Punjab State Board PSEB 5th Class EVS Book Solutions Chapter 18 Water – Basis of Agriculture Textbook Exercise Questions and Answers.
PSEB Solutions for Class 5 EVS Chapter 18 Water – Basis of Agriculture
EVS Guide for Class 5 PSEB Water – Basis of Agriculture Textbook Questions and Answers
Textbook Page No. 118
Activity 1
Take a plastic bottle. Cut that from the bottom. Do not remove its lid. Make a hole in the lid. Now tie it with the stem of the tree keeping it upside down. Fill it with water from the top. You will see that the plant is being watered by the drops falling from the bottle.
Answer:
Do it yourself.
Textbook Page No. 119
Activity 2
Ask the old people, which crops were grown in the old days.
Answer:
Do it yourself.
Textbook Page No. 121
Question 1.
Fill in the blanks :
(i) In the first week of July is celebrated.
(ii) The chief crop of Rabi is
(iii) is the main crop of Kharif.
(iv) The production capacity of earth has increased by using
(v) are used for irrigation in Southern India.
Answer:
(i) Van Mahotsav,
(ii) wheat,
(iii) Rice,
(iv) crop rotation,
(v) Ponds.
Question 2.
Tick (✓) the right and cross (✗) the wrong sentences :
(i) Rainfall is the oldest source of irrigation.
(ii) Wheat is a Kharif crop.
(iii) Farming of Paddy is a sign of danger for Punjab.
(iv) Crops can be grown without water.
(v) Emphasis should be laid on variety of crops.
Answer:
(i) T,
(ii) F,
(iii) T,
(iv) F,
(v)T.
Question 3.
Tick (✓) for the correct answers:
(i) In which month is Van Mahotsav celebrated?
(a) June
(b) July
(c) August
Answer:
(b) July
(ii) Which one of the following is the ancient source of irrig ation?
(a) Tubewell
(b) Well
(c) Ponds
Answer:
(b) Well
(iii) What is the main source of irrigation in Punjab?
(a) Tubewells
(b) Canals
(c) Ponds
Answer:
(a) Tubewells
(iv) Which crop consumes much water?
(a) Jowar
(b) Bajra
(c) Paddy
Answer:
(c) Paddy
(v) Which crop consumes less water?
(a) Sugarcane
(b) Gram
(c) Cotton
Answer:
(b) Gram
Question 4.
Write the name of the ancient sources of irrigation.
Answer:
Rain, well, canals, rivers.
Textbook Page No. 122
Question 5.
Write the names of modern sources of irrigation.
Answer:
Tubewells, ponds, canals, drip system, fountain system.
Question 6.
Write the name of two types of crops on the basis of seasons.
Answer:
Rabi crops – wheat, oats, gram, mustard.
Kharif crops- rice, jawar, bajra, jute, cotton.
Question 7.
Write the names of much water consuming crops.
Answer:
Rice, sugarcane.
Question 8.
Write the names of less water consuming crops.
Answer:
Gram (chick pea), bajra (pearl millet), Guar (cluster bean) etc.
Question 9.
What will happen without water? –
Answer:
Water is very essential for life. Without water human beings, animals, plants etc. all forms of life will come to an end.
Question 10.
What are the reasons of groundwater depletion?
Answer:
Following are the reasons of lowering of the water table :
- A large increase in the number of tubewells.
- Misuse and wastage of water.
- Deforestation causes less rain.
- All the Kutcha ground is being covered by cement, marble etc. So rain water cannot seep into the ground.
- Use of polythene which is preventing rain water to go into the ground.
Question 11.
What are the suggestions to control the groundwater depletion?
Answer:
- We should grow crops which consume less water.
- We should use less wood for buildings and furniture in its place use other materials.
- We should plant more trees.
- We should adopt Rain water harvesting system.
- More emphasis should be laid on the crop rotation
- Good habits should be developed to use water wisely.
- The people should be made aware not to waste water.
PSEB 5th Class EVS Guide Water – Basis of Agriculture Important Questions and Answers
Question 1.
Tick (✓) the correct option :
(i) is not Rabi crop :
(a) Wheat
(b) Oats
(c) Maize
(d) Mustard.
Answer:
(c) Maize
(ii) Kharif crop is :
(a) Jowar
(b) Maize
(c) Jute
(d) All
Answer:
(d) All
2. Answer in one/two lines :
Question 1.
Name ancient methods of irrigation.
Answer:
Wells, rivers, canals etc.
Question 2.
Name modern methods of irrigation.
Answer:
Tubewell, pond, canal, drip and fountain system.
Question 3.
Name rabi crops.
Answer:
Wheat, mustard, oat, gram.
Question 4.
Name kharif crops.
Answer:
Rice, maize, jute, cotton etc.
3. Fill in the blanks :
(i) Van Mahotsava is celebrated in every year.
(ii) Plants are also
(iii) is used to draw water from under the ground.
(iv) We should adopt system and fountain system of irrigation.
Answer:
(i) July,
(ii) living,
(iii) Tubewell,
(iv) drip.
4. True/False
(i) Drip system is used to save water.
(ii) There are four types of crops according to season.
(iii) Wheat is a kharif crop.
(iv) Rabi crop is grown in Nove-mber.
Answer:
(i) T
(ii) F
(iii) F
(iv) T.
Question 5.
Match the following column :
(A) – (B)
(i) Wheat – (a) Kharif
(ii) Maize – (b) Rabi
(iii) Ancient methods of irrigation – (c) Drip irrigation
(iv) Modem methods of irrigation – (d) well
Answer:
(i) (b)
(ii) (a)
(iii) (d)
(iv) (c)
6. Mind Map :
Answer:
7. Answer in five/six lines :
Question 1.
What are the effects of groundwater depletion?
Answer:
- There will be dearth of drinking water.
- There will be drought and forests will dry up.
- Crops will not grow and there will be famine.
- Water sources will dry up and animals will die of thirst.
Question 2.
Why is cultivation of paddy, alarming bell for Punjab?
Answer:
Paddy crop needs a lot of water, and we are using more and more of underground water. The water table under the ground is going down. That is why cultivation of paddy is alarming bell for Punjab.