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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)
In which of the following process, the light energy is converted into chemical energy
[A]
Digestive action
[B]
Respiration
[C]
Photosynthesis
[D]
Fermentation
(2)
Fixation of one CO2 molecule through Calvin cycle requires:
[A]
1 ATP and 2NADPH2
[B]
2ATP and 2NADPH2
[C]
3ATP and 2NADPH2
[D]
2ATP and 1NADPH2
(3)
Algae and other submerged plants bount in water during day time and sink at night, because
[A]
They come upto enjoy some time
[B]
They lose weight at night
[C]
They become bouyant due to accumulation of O2 as a result of photosynthesis
[D]
They become light due to food material accumulation
Answer: They become bouyant due to accumulation of O2 as a result of photosynthesis
(4)
Structurally, chlorophyll a and b are different as
[A]
Chl a has a methyl group and Chl b has an aldehyde group
[B]
Chl a has an aldehyde group and Chl b has a methyl group
[C]
Chl a has an ethyl group and Chl b has an aldehyde group
[D]
Chl a has a carboxyl group and Chl b has an aldehyde group
Answer: Chl a has a methyl group and Chl b has an aldehyde group
(5)
Chlorophyll in chloroplasts is located in
[A]
Grana
[B]
Pyrenoid
[C]
Stroma
[D]
Both grana and stroma
(6)
Photosynthesis is most active in
[A]
Sun light
[B]
Yellow light
[C]
Red light
[D]
Green light
(7)
The specific characteristic of C4-plants is:
[A]
bulliform cells
[B]
isobilateral leaf
[C]
kranz anatomy
[D]
parallel veins configuration
(8)
In the half-leaf experiment of photosynthesis, KOH solution is used because
[A]
It provides O2 to the leaf
[B]
It provides moisture to the leaf
[C]
It helps in CO2 fixation
[D]
It absorbs CO2
(9)
Which one occurs both during cyclic and noncyclic modes of photophosphorylation?
[A]
Involvement of both PS I and PS II
[B]
Formation of ATP
[C]
Release of O2
[D]
Formation of NADPH
(10)
It is only the green part of the plant, which takes part in
[A]
Respiration
[B]
Transpiration
[C]
Photosynthesis
[D]
Osmosis
(11)
Chlorophyll ‘a’ molecule at its carbon atom 3 of the Pyrrole ring II has one of the following:
[A]
methyl group
[B]
aldehyde group
[C]
carboxyl group
[D]
magnesium
(12)
During photochemical reaction of photosynthesis
[A]
liberation of O2 takes place
[B]
Formation of ATP and NADPH2 take place
[C]
Liberation of O2, formation of ATP, and NADPH2 takes place
[D]
Assimilation of CO2 takes place
Answer: Liberation of O2, formation of ATP, and NADPH2 takes place
(13)
Which of the following is not a significance of photosynthesis ?
[A]
Glucose synthesis for most of consumer
[B]
Increase in green house effect
[C]
Provides O2 for synthesis of ozone umbrella
[D]
Provides O2 for cell respiration
Answer: Increase in green house effect
(14)
During the process of photosynthesis the raw materials used are :
[A]
Glucose
[B]
Chlorophyll
[C]
Starch
[D]
CO2 and H2O
(15)
ADP + iP = ATP in grana is called :
[A]
Phosphorylation
[B]
Oxidative phosphorylation
[C]
Photophosphorylation
[D]
Photolysis
Answer: Photophosphorylation
(16)
For photosynthesis (i.e. for the synthesis of organic matter), the green plants need only
[A]
Light
[B]
Chlorophyll
[C]
CO2
[D]
All of these
(17)
For synthesis of a molecule of glucose, the requirement of ATP and NADPH is respectively
[A]
15 and 10
[B]
33 and 22
[C]
12 and 8
[D]
18 and 12
(18)
Formation of ATP in photosynthesis and respiration is an oxidation process which utilizes the energy from
[A]
Cytochromes
[B]
Ferredoxin
[C]
Electrons
[D]
Carbon dioxide
(19)
Grana refer to
[A]
Stacks of thylakoids in plastids of higher plants
[B]
A constant in quantum equation
[C]
Glycolysis of glucose
[D]
By-product of photosynthesis
Answer: Stacks of thylakoids in plastids of higher plants
(20)
Hill’s reaction takes place in
[A]
Dark
[B]
Light
[C]
Dark and light both
[D]
At any time
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