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Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Next
There are 7 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 back to the question) or button(to go to the next screen/question).
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Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
1. Sorghum is the _____ most important cereal crop in the world after wheat, maize, rice, and barley.
A. second
B. third
C. fourth
D. fifth
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Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
2. The low average yields of sorghum in India is primarily due to
A. often prolonged dry spells during sorghum growing season.
B. poor yielding capability of sorghum.
C. sorghum being grown in black soils.
D. the crop is grown as an intercrop.
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Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
3. In general, insect pests cause ----- crop loss in sorghum.
A. 10 to 20%
B. 50 to 60%
C. 80 to 90%
D. I am not sure
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Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
4. The losses caused by insect pests like ------ are enormous.
A. aphids and jassids
B. shoot fly, stem borer, and midge
C. thrips and jassids
D. I am not sure.
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Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
5. Which type of roots in the picture supply nutrients to sorghum plants.
Next
Click on the picture you think is the right one.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
6. Midge infestation in sorghum can be avoided by
A. growing sorghum hybrids
B. growing local varieties
C. growing similar maturity types
D. I am not sure.
Next
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
7. Which picture shows physiologically mature sorghum grain.
Next
Click on the picture you think is the right one.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Thank you for completing this exercise.
Now you may review this Module or select next Module i.e. Module II from Course contents.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer is not correct.
The correct answer is:
Sorghum is the fifth most important cereal crop in the world after wheat, maize, rice, and barley.
Crop Area Production(Million ha) (Million MT)
Wheat 218 624Rice 153 608
Maize 145 705Barley 57 155
Sorghum 44 60
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
You are right.
Sorghum is the fifth most important cereal crop in the world after wheat, maize, rice, and barley.
Crop Area Production(Million ha) (Million MT)
Wheat 218 624Rice 153 608
Maize 145 705Barley 57 155
Sorghum 44 60
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your are right.
The low average yields of sorghum in India is primarily due to often prolonged dry spells during sorghum growing season.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer is not correct.
The correct answer is:
The low average yields of sorghum in India is primarily due to often prolonged dry spells during sorghum growing season.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your are right.
In general, insects cause 10-20% crop loss in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer of such high crop loss could be correct if shoot fly infestation in sorghum is high.
The correct answer is:
In general, insects cause 10-20% crop loss in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
If you are not sure, here is the answer:
The correct answer is:
In general, insects cause 10-20% crop loss in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your are right.
The losses caused by insect pests like shoot fly, stem borer, and midge are enormous in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer is not correct.
The correct answer is:
The losses caused by insect pests like shoot fly, stem borer, and midge are enormous in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
If you are not sure, here is the answer.
The losses caused by insect pests like shoot fly, stem borer, and midge are enormous in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
You are right.
The adventitious roots shown in the picture are the ones which supply nutrients to sorghum plants.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer is not correct.
The buttress roots only provide anchorage to sorghum plants.
The correct answer is:
The adventitious roots shown in the bottom picture are the ones which supply nutrients to sorghum plants.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
You are right.
Midge infestation in sorghum can be avoided by growing similar maturity types of sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer is not correct.
The correct answer is:
Midge infestation in sorghum can be avoided by growing similar maturity types of sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
If you are not sure, here is the answer:
Midge infestation in sorghum can be avoided by growing similar maturity types of sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
You are right
The dark spot in sorghum grain in the picture indicate physiological maturity in sorghum.
Virtual Academy for the Semi Arid Tropics
Course on Insect Pests of Sorghum
Module I
About Sorghum
Your answer is not correct.
The sorghum grain in the top picture is yet to reach the physiological maturity.
The correct answer is:
The dark spot in sorghum grain in the bottom picture indicate physiological maturity in sorghum.
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