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NCERT Class VIII Science Solutions: Chapter 1 - Crop Production and Management Part 1
MULTIPLE CHOICE QUESTIONS
Question 1:
Which one of the following condition is not essential to grow maize?
- High temperature
- Humidity
- Low temperature
- Rainfall
Answer: C
Question 2:
Propagation of ginger is generally done using
- Seed
- Stem (rhizome)
- Root
- Leaf
Answer: B
Question 3:
Which of the following statement is not true for organic manure?
- It enhances water holding capacity of soil.
- It has a balance of all plant nutrients.
- It provides humus to soil.
- It improves texture of soil.
Answer: B
Question 4:
The term used for the process of separation of grains from chaff is
- Sieving
- Threshing
- Winnowing
- Hand picking
Answer: C
Question 5:
Read the statements given below.
- Seeds require moisture for germination.
- Plants can absorb nutrients mostly in dissolved form.
- Irrigation protects crops from both frost and hot air currents.
- Irrigation improves soil texture.
Choose the combination of statements which indicate the need to irrigate crops.
- (i) and (ii)
- (i) , (ii) , (iii)
- (i) , (ii) , (iii) , (iv)
- (i) and (iii)
Answer: A
Question 6:
Which of the following tools would a farmer use to remove weeds from the field?
- Hoe
- Plough
- Axe
- Cultivator
Answer: A
Question 7:
Which of the following is not true for fertilisers?
- They increase the yield.
- Their excessive use disturbs the balance of nutrients in soil.
- They are generally used in small quantity.
- They are environment friendly.
Answer: D