Wednesday, 24 February 2021

CBSE Class 8 Science - MCQ and Online Tests - Unit 1 - Crop Production and Management

CBSE Class 8 Science – MCQ and Online Tests –  Unit 1 – Crop Production and Management

Every year CBSE students attend Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standards’ subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

These online tests are based on latest CBSE syllabus. While attempting these, our students can identify their weak lessons and continuously practice those lessons for attaining high marks. It also helps to revise the NCERT textbooks thoroughly


CBSE Class 8 Science – MCQ and Online Tests –  Unit 1 – Crop Production and Management

Choose the correct option in the following questions:

Question 1.
BHC (Benzene hexachloride) is a
(a) weedicide
(b) fertiliser
(c) fungicide
(d) pesticides


Answer: (d) pesticides

Question 2.
The chemical substances rich in nutrients are called
(a) fertiliser
(b) weedicide
(c) pesticides
(d) herbicides


Answer: (a) fertiliser

Question 3.
Seed drill is used for
(a) harvesting
(b) cleaning the seed
(c) sowing
(d) weeding


Answer: (c) sowing

Question 4.
Rabi crop is harvested in
(a) January
(b) March
(c) October
(d) September


Answer: (b) March

Question 5.
Maize grow well during
(a) June
(b) January
(c) April
(d) September


Answer: (a) June

Question 6.
The agricultural instrument used for removal of weed is
(a) sickle
(b) khurpi
(c) seed drill
(d) plough


Answer: (b) khurpi

Question 7.
Transplantation of seedling is done in
(a) coffee
(b) cocoa
(c) rice
(d) mango


Answer: (c) rice

Question 8.
Compost is a
(a) manure
(b) fertiliser
(c) pesticide
(d) weedicide


Answer: (a) manure

Question 9.
Which simple tool is used to remove weeds?
(a) Sickle
(b) Plough
(c) Hoe
(d) Seed drill


Answer: (c) Hoe

Question 10.
Which instrument is used for spraying weedicides?
(a) Sprayer
(b) Cultivator
(c) Plough
(d) Combine


Answer: (a) Sprayer

Question 11.
The process of loosening of the soil is called
(a) tilling
(b) harvesting
(c) spraying
(d) weeding


Answer: (a) tilling

Question 12.
Which is pesticides?
(a) 2, 4-dichlorophenoxyacetic acid
(b) Malathion
(c) Metolachlor
(d) Chloroform


Answer: (b) Malathion

Question 13.
The soil matter formed by decayed organic matter is called
(a) pesticide
(b) fertiliser
(c) humus
(d) biocide


Answer: (c) humus

Question 14.
Supply of water to crops at appropriate intervals is called
(a) cultivation
(b) irrigation
(c) harvesting
(d) sowing


Answer: (b) irrigation

Question 15.
The process of separation of grain from the chaff after harvesting is known as
(a) tilling
(b) threshing
(c) spraying
(d) weeding


Answer: (b) threshing



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