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Free download in PDF Photosynthesis in Higher Plants Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Which of the following statements is/are correct related to Dark Reaction:
I. The process involves fixation and reduction of carbon dioxide in the stroma of the chloroplast.
II. Light is necessary for the reaction.
III. It is also known as Calvin Cycle.
Options are:
[A]
Both I and II are correct
[B]
Both II and III are correct
[C]
Both I and III are correct
[D]
All I, II and III are correct
Answer: Both I and III are correct
(2)
What do you understand by NADP?
[A]
It is an enzyme
[B]
It is a co-enzyme
[C]
A part of s-RNA
[D]
A part of t-RNA
(3)
Which of the following statements is/are correct about Light Reaction:
I. In this reaction light energy is absorbed by chlorophyll pigments and converted into chemical energy.
II. Energy is stored in the form of ATP
III. NADPH2 is generated
Options are:
[A]
Both I and II are correct
[B]
Both I and III are correct
[C]
Only II is correct
[D]
All I, II and III are correct
Answer: All I, II and III are correct
(4)
Photosynthesis is :
[A]
An Oxidation-Reduction reaction
[B]
Synthesis reaction
[C]
Organic reaction
[D]
Replacement reaction
Answer: An Oxidation-Reduction reaction
(5)
The process of taking in CO2 by plants and releasing O2 is termed as
[A]
Transpiration
[B]
Respiration
[C]
Photosynthesis
[D]
Endosmosis
(6)
How many turns of Calvin cycle yield one molecule of glucose?
[A]
Eight
[B]
Two
[C]
Six
[D]
Four
(7)
The function of ATP in photosynthesis is the transfer of energy from the
[A]
Dark reaction to the light reaction
[B]
Light reaction to the dark reaction
[C]
Chloroplasts to mitochondria
[D]
Mitochondria to chloroplasts
Answer: Light reaction to the dark reaction
(8)
Which enzyme is most abundantly found on earth?
[A]
Catalase
[B]
Rubisco
[C]
Nitrogenase
[D]
Invertase
(9)
Photosynthesis is an oxidation reduction process, the materials that is oxidised is
[A]
CO2
[B]
NADP
[C]
H2O
[D]
PGA
(10)
Which one of the following is represented by Calvin cycle?
[A]
Reductive carboxylation
[B]
Oxidative carboxylation
[C]
Photophosphorylation
[D]
Oxidative phosphorylation
Answer: Reductive carboxylation
(11)
Respiration and photosynthesis both require
[A]
Green cells
[B]
Sunlights
[C]
Cytochromes
[D]
Organic fuel
(12)
Photosynthetically active radiation (PAR) represents which of the following range of wavelength?
[A]
340-450 nm
[B]
400-700 nm
[C]
450-950 nm
[D]
500-600 nm
(13)
In plants during the process of photosynthesis
[A]
CO2 is taken in
[B]
O2 is taken in
[C]
CO2 is taken out
[D]
O2 is taken in and CO2 is given out
(14)
Which range of wavelength (in nm) is called photosynthetically active radiation (PAR)?
[A]
400-700
[B]
760-10,000
[C]
100-390
[D]
390-430
(15)
Which one of the following statements about cytochrome P-450 is wrong?
[A]
It is a colored cell
[B]
It is an enzyme involved in oxidation reaction
[C]
It has an important role in metabolism
[D]
It contains iron
Answer: It is a colored cell
(16)
Discovery of Emerson effect has already shown the existence of :
[A]
Two distinct photosystems
[B]
Light and dark reactions of photosynthesis
[C]
Photophosphorylation
[D]
Photorespiration
Answer: Two distinct photosystems
(17)
The concentration of CO2 in the atmosphere is approximately
[A]
0.003%
[B]
0.03%
[C]
0.30%
[D]
3.00%
(18)
What is common between chloroplasts, chromoplasts and leucoplasts?
[A]
Storage of starch, proteins and lipids
[B]
Possession of thylakoids and grana
[C]
Presence of pigments
[D]
Ability to multiply by a fission-like process
Answer: Ability to multiply by a fission-like process
(19)
During ATP synthesis electron pass through
[A]
Water
[B]
Cytochromes
[C]
O2
[D]
CO2
(20)
Greatest producers of organic matter are
[A]
Crop plants
[B]
Forests
[C]
Plants of the land area
[D]
Phytoplankton of oceans
Answer: Phytoplankton of oceans
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