Plant Phisiology QUESTIONS

Exam NamePlant Phisiology QUESTIONS
DescriptionPlant Phisiology QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS
Exam TypeMASTER EXAM
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Question: In plant process of transpiration occur through-

Answer:All the areial part of plant


Question: Which one of the following gas comes out during Photosynthesis-

Answer:Oxygen


Question: In phostosynthesis -

Answer:Light energy is converted into chemical energy.


Question: First step of Photosynthesis is-

Answer:Activation of chlorophyll by sunlight


Question: An element present in chlorophyll-

Answer:Mg


Question: Process by which plant prepare their food is-

Answer:Photosynthesis


Question: Most of photosynthesis process occur in -

Answer:Blue and red region of light


Question: Role of chlorophyll in photosynthesis-

Answer:Absorption of light energy


Question: First compound which is fixed during photosynthesis is-

Answer:Glucose


Question: For the growth in length of plant which of the following is not essential-

Answer:Sodium


Question: Consider the following plants- 1. Bougainbillea 2. Carnations 3. Cocoa 4.Grapes
Which of these plants are propagated by stem cutting?


Answer:1,3 and 4


Question: Consider the following statements:- 1.Molasses is a by-product of Sugar production process 2.Bagasse obtained in the sugar mills is used as a fuel in the boilers to generate steam for factories. 3. Sugar can only be produced from sugar cane as the raw material. Which of these statements are correct?

Answer:1 and 2


Question: Consider the following statements-1. Sweet orange plant is propagated by grafting technique. 2. Jasmine plant is propagated by layering technique .
Which of the statement given above is/are correct?


Answer:Both 1 and 2


Question: Consider the following- 1.Camphor 2. Chicory 3. Vanilla.
Which of the above is/are plant product?


Answer:1,2 and 3


Question: Assertion (A) : Cellulose is used in making shatter proof glass.
Reason: (R) Polysacharides are not soluble in water.


Answer:Both A and R is true and R is correct explanation of A


Question: In plant body, the water and minerals are transported by-

Answer:Xylum


Question: With reference to the movement of molecules of fluid in plant, consider the following statements- 1. Diffusion is the movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration. 2. Osmosis is a process in which the water molecules move through a semipermeable membrane from the region of their lower concentration to the region of their higher concentration. Which of the above statements is/are correct?

Answer:Both 1 and 2


Question: The phenomenan by which water molecules move from a weaker solution to a stronger solution through a semipermeable-membrane is called:

Answer:Osmosis