Plant Physiology Multiple Choice Objective Questions and Answers: Agriculture Competitive Exams


Introduction

Plant PhysiologyPlant Physiology is the study of inner activities of the plant. It is the ‘Body Functioning‘ of a plant, sometime, which can be noticed in the outer regions of the plant as an Indicator showing a plant’s body reaction as a result e. g., Physiological Dis-order.

Plant Physiology Multiple Choice Objective Questions and AnswersPlant Physiology is an important subject both in B. Sc. (Ag.) and M. Sc. (Ag.). Multiple Choice Objective Questions from this subject are included in various Agriculture Competitive Exams e. g., CET, JRF, ICAR and other Agriculture Entrance Exams of different countries.


NOTE: This page is updated every Friday (Morning). Number of questions in each update – 2 to 5.

Last Updated: 27/09/2019 at 08:23 am IST.

Number of Question Added #26-30.


PLANT PHYSIOLOGY MCQ’s

Question – #1. Which is a C4 plant?

(a). Soyabean.
(b). corn.
(c). pineapple.
(d). All of the above.

See Answer

Question – #2. Which is known as hatch-slack pathway?

(a). C2.
(b). C3.
(c). C4.
(d). Non of the above.

See Answer

Question – #3. Reverse Krebs Cycle is found in?

(a). Bacteria.
(b). Higher plants.
(c). C4 plants.
(d). Fungus.

See Answer

Question – #4. Cruciferous type stomata is?

(a). Anisocytic.
(b). Actinocytic.
(c). Animocytic.
(d). diacytic.

See Answer

Question – #5. Which is true for Plant harmone?

(a). It is produced by the plant in a specific site.
(b). It is produced in each plant cell.
(c). Both ‘a’ and ‘b’.
(d). Only ‘b’ is true.

See Answer

Question- #6. Which is true?

(a). Primary xylem is formed from the vascular cambium.
(b). Secondary xylem is formed from the procambium xylem.
(c). Both a and b.
(d). Non of the above.

See Answer

Question- #7. Vessel element is found in?

(a). Xylem .
(b). Phloem.
(c). Both a and b.
(d). Non of the above.

See Answer

Question- #8. Vessel member is found in?

(a). Xylem.
(b). Phloem.
(c). Chloroplast.
(d). Non of the above.

See Answer

Question- #9. Which is continuous source of water in C4 cycle?

(a). Only Xylem.
(b). Only phloem
(c). Vascular tissue which consists both xylem and phloem.
(d). Stoma.

See Answer

Question- #10. Which is true about carbon fertilization effect?

(a). Increased rate of photosynthesis.
(b). Decreased rate of photosynthesis.
(c). Increased rate of carbon fixation.
(d). Decreased rate of carbon fixation.

See Answer

Question- #11. In photosynthesis oxygen is considered as?

(a). Main product.
(b). By product.
(c). Waste product.
(d). Non of the above.

See Answer

Question- #12. Function of chloroplast includes?

(a). Amino acid synthesis.
(b). Fatty acid synthesis.
(c). Immune response in plants.
(d). All of the above.

See Answer

Question- #13. Hidden hunger in plant is…..?

(a). in which plant shows deficiency symptoms.
(b). in which plant doesn’t show deficiency symptoms.
(c). in which plant needs supply of essential nutrients.
(d). in which plant doesn’t need supply of essential nutrients.

See Answer

Question- #14. Total water uptake by the plants in active water absorption is?

(a). 5%.
(b). 4%.
(c). 3%.
(d). 6%.

See Answer

Question- #15. Theory of active osmotic water absorption was given by?

(a). Atkins.
(b). Preistley.
(c). Both a and b.
(d). Thimann and Kramer.

See Answer

Question- #16. Which is a CAM plant?

(a). Mango.
(b). Tamarind.
(c). Kiwifruit.
(d). Pineapple.

See Answer

Question- #17. Inducible CAM plants use the following cycle?

(a). C3.
(b). C4.
(c). CAM.
(d). All of the above.

See Answer

Question- #18. Malic acid is stored in vacuoles by?

(a). CAM plants.
(b). C4 plants.
(c). C3 plants.
(d). All of the above.

See Answer

Question- #19. Upright growth of stem is an example of?

(a). Positive geo tropism.
(b). Negative geotropism.
(c). Photo tropism.
(d). Auxi-tropism.

See Answer

Question- #20. Metabolic inhibitor anti-transpirant is?

(a). ABA.
(b). Aspirin.
(c). Both a and b.
(d). Silicon.

See Answer

Question- #21. The upward movement of water in plant is known?

(a). Ascent of sap.
(b). Ascent of water.
(b). Ascent of moisture.
(d). Ascent of liquid water.

See Answer

Question- #22. Root pressure theory was given by?

(a). Godlewaski.
(b). J. C. Bose.
(c). Stephan Hales.
(d). Boehm.

See Answer

Question- #23. In C4 plants photosynthetic rate is..?

(a). Higher.
(b). Lower.
(c). Both a and b.
(d). Ultra low.

See Answer

Question- #24. Capability of fixing the Co2 lost in respiration is found in?

(a). C4 plants.
(b). C3 plants.
(c). CAM plants.
(d). All of the above.

Question- #25. R. Q. value of succulents is?

(a). 0.9.
(b). 0.8.
(c). 0.6.
(d). Only 0..

See Answer

Question- #26. Who is known father of plant physiology?

(a). W. Kuntis.
(b). Funk.
(c). Fisher.
(d). Stephen hales.

See Answer

Question- #27. In germinating seeds sugar is present as?

(a). Maltose.
(b). Glucose.
(c). Galactose.
(d). Fructose.

See Answer

Question- #28. For stratification seed is treated with….?

(a). Moist seeds with Low temperature.
(b). Only low temperature.
(c). Only moist micro-environment.
(d). Warm and moist micro-environment.

See Answer

Question- #29. The term vernalization was given by?

(a). Chailakyan.
(b). Emerson.
(c). Lysenko.
(d). Lewis.

See Answer

Question- #30. Best method of applying mineral against mineral deficiency is?

(a). Foliar spray.
(b). Root zone application.
(c). Soil application.
(d). Fertigation.

See Answer



NOTE: This page is updated every Friday (Morning). Number of questions in each update – 2 to 5.

Last Updated: 27/09/2019 at 08:23 am, IST.

Number of Questions Updated: #26-30.



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