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.

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

41.

Briefly exlpain protein carrier molecules

443 Views

42. What is Plant nutrition ?

136 Views

43. Write a note on symbiotic nitrogen fixation.

272 Views

44. Whiptail of cauliflower is caused by the deficiency of which element ?

193 Views

45. Write the various natural methods involved in the replenishment of the soil fertility.

162 Views

46. Deficiency of zinc causes which disease in cereals ?

135 Views

Artificial methods That restore the fertility of soil are :

(1) By adding farm yard manure or animal excreta to the soil.

(2) By adding fertilizers, manure.

(3) By green manuring.

(4) By crop rotation.

(5) By controlling over-grazing.

156 Views

48. List the criteria for essentiality of elements.

3472 Views

49. Why do plants need potassium and magnesium ?

137 Views

50. Explain chlorosis and give its cause. Describe the role of copper.

152 Views