Page 2 - Cl8-Bio_CBQ_CROP PRODUCTION AND MANAGEMENT[1]

herbicides or tillage to remove any weeds that try to grow in that region. Why do
farmers in this region manage soils in this way?
(a) Farmers put the half of their land to rest for minimising erosion and soil
degradation.
(b) Farmers discourage transpiration in the wheat plantation by allowing free
evaporation from the soil of the bare stripes.
(c) Farmers are allowing land to naturally regain the nutrients for one or more
seasons.
(d) All of these
7. Seen alongside are pictures of broadcasting method
and seed drill method of sowing seeds.
a) Which method ensures uniform distribution of
seeds and why?
b) Which method leads to seed wastage and poor
crop yield? Explain.
c) List one advantage of using the seed drill over
manual sowing.

8. (a) The cutting and gathering of crop after it has matured is called X. After this, grains
are separated from the crop by a process called Y. Z is the process of separating the
hay and chaff from the grains.Identify X, Y and Z and name one tools used in each
process.
(b) Draw a manual tool used in the process X?

9. A farmer wants to grow crops in his field between the months of June and July. The
chart alongside shows a list of crops and different
agricultural practices.
(a) Select two crops from the list that grow
best during June/July and why?
(b) Orgsnise the different agricultural
practices in a sequence to grow the crops
during June- July.

10. The mapof India depicts the jute producing states
in various colours.
Why do you think that jute growing areas are
restricted to only few states?