Plant Pathology MCQ Question and Answer | Agriculture MCQ Question Page-3 section-9

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21.
High CO₂ concentration in leaf interior will cause

A. Stomatal opening

B. Stomatal closure

C. No effect on stomata

D. Stomata are destroyed

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22.
Select the disease(s) caused by Mycoplasma like organisms (MLO)

A. Brinjal little leaf

B. Rice yellow dwarf

C. Sugarcane grassy shoot

D. All of these

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23.
In endosperms of Maize and Pinus the ploidy levels are

A. Triploid in both

B. Triploid and haploid

C. Triploid and diploid

D. Diploid and triploid

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24.
Out of 38 ATP molecules produced per glucose, 32 ATP molecules are molecules are formed from NADH/FADH₂ in

A. Respiratory chain

B. Krebs cycle

C. Oxidative decarboxylation

D. EMP

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25.
The number of ATP molecules produced by electron transport system from Krebs cycle intermediates in a single turn is

A. 11

B. 12

C. 14

D. 16

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26.
Puccinia path in India is given by

A. Nagarajan & Joshi

B. Nagarajan & Singh

C. K. C. Mehta

D. Bulter

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27.
Leaf spot or tikka disease of groundnut is/are caused by

A. Cercospora arachidicola

B. Cercosporidium personatum

C. Both A and B

D. None of these

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28.
Bacterial disease are controlled by use of chemicals

A. Insecticide

B. Fungicide

C. Antibiotics

D. Viricides

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29.
Concentration of agar in pour plate technique is

A. 2%

B. 1%

C. 1.5%

D. 0.5%

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30.
CAM occurs in

A. Thin green leaves with reticulate venation

B. Thin green leaves with parallel venation

C. Thin coloured leaves

D. Fleshy green leaves

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Plant Pathology MCQ Question and Answer | Agriculture MCQ Question

21. High CO2 concentration in leaf interior will cause

Answer & Solution

22. Select the disease(s) caused by Mycoplasma like organisms (MLO)

Answer & Solution

23. In endosperms of Maize and Pinus the ploidy levels are

Answer & Solution

24. Out of 38 ATP molecules produced per glucose, 32 ATP molecules are molecules are formed from NADH/FADH2 in

Answer & Solution

25. The number of ATP molecules produced by electron transport system from Krebs cycle intermediates in a single turn is

Answer & Solution

26. Puccinia path in India is given by

Answer & Solution

27. Leaf spot or tikka disease of groundnut is/are caused by

Answer & Solution

28. Bacterial disease are controlled by use of chemicals

Answer & Solution

29. Concentration of agar in pour plate technique is

Answer & Solution

30. CAM occurs in

Answer & Solution

Read More Section(Plant Pathology)

21.
High CO₂ concentration in leaf interior will cause

22.
Select the disease(s) caused by Mycoplasma like organisms (MLO)

23.
In endosperms of Maize and Pinus the ploidy levels are

24.
Out of 38 ATP molecules produced per glucose, 32 ATP molecules are molecules are formed from NADH/FADH₂ in

25.
The number of ATP molecules produced by electron transport system from Krebs cycle intermediates in a single turn is

26.
Puccinia path in India is given by

27.
Leaf spot or tikka disease of groundnut is/are caused by

28.
Bacterial disease are controlled by use of chemicals

29.
Concentration of agar in pour plate technique is

30.
CAM occurs in