Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

 Multiple Choice QuestionsMultiple Choice Questions

1.

Sulphur is an important nutrient for optimum growth and productivity in

  • pulse crops

  • cereals

  • fibre crops

  • fibre crops


A.

pulse crops

Sulphur is an important nutrient for optimum growth and productivity in

1110 Views

2.

Which one of the following elements is almost non-essential for plants?

  • Ca

  • Mo

  • Zn

  • Na


D.

Na

Which one of the following elements is almost non-essential for plants?


3.

The non- photosynthetic, non- symbiotic N2 fixing bacteria are

  • Rhodobacter

  • Spirillum

  • Azotobacter

  • All of these


C.

Azotobacter

The non- photosynthetic, non- symbiotic N2 fixing bacteria are


4.

Hydroponics is a

  • soilless culture

  • airless culture

  • waterless culture

  • none of these


A.

soilless culture

Hydroponics is a


5.

The plant ash is an indication of :

  • organic matter of plant

  • waste product

  • mineral salts absorbed by plants

  • none of these


C.

mineral salts absorbed by plants

The plant ash is an indication of :


6.

A metal ion involved in stomatal regulation is :

  • iron

  • potassium

  • zinc

  • magnesium


B.

potassium

A metal ion involved in stomatal regulation is :


7.

Assertion: Nitrogen-fixing bacteria in legume root nodules survive in oxygen-depleted cells of nodules.

Reason: Legheamoglobin completely removes oxygen from the nodule cells.

  • If both Assertion and Reason are true and Reason is the correct explanation of Assertion

  • If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

  • If Assertion is true but Reason is false

  • If both Assertion and Reason are false.


A.

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

Assertion: Nitrogen-fixing bacteria in legume root nodules survive in oxygen-depleted cells of nodules.

Reason: Legheamoglobin completely removes oxygen from the nodule cells.


8.

Hydroponics is

  • cultivation of plants in water

  • growth of plants towards water

  • growth of plants away from water

  • soil less cultivation of plants


D.

soil less cultivation of plants

Hydroponics is


9.

Which of the following element plays an important role in nitrogen fixation

  • Zinc

  • Molybdenum

  • Manganese

  • Copper


B.

Molybdenum

Which of the following element plays an important role in nitrogen fixation


10.

Lathyrism is caused by

  • dal

  • moth dal

  • khesari dal

  • Glycine


C.

khesari dal

Lathyrism is caused by