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Plant Nutrition Practice Test Online Question Answer

Test Name Plant Nutrition Practice Test
Subject Biology
Test Type Mcqs
Total Question 20
Total Marks 40
Total Time 20
Test Help For
  • Biology For All Grades
  • General Knowledge
  • Everyday Science
  • CBSE Exam
  • Medical Admission Entrance Test
 

Plant nutrition is the study of the chemical elements and compounds necessary for plant growth, plant metabolism and their external supply. In 1972, Emanuel Epstein defined two criteria for an element to be essential for plant growth: in its absence the plant is unable to complete a normal life cycle.Plants absorb nutrients and water through their roots, but photosynthesis  the process by which plants create their fuel  occurs in the leaves. Get much more about such productive topic in form of Plant Nutrition Practice Test Online over here.

Plant Nutrition Practice Test Online Question Answer

Biology

1. Minerals of soil are derived from

Question 1 of 20

2. Deficiency of potassium in plant causes:

Question 2 of 20

3. Absence of magnesium from plant tissues results in:

Question 3 of 20

4. The last electron acceptor in ETS is made up of:

Question 4 of 20

5. Bacteria which changes protein to ammonia and termed as:

Question 5 of 20

6. The term ‘hydroponics’ was coined by:

Question 6 of 20

7. Which element is essential for photolysis of water?

Question 7 of 20

8. Leaf tip bending may be caused due to efficiency of:

Question 8 of 20

9. Indian soil is mainly deficient of:

Question 9 of 20

10. Exanthema in citrus is caused due to efficiency of:

Question 10 of 20

11. Critical elements are:

Question 11 of 20

12. Balancing elements are:

Question 12 of 20

13. Which of the following elements from the storage elements?

Question 13 of 20

14. Deficiency of Iron first appears in:

Question 14 of 20

15. Crop plants absorb carbon in form of:

Question 15 of 20

16. In the case of diseased plants small spots or streaks of dead tissue appear. The phenomenon is called:

Question 16 of 20

17. Nutrient which is essential for stomata’s opening is:

Question 17 of 20

18. Which of the following is required for synthesis of ascorbic acid oxidase?

Question 18 of 20

19. Silica is abundantly found in:

Question 19 of 20

20. They are protoplasmic elements:

Question 20 of 20


 

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