Plant Pathology MCQ Question and Answer | Agriculture MCQ Question Page-3 section-4

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21.
Cell 'A' with O.P. = 10 atm and T.P. = 5 atm. is contact with cell 'B' having O.P. = 15 atm. and T.P. = 12 atm. The flow of water will be

A. From A to B

B. Equal flow

C. From B and A

D. No flow

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22.
Amount by which water potential is reduced due to presence of solute is called

A. Solute potential

B. Matric potential

C. Pressure potential

D. None of these

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23.
Heterodera avenne is

A. Root knot nematode

B. Cyst nematode

C. Lesion nematode

D. Lance nematode

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24.
The availability of P₂O₅ is maximum at

A. Acidic

B. Alkaline

C. Neutral

D. None of these

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25.
'Fungi and Plant Diseases' was written by

A. B. B. Mundakur

B. R. Prasad

C. R. S. Singh

D. K. C. Mehta

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26.
Serological tests can't be used for detection of which of the following?

A. Viroids

B. Viruses

C. Fungi

D. None of these

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27.
All plant viruses (except cauliflower mosaic virus) contain

A. DNA

B. RNA

C. Both A and B

D. Either A or B

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28.
Single super phosphate is

A. Water soluble fertilisers

B. Citrate soluble fertilisers

C. Citrate insoluble fertilisers

D. Insoluble fertilisers

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29.
Percentage of radiant energy entering reaction site in photosynthesis which is converted into potential energy is

A. 10%

B. 35%

C. 20%

D. 42%

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30.
Most suitable form of N for flooded rice soil is

A. Ammonium

B. Nitrate

C. Amide

D. Gas

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Plant Pathology MCQ Question and Answer | Agriculture MCQ Question

21. Cell 'A' with O.P. = 10 atm and T.P. = 5 atm. is contact with cell 'B' having O.P. = 15 atm. and T.P. = 12 atm. The flow of water will be

Answer & Solution

22. Amount by which water potential is reduced due to presence of solute is called

Answer & Solution

23. Heterodera avenne is

Answer & Solution

24. The availability of P2O5 is maximum at

Answer & Solution

25. 'Fungi and Plant Diseases' was written by

Answer & Solution

26. Serological tests can't be used for detection of which of the following?

Answer & Solution

27. All plant viruses (except cauliflower mosaic virus) contain

Answer & Solution

28. Single super phosphate is

Answer & Solution

29. Percentage of radiant energy entering reaction site in photosynthesis which is converted into potential energy is

Answer & Solution

30. Most suitable form of N for flooded rice soil is

Answer & Solution

Read More Section(Plant Pathology)

21.
Cell 'A' with O.P. = 10 atm and T.P. = 5 atm. is contact with cell 'B' having O.P. = 15 atm. and T.P. = 12 atm. The flow of water will be

22.
Amount by which water potential is reduced due to presence of solute is called

23.
Heterodera avenne is

24.
The availability of P₂O₅ is maximum at

25.
'Fungi and Plant Diseases' was written by

26.
Serological tests can't be used for detection of which of the following?

27.
All plant viruses (except cauliflower mosaic virus) contain

28.
Single super phosphate is

29.
Percentage of radiant energy entering reaction site in photosynthesis which is converted into potential energy is

30.
Most suitable form of N for flooded rice soil is