There are 8 multiple choice questions in this

1
There are 8 multiple choice questions in
this exercise. Answer by clicking on one
of the red letters (A, B, C, Or D). You
will get a feedback to your
response. Click on the button to go
to next question.
2
1. Weed control is particularly important in
rainfed pearl millet because A. of its long
duration. B. of slow initial growth. C. it
is shallow rooted crop. D. of severe
competition from grassy weeds.
3
2. The critical period of weed competition
in pearl millet crop. A. Sowing time B.
Flowering stage C. Grain filling stage
stage D. 2 to 4 weeks after sowing
4
3. When the first schedule for weed control
activity in pearl millet should start? A.
Before sowing B. Immediately after
germination C. After the seedlings are
established D. At flowering
5
4. An important parasitic weed in pearl
millet crop A. Cynodon B. Striga C.
Dodder D. Field bind weed
6
5. Efficient and effective weed control can
be achieved by A. manual weeding B. cultural
practices C. chemical control D.
appropriately combining any 2 or all 3 practices

7
6. One of the cultural practices to
minimize weed competition in pearl millet
crop. A. use organic manures B. apply
more phosphorus C. adopt good crop
rotation D. use high yielding variety
8
7. Use of chemicals (herbicides) to control
weeds should be based on A. using right
chemical B. know how to use the chemical C.
comparative advantage over manual weeding D.
all the 3 above
9
8. Can you identify the weed in the picture?
A. Xanthium strumarium
(Cocklebur) B. Leucas aspera
(Dronapushpi) C. Amaranthus spp.
(Pigweed) D. I do not know
10
9. Can you identify the weed in the picture?
A. Setaria spp. (Foxtail) B.
Cyperus rotundus (Purple nut sedge) C. Cynodon
dactylon (Bermuda grass) D. I do not know
11
Thank you for completing this exercise. Now
you may review this Module or select next Module
i.e. Module X from Course contents.
12
Your answer is not correct. The correct
answer is Weed control is particularly
important in rainfed pearl millet because of its
initial slow growth.
Back
13
Your answer is correct. Weed control is
particularly important in rainfed pearl millet
because of its initial slow growth.
Back
14
Your are right. The critical period of weed
competition in pearl millet crop is 2 to 4 weeks
after sowing.
15
Your answer is not correct. The correct
answer is The critical period of weed
competition in pearl millet crop is 2 to 4 weeks
after sowing.
16
Your are right. The first schedule for weed
control activity in pearl millet should start
even before sowing so that the germinated
seedlings will not face any weed competition.
Back
17
Your answer is not correct. The correct answer
is The first schedule for weed control
activity in pearl millet should start even before
sowing so that the germinated seedlings will not
face any weed competition.
Back
18
Your are right. Striga is an important
parasitic weed in pearl millet crop.
Back
19
Your answer is not correct. Cynodon and Field
Bind weed are important weeds in pearl millet but
they are not parasites. The correct answer
is Striga is an important parasitic weed in
pearl millet crop.
Back
20
Your answer is not correct. Dodder is a
parasitic weed but do not infest pearl millet
plants. The correct answer is Striga is an
important parasitic weed in pearl millet crop.
Back
21
Your are right. Efficient and effective weed
control can be achieved by combing appropriately
any 2 or all the 3 weed control practices.
Back
22
Your answer is not correct. The correct answer
is Efficient and effective weed control can be
achieved by combing appropriately any 2 or all
the 3 weed control practices.
Back
23
Your are right. Adopting a good crop rotation
practice is one of the cultural practices which
helps to minimize weed competition in pearl
millet crop.
Back
24
Your answer is not correct. The correct answer
is Adopting a good crop rotation practice is
one of the cultural practices which helps to
minimize weed competition in pearl millet crop.
Back
25
Your are right. Use of chemicals (herbicides)
to control weeds should be based on the
availability of right chemical, knowledge about
the use of that chemical, and after assessing the
comparative advantage over manual weeding.
Back
26
Your answer is partly correct. But, The
correct answer is Use of chemicals
(herbicides) to control weeds should be based on
the availability of right chemical, knowledge
about the use of that chemical, and after
assessing the comparative advantage over manual
weeding.
Back
27
Your are right. It is Amaranthus spp.
(Pigweed).
Back
28
Your answer is not correct This is Cocklebur.
Back
29
Your answer is not correct This is Leucas
aspera
Back
30
If you could not identify, The weed in the
picture is Amaranthus spp. (Pigweed), a common
weed in pearl millet crop.
Back
31
Your are right. It is Cyperus rotundus (Purple
nut sedge)
Back
32
Your answer is not correct This is Foxtail
millet
Back
33
Your answer is not correct Bermuda grass looks
like the one in this picture.
Back
34
If you could not identify, The weed in the
picture is Cyperus rotundus (Purple nut sedge), a
common sedge weed in pearl millet crop.
Back