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
Answer: (d) pesticides
Question 2.
The chemical substances rich in nutrients are called
(a) fertiliser
(b) weedicide
(c) pesticides
(d) herbicides
Answer
Answer: (a) fertiliser
Question 3.
Seed drill is used for
(a) harvesting
(b) cleaning the seed
(c) sowing
(d) weeding
Answer
Answer: (c) sowing
Question 4.
Rabi crop is harvested in
(a) January
(b) March
(c) October
(d) September
Answer
Answer: (b) March
Question 5.
Maize grow well during
(a) June
(b) January
(c) April
(d) September
Answer
Answer: (a) June
Question 6.
The agricultural instrument used for removal of weed is
(a) sickle
(b) khurpi
(c) seed drill
(d) plough
Answer
Answer: (b) khurpi
Question 7.
Transplantation of seedling is done in
(a) coffee
(b) cocoa
(c) rice
(d) mango
Answer
Answer: (c) rice
Question 8.
Compost is a
(a) manure
(b) fertiliser
(c) pesticide
(d) weedicide
Answer
Answer: (a) manure
Question 9.
Which simple tool is used to remove weeds?
(a) Sickle
(b) Plough
(c) Hoe
(d) Seed drill
Answer
Answer: (c) Hoe
Question 10.
Which instrument is used for spraying weedicides?
(a) Sprayer
(b) Cultivator
(c) Plough
(d) Combine
Answer
Answer: (a) Sprayer
Question 11.
The process of loosening of the soil is called
(a) tilling
(b) harvesting
(c) spraying
(d) weeding
Answer
Answer: (a) tilling
Question 12.
Which is pesticides?
(a) 2, 4-dichlorophenoxyacetic acid
(b) Malathion
(c) Metolachlor
(d) Chloroform
Answer
Answer: (b) Malathion
Question 13.
The soil matter formed by decayed organic matter is called
(a) pesticide
(b) fertiliser
(c) humus
(d) biocide
Answer
Answer: (c) humus
Question 14.
Supply of water to crops at appropriate intervals is called
(a) cultivation
(b) irrigation
(c) harvesting
(d) sowing
Answer
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
Answer: (b) threshing
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