AP 5th EVS Text book solution ::
Lesson 5 Agriculture
Improve Your learning ( Page No : 100)
I. Conceptual
Understanding:
1. What is cultivation?
Ans : The action of cultivating land is
called cultivation.
2. Is it good to use chemical fertilizers and pesticides? Why?
Ans:
It is not good to use chemical fertilizers and pesticides.
Indiscriminate use of chemical fertilizers and pesticides causes diseases like
cancer. It is also harmful to the environment.
3. What are the advantages
of preserving food grains?
Ans :
Advantages of preserving food
grains are to
1. Protect from rain.
2. Protect from insects, birds and
pests.
3. Use them throughout the year.
4. Donate to orphanages and ashrams
II. Questioning and
Hypothesis:
4. What questions would you ask a farmer in our
village to know about paddy cultivation?
Ans :
What are the steps involved in
cultivation?
Do the process of cultivation same for
different crops like paddy, cotton, mango?
Which tools are used by farmers in
cultivation?
What precautions we should take to get
good yield?
III. Experiments and field
observations:
5. Sow the seeds of coriander or fenugreek nut
in your garden at home. Observe the growth of the plants for two weeks. Measure
and record the height of the plant in your note book.
Ans:
I sow the seeds of fenugreek ( dill) in
my garden.
My observations are
- On 3rd day - Seeds sprouted (
Half cm in length)
- On 6th day - First leaves appeared ( height – 1 cm)
- On 9th day - Stem elongation
- On 12th day - Leaf growth, root development
- On 14th day - Full growth,
pod formation ( height is 3 – 4 cm)
IV. Information Skills
& Project Work:
6. Meet some farmers in your locality and
collect the following information and fill the table?
Ans :
1.
Ashok – Paddy
2.
Mohan rao – Banana
3.
Ranga Rao – Mango
4.
Krishna - Paddy
V. Drawing Pictures and
Model Making:
7. Draw and label life cycle of butterfly and
frog.
Ans :
VI. Appreciation:
8a. Grow micro greens of green gram, mustard,
black gram, millets, sesame etc., in paper cups and prepare delicious food
items with the help of your mother.
Ans :
Green gram : Dumplings,
Halwa, Dosa, Dhokla. Mustard - Pasta, Roasts, Pickles.
Black gram : chat,
Blackgram salad, Curry.
Millets : Upma, Jaava, Roti.
8b. Persons and institutions behind the rice we
eat in the given format.
Ans :
Additional Question in Lesson :
Page No: 78
Activity Arrange the stages of
cultivation in a sequential order
Think and Discus: ( Page : 80)
Are there any differences
in the process of cultivation of paddy and cotton?
Ans: Paddy requires abundant water
(flooded conditions) for most of its growth stage but Cotton requires
well-drained soil and moderate watering.
Think and Discus: ( Page : 82)
• Have you ever seen drip irrigation?
Why was that method adopted?
Ans: Yes , I have seen drip irrigation. Instead of wetting
the whole field surface, water is applied only to the plant root zone.
• What are the uses of
furrows? What happens if there are no furrows in fields?
Ans: Furrows are small channels used to
irrigate fields by carrying water between crop rows. Furrows are used to water row crops like
potatoes, tomatoes, corn and cotton. If
there are no furrows water is wasted and more water is supply for plants
• When you have little
water resources in your area, which irrigation method you adopt ?
Ans: When water resources are limited,
drip irrigation is a good irrigation method
• What are the water
saving methods of irrigation?
- Drip irrigation
- Use sprinklers
- Sore rain water
- Crop rotation
- Organic farming
• Is it good to use
machines for cultivation? Give reasons.
Ans: Yes, using machines for cultivation
can be beneficial because it can Reduce labor, Save time, Increase crop yields
and Improve land use
• List the tools which
farmers used in the olden days and at present?
Ans:
In olden days : hoes, spades, sickles,
digging sticks, and plows
In present days : Seed drills , Rakes, Sprayers, Balers, Agricultural
drones
• Name the hand tools used
by farmers in cultivation?
Ans: Axe , Hoe , Shovel , Sickle and
plough
Page No : 84
• How are agriculture and
animal rearing related to each other ?
Agriculture and animal rearing, also
known as animal husbandry, are closely related in several ways:
Both agriculture and animal husbandry
provide food for people
Crops are used as feed for livestock
Manure from animals fertilizes crops. The chemical composition of manure
varies by animal species and diet
Manure improves soil structure, water retention,
and drainage.
Think and Discus: ( Page : 86)
• If there are no
butterflies and bees, what will happen?
If there are no butterflies and bees ,
the process of pollination will be stopped. People will starve. Animals
we eat would also perish with
a reduced food supply.
• In the paddy field, you
may observe little fish like organisms. Are they real fish?
Ans : No, they are not fish. They are
the tadpoles. They grow and become frogs
Think and Discus: ( Page : 88)
• How does a farmer
protect his crops in your village?
Ans: Farmers use different ways to
protect crop damage are by incorporating integrated pest and insect management.
Spraying insecticides, pesticides help to minimize the crop damage by
controlling the insects and other pests
• Visit a nearby field.
List the insects and animals that damage the crop
Ans: Caterpillars , Grasshoppers, Spider
mites , Aphids, Cutworms , Birds , Rats , squirrels and snails
Page No: 90
• Do you know the
traditional storing methods of grains?
Ans: The traditional storing methods of
grains are metallic bins , storage baskets, pits , open timber platforms and
aerial storage.
Page No: 92
• Name the crop which is
cultivated in majority of the districts in Andhra Pradesh.
Ans: Rice ( Paddy) is cultivated in majority of the districts in
Andhra Pradesh.
Think and Discus: ( Page : 94)
• What are the crops cultivated in your village?
Ans: Rice , livestock and
cotton crops are cultivated in my
village
• What are the crops mentioned in the map?
Ans: Banana , rice, sweet orange , okra , turmeric , livestock,
sorghum and tomato
• List out the crops which grow in your district?
Ans : Rice and cotton
• What are the major crops
cultivated in our state?
Ans: Banana, rice, sweet orange, okra, turmeric,
livestock, sorghum and tomato
• Do you know which one is
a healthy food?
Ans: Greens , fruits, vegetables,
sprouts and fermented food like idly, dosa etc.
Page No: 96
• Who among the above eats
good food?
Ans: Kusuma
• You have read the eating habits of Sreenu, Kusuma and
Chandu. What do you eat daily, share it
with your friends?
Ans: I eat vegetables, fruits, eggs , chikki and ragi java
• Name the energy giving food items you eat at home
Ans: Rice , wheat , potatoes,
jaggery, sweet potatoes etc.
• What do you eat at home (Rice, Wheat or Jowar)?
Ans : Rice and wheat
• Name the food item you can prepare using the above food grains
Ans:
Rice: Biryani, tamarind rice, Pongal
Wheat: Chapati, poori, biscuits
Jowar: Upma , roti , java
Page No : 98
• Name the pulses you use at home.
Ans: Green gram, black gram, Bengal gram etc .. are the pulses we use
at home.
• What happens if you don’t take protein rich food like
pulses and cereals?
Ans: If we don’t take protein rich food, we will not grow stronger.
• How does the food help us to grow healthy?
Ans: The food we eat is the source of energy. The food we eat must
contain carbohydrates, proteins, fats, vitamins and minerals which help us to
grow healthy.
• Ragi sangati, Jonna Roti, Palli chikki are also
nutritious foods
Ans: Yes