MCQ Crop Production Management Chapter 15 Class 9 Science

MCQ’s For All Chapters – Science Class 9th

1. There will be total 14 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Which of the following combination of crop will give maximum yield in mixed cropping?

Wheat + peanut

Oat + Rice

Wheat + maize

Wheat + millet

Question 1 of 14

2. Which irrigation system is more useful in the areas where canal flow is insufficient or irregular?

River lift system

Canal system

Tanks

Wells

Question 2 of 14

3. Which of the following is a weed?

Sudan grass

Cowpea

Parthenium

Linseed

Question 3 of 14

4. In mixed cropping, which two crops cannot be grown together?

Wheat and mustard

Wheat and maize

Sorghum and pigeon pea

Maize and urad bean

Question 4 of 14

5. Among the following which is not a macronutrient?

Copper

Phosphorus

Sulphur

Nitrogen

Question 5 of 14

6. How many nutrients that are essential for plant growth are supplied by soil?

Six

Twelve

Thirteen

Sixteen

Question 6 of 14

7. Among the following which is the major cause of crop failure in India?

Monsoon failure

Inadequate supply of fertilizers and manures

Pest attack

Soil conditions

Question 7 of 14

8. Which of the following nutrient is obtained from air by plants?

Potassium

Oxygen

Phosphorus

Nitrogen

Question 8 of 14

9. Which of the following nutrients are absorbed by plants in large quantities from soil?

Manganese

Iron

Zinc

Sulphur

Question 9 of 14

10. Which of the following is not considered as primary nutrient for plants?

Oxygen

Nitrogen

Phosphorus

Potassium

Question 10 of 14

11. Assertion : Inter cropping prevents pests.
Reason : Plant pests can be controlled biologically by their natural parasites and pathogens.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true.

Question 11 of 14

12. Assertion : Large schools of fish are located using satellites and echo sounders.
Reason : Radio signals help in increasing the fish yield

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true.

Question 12 of 14

13. Assertion : Fish and few other varieties of aquatic animals are used as food.
Reason : Fish and other varieties of seafood constitute good source of protein.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true.

Question 13 of 14

14. Assertion : Usage of manure is advantageous for our environment.
Reason : Manure contains chemical substances like nitrogen, phosphorus and potassium.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true.

Question 14 of 14

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