbon dioxide | Breathing |
5.) Multiple choice questions
1) The food of dear –
a) Plants
b) Meat
c) Insect
d) All of the above
2) The food of tiger –
a) Plants
b) Meat
c) Insect
d) All of the above
3) Plants make food using –
a) Carbon dioxide
b) Water
c) Sunlight
d) All of the above
4) We use _____ to breath –
a) Carbon dioxide
b) Oxygen
c) Hydrogen
d) Helium
5) Continuous supply of water is provided by –
a) Water cycle
b) Lake
c) Pond
d) None of the above
6) Most important food in food chain is –
a) Insects
b) Birds
c) Plants
d) None of the above
7) Micro-organisms help with the process of –
a) Decomposition
b) Decontamination
c) Deforestation
d) None of the above
8) To remove insects from field without using pesticides –
a) Goat
b) Snake
c) Frog
d) Rabbit
9) Decomposed remains helps to –
a) Makes soil rich
b) Makes soil harmful
c) Makes soil polluted
d) Makes soil unable to use
10) What do you think maintaining food chain is –
a) Necessary
b) Unnecessary
c) Doubtful
d) Optional
Answers Section
1.) Answer the following questions
1) What is environment?
Answer – Environment is the surrounding and the conditions which affect the life of living beings
2) What is the food for a deer?
Answer – The food for a deer is plants.
3) What is the food for a tiger?
Answer – The food for a tiger is meat.
4) Which is the main support of food chain?
Answer –The main support of food chain is plant.
5) What will happen in the food chain if one of the link is absent?
Answer –If one of the link is absent, the food chain will collapse and the living beings would die.
6) What is the food for plants?
Answer – Plants make their own food.
7) Who helps with the process of decomposition?
Answer – Microorganisms helps with the process of decomposition.
8) How living things get continuous supply of water?
Answer –Living things get continuous supply of water from water cycle.
9) What do we take from air for breathing?
Answer – We take oxygen from air for breathing.
10) What do plants take from air for making food?
Answer – Plants take carbon dioxide from air for making food.
2.) Fill in the blanks
- We take oxygen from air for breathing.
- Plants use carbon dioxidegas to make food.
- Deer eats plants to stay alive.
- Tiger eats meat to stay alive.
- Water cycle helps the living beings with continuous supply of water.
- Every living thing gets its food from the environment.
- The most important food in food chain is plants .
- Plants make their own food.
- Micro-organismshelps to decompose waste products.
- Frogs eat insects .
3.) Write true or false
- Living and non-living things are dependent on each other.True
- If one of the links of food chain is absent there would be no effect.False
- Deer hunts its pray to eat.False
- Plants make their own food. True
- Plants need oxygen to make their food.False
- Micro-organisms help with the process of decomposition.True
- The decomposed remains helps the soil with useful substances.True
- Living things get continuous supply of water from water cycle.True
- Tigers are most important food in food chain.False
- Humans eat plant and animal both.True
4.) Match the columns
A | B |
Micro-organisms | Decomposition |
Deer | Grass |
Frog | Insects |
Snake | Rat |
Tiger | Meat |
Plants | Makes its own food |
Oxygen | Breathing |
Carbon dioxide | Needed to make food |
5.) Multiple choice questions
1) The food of dear –
a) Plants✔️
b) Meat
c) Insect
d) All of the above
2) The food of tiger –
a) Plants
b) Meat✔️
c) Insect
d) All of the above
3) Plants make food using –
a) Carbon dioxide
b) Water
c) Sunlight
d) All of the above✔️
4) We use _____ to breath –
a) Carbon dioxide
b) Oxygen✔️
c) Hydrogen
d) Helium
5) Continuous supply of water is provided by –
a) Water cycle✔️
b) Lake
c) Pond
d) None of the above
6) Most important food in food chain is –
a) Insects
b) Birds
c) Plants✔️
d) None of the above
7) Micro-organisms help with the process of –
a) Decomposition✔️
b) Decontamination
c) Deforestation
d) None of the above
8) To remove insects from field without using pesticides –
a) Goat
b) Snake
c) Frog✔️
d) Rabbit
9) Decomposed remains helps to –
a) Makes soil rich ✔️
b) Makes soil harmful
c) Makes soil polluted
d) Makes soil unable to use
10) What do you think maintaining food chain is –
a) Necessary✔️
b) Unnecessary
c) Doubtful
d) Optional