AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

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Andhra Pradesh AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious Textbook Exercise Questions and Answers.

AP State Syllabus 5th Class EVS Solutions Lesson 6 Every Drop is Precious

I. Conceptual Understanding:

Question 1.
What are the uses of rivers?
Answer:
Uses of Rivers:-

  1. Rivers are used for irrigation in agriculture.
  2. Drinking water.
  3. Used for transportation.
  4. To produce electricity through hydroelectric dams.
  5. Leisure activities like swimming and boating.

Question 2.
What are the tributaries of river Krishna?
Answer:
Tributary :
A river or stream flowing into a larger river or lake. Tributaries of river krishna:- Bhima, Gayatri, Ghataprabha. Koyna, Malaprabha, Munneru, Nira, palem Panchaganga, Tungabhadra, vemna, Wyra are the tributaries of river’ Krishna’.

Question 3.
Write a brief note on water pollution?
Answer:
Water Pollution:-
It is the contamination of water bodies, usually due to human activities. The chemical wastes from the industries and power stations causes large scale damage to the living organisms in water bodies. Polluted water is not usefull for drinking purpose. It may spread diseases like Typhoid, Cholera, Dysentery, Jaundice, Amoebiasis and Malaria.

AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

II. Questioning and Hypothesis:

Question 4.
What are the reasons for drying up of rivers? What are the reasons for drying up of rivers are.
Answer:

  1. Mainly because of climate change.
  2. Installation of dams.
  3. Use of river water for irrigation.

III. Experiments and field obsevations:

Question 5.
Collect samples of water from different water resources and discuss water is suitable for drinking.
Answer:
Student activity.

IV. Information skills and project work:

Question 6.
Collect information from people on how droughts or floods have affected their life?
Answer:
Droughts or floods affect the life of the people in the following way:

  1. All the fields will become non cultivable lands.
  2. There would not be water for agriculture and fodder for cattle
  3. It leads to starvation and death of cattle.
  4. Most of the families will migrate to other areas.

AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

V. Drawing Pictures and Model Making:

Question 7.
Make a poster on how to ” save water” and display in your class.
Answer:
Students activity

VI. Appreciation:

Question 8.
Write slogans on controlling the pollution of rivers?
Answer:

  1. “Think blue and go Green”
  2. “Change your water, change your life”.
  3. “The water you pollute will find its way back to you”.

Additional Questions:

I. Conceptual Understanding:

Question 1.
What is a dam? What are its uses?
Answer:
Dam:
A dam is a barrier constructed to hold the backwaters and to raise its level by forming a reservoir.
It is used to generate electricity and as water resource. It provides water for drinking, irrigation and power generation.

Other uses of dams:
Flood control, waste management river navigation, animal habitat, recreational facilities like boating, swimming etc.

Question 2.
Write a brief note on river krishna?
Answer:
It is the fourth largest river in India. It starts at mahabaleswar in the Western Ghats of Maharashtra. It is 1400kms long. It is also called Krishnaveni. It is one of the major sources of irrigation in Maharastra, Karnataka, Telangana and Andhra Pradesh. In AP it flows through Kumool, Guntur and Krishna districts. It merges in the Bay of Bengal.

AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

II. Mapping Skill:

Question 3.
Look at the AP Map and fill in the table given below.

AP Board 5th Class EVS Solutions 5th Lesson AEvery Drop is Precious 1

Answer:
Student activity.

III. Experiments and field observations:

Question 4.
Experiment in Pg – 54 with table fill in the table from your observations.

AP Board 5th Class EVS Solutions 5th Lesson AEvery Drop is Precious 2

Answer:
Student activity.

AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

Multiple Choice Questions:

Choose the correct answer:

Question 1.
________ are constructed to store water.
A) Dams
B) Reservoirs
C) Both A & B
D) None
Answer:
A) Dams

Question 2.
River Krishna originates at ________ of Maharashtra.
A) Bombay
B) Pune
C) Mahabaleswar
D) Shirdi
Answer:
C) Mahabaleswar

Question 3.
Which of the following have adverse effects on human life.
A) Droughts
B) Famine
C) Floods
D) All
Answer:
D) All

Question 4.
What is the source for water bodies.
A) rain
B) rivers
C) lakes
D) tanks
Answer:
A) rain

AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

Question 5.
Sir Arthur Thomas Cotton barrage is build across the river_______ at_______
A) Godavari,Vijayawada
B) Godavari, Dawleswaram
C) Krishna, Dawleswararn
D) Krishna, Vijayawada
Answer:
B) Godavari, Dawleswaram

Question 6.
________ is the largest multipurpose dam.
A) Nagarjuna Sagar Dam
B) Prakasam
C) Dawleswaram
D) None
Answer:
A) Nagarjuna Sagar Dam

Question 7.
Nagarjuna Sagar Dam was built in the year ________.
A) 1962
B) 1967
C) 1954
D) none
Answer:
B) 1967

Question 8.
Names of right and left canals of Nagarjuna sagar are ________ and ________.
A) Jawahar canal, Lai bahadur canal
B) Lal bahadur canal, Jawahar canal
C) Right canal, Jawahar canal
D) none
Answer:
B) 1967

AP Board 5th Class EVS Solutions 6th Lesson Every Drop is Precious

Question 9.
Prakasam barrage is built across the river ________.
A) Godavari
B) Penna
C) Krishna
D) None
Answer:
C) Krishna

Question 10.
________ is the first chief minister of combined AP state
A) Kandukuri Veeresalingam
B) Tanguturi Prakasam
C) Gandhi
D) None
Answer:
B) Tanguturi Prakasam