Page 1 - Cl8-Bio_CBQ_CROP PRODUCTION AND MANAGEMENT[1]

SAI International School
Subject – Biology, Class-VIII
Topic- Crop Production and Management
Competency Based Worksheet

SL. No Question
1. Consider the following statements and select the option which correctly identifies true
(T) and false (F) ones.
(i) Kharif crops are grown in the winter season between October and March.
(ii) Drip irrigation is very useful for areas having a shortage of water.
(iii) Manures are mineral specific as they provide all the minerals needed by plant.
(iv) Broadcasting of seeds is done by
(a) (i)(ii)(iii)(iv)
T F F F
(b) (i)(ii)(iii)(iv)
F T F F
(c) (i)(ii)(iii)(iv)
T T F F
(d) (i)(ii)(iii)(iv)
F T F T

2. Which of the following tools is used for loosening and turning the soil?
a) Seed drill
b) Hoe
c) Sprinkler
d) Sickle
3. Ravi observed that plants in his garden were not growing well despite regular
watering. Which agricultural practice is likely missing?
a) Weeding
b) Irrigation
c) Sowing
d) Manuring
4. Why is it important to remove weeds from crop fields?
a) They provide support to crops
b) They protect crops from animals
c) They compete with crops for nutrients and sunlight
d) They help retain soil moisture
5. A farmer used urea excessively in his field, which resulted in wilting of plants. What
could be the best explanation for this?
a) Excess urea promotes flowering too soon
b) Urea attracts pests
c) Excess salts from urea make the soil toxic
d) Urea reduces photosynthesis
e) Both (A) and (C)
6. The semi-arid plains of a particular region show a pattern of alternating yellow and
black stripes on the ground. The yellow stripes consist of land covered by ripening
wheat. The black stripes are bare soil on which no crop is grown but farmers use