CBSE Class 8 Science Crop Production And Management Worksheet

Read and download free pdf of CBSE Class 8 Science Crop Production And Management Worksheet. Students and teachers of Class 8 Science can get free printable Worksheets for Class 8 Science Chapter 1 Crop Production and Management in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 8 students should practice questions and answers given here for Science in Class 8 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 8 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 8 Science Chapter 1 Crop Production and Management

Class 8 Science students should refer to the following printable worksheet in Pdf for Chapter 1 Crop Production and Management in Class 8. This test paper with questions and answers for Class 8 will be very useful for exams and help you to score good marks

Class 8 Science Worksheet for Chapter 1 Crop Production and Management

Very Short Type Answer Questions :

Question. What are weeds?
Answer : Unwanted plants which grow along with crops are called weeds.

Question. Define crop.
Answer : Plants of same kind that are grown and cultivated at one place on large scale is called a crop.

Question. What is ploughing?
Answer : Loosening of soil is done by plough and this practice is also called ploughing or tilling.

Question. What do you understand by manures?
Answer : Manures are organic substances obtained from the decomposition of plants and animal wastes which provides lot of humus to the soil. It is very important for the healthy growth of plants.

Question. Name the bacteria which fix atmospheric nitrogen.
Answer : Rhizobium bacteria

Question. What is irrigation?
Answer : The supply of water to crops at different intervals is called irrigation.

Question. Classify crops on the basis of seasons in which they are grown.
Answer : On the basis of season in which crops are grown they are classified into: Rabi crops and Kharif crops.

Question. What do you understand by fertilisers?
Answer : Fertilisers are chemical substances which are rich in particular nutrients like nitrogen, phosphorus and potassium, they are produced in factories. example: urea, NPK, ammonium sulphate etc.

Short Type Answer Questions :

Question. What is crop rotation? How it helps in replenishment of the soil?
Answer : Crop rotation is the practice of growing a series of different types of crops in the same area in sequential seasons. Growing the same type of in the same place for many years in a row disproportionately depletes the soil of certain nutrients. With rotation, a crop that leaches the soil of one kind of nutrient is followed during the next growing season by a dissimilar crop that returns that nutrient to the soil or draws a different ratio of nutrients: for example, rice followed by cotton.

Question. Describe various methods of agricultural practices involved in crop production and management.
Answer : Preparation of soil by tilling and levelling .
i.Sowing of seeds into prepared soil
Ii.Adding manure and fertilisers for replenishment and enrichment of soil and healthy growth of crops
iii. The supply of water to crops at appropriate interval called as irrigation
iv. protecting from weeds by using weedicides
v. Harvesting of crops by machines
vi. Proper storage to protect them from harmful effects of pests and microorganisms

Q1. Fill ups:

1. ___________ compete with main crops for nutrients.

2. Grains are separated from harvested crops by using _________ & ________

3. Excess water in the fields may cause a condition called________________.

4. ____________ bacteria lies in the root nodules of leguminous plants helps in fixing of atmospheric nitrogen.

5. Bulk storage of grains is done in ____________& ___________.

6. The produced crop is stored in different containers, after being sundried, to

prevent the attack of______________.

Q2. Name the following:

1. Equipment used to level the tilled land.______________

2. Process of leaving the land uncultivated for one or more seasons.___________

3. Management & care of domestic animals._____________

4. Man made chemical substance rich in inorganic nutrients.____________

5. Separation of grain from its chaff or husk after threshing with the help of wind.______________

6. An agricultural implement used to sow seeds.______________

7. The process of removing weeds from the field.______________

8. Organisms which cause damage to the crops & make them unfit for human consumption.______

Q3. Match the following:
1. Harvesting       (a) Rabi
2. Wheat             (b) Fertilizer
3. Grass              (c) Agricultural implement
4. Irrigation         (d) Sickle
5. Urea               (e) Weed
6. Plough            (f) Drip system

Q4. Choose the correct option:

1. Which of the following is/are post harvesting technique(s)?
(a) Winnowing
(c) Storage of food grains
(b) Threshing
(d) All of these

2. NPK fertilizers contains
(a) Nitrogen ,Potassium & Calcium
(c) Nitrogen, Phosphorus& Potassium
(b) Nitrogen, Potassium & Phosphorus
(d) Nitrogen, Phosphorus &Keratin

3. Manual removal of weeds is done by:
(a) Trowel
(c) Insects
(b) Weedicides
(d) Tilling

4. Major source of water in fields is:
(a) River
(c) Ponds
(b) Tube wells
(d) Rainfall

Q5. What is crop rotation?

Q6. Why organic manure is considered better than chemical fertilizer?

Q7. What precautions should be taken care while storing harvested grains?

Q8. List some advantages of preparing soil.

Q9. A farmer was using lot of fertilizers for the improvement of his produce from the field. List any two harmful effects of fertilizers on environment.
How will you convince him to restrict the use of fertilizers?

1) In which season Rabi crop is grown.
a) Winter
b) Rainy season
c) Summer
d) Autumn Season.

2) When healthy seeds are dipped in water, seeds
a) Sink in water
b) Float in water
c) Neither sink nor float
d) All of these.

3) Which one is used to store grains on large scale.
a) Jute bags
b) Silos
c) Metallic bins
d) All of these.

4) Write cropping pattern for the following crops (Rabi / Kharif)

a) Paddy, Maize, soyabeen, goundnuts ______________

b) Wheet, gram, peas, mustard, Alsi ______________.

5) Sources of Irrigation. (Any four)

6) Write one word for following sentences.

a) Undesirable plants which are grown along with crop _____________.

b) To turn the soil and loosen it. _______________.

c) Bacteria present in roots of leguminous plants _______________.

d) Rearing of animals at large scale ___________________.

7) Differences between fertiliser and manure.

Fertilizer Manure

1 .................................. 1 ..................................

2 .................................. 2 ..................................

8) Identify following figures (as traditional of method of irrigation)
Rahat, Chain pump, Moat, Dhekli

""CBSE-Class-8-Science-Crop-Production-And-Management-Worksheet-Set-B

9) Complete following table.
Food Source
Milk .............. ................ ...................
Meat .............. ................ ...................
Eggs .............. ................ ...................

10) Match the column A to Column B.

""CBSE-Class-8-Science-Crop-Production-And-Management-Worksheet-Set-B-1

""CBSE-Class-8-Science-Crop-Production-And-Management-Worksheet-Set-B-2

Chapter 01 Crop Production and Management
CBSE Class 8 Science Crop Production And Management Worksheet
Chapter 02 Microorganisms: Friend or Foe
CBSE Class 8 Science Micro Organisms Friend And Foe Worksheet
Chapter 03 Synthetic Fibres and Plastics
CBSE Class 8 Science Synthetic Fibers And Plastics Worksheet
Chapter 04 Materials Metals and Non-Metals
CBSE Class 8 Science Materials Metals And Non Metals Worksheet
Chapter 07 Conservation of Plants and Animals
CBSE Class 8 Science Conservation Of Plants And Animals Worksheet
Chapter 08 Cell Structure and Functions
CBSE Class 8 Science Cell Structure And Functions Worksheet
Chapter 10 Reaching the Age of Adolescence
CBSE Class 8 Science Reaching The Age Of Adolescence Worksheet
Chapter 14 Chemical Effects of Electric Current
CBSE Class 8 Science Chemical Effect Of Electric Current Worksheet
Chapter 17 Stars and the Solar System
CBSE Class 8 Science Stars And The Solar System Worksheet
Chapter 18 Pollution of Air and Water
CBSE Class 8 Science Pollution Of Air And Water Worksheet

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CBSE Class 8 Science Chapter 1 Crop Production and Management Worksheet

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Chapter 1 Crop Production and Management CBSE Class 8 Science Worksheet

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