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Photosynthesis In Higher Plants

210 Questions Start Allen Test
All Exams Allen Errorless
Q26 Allen 1. INTRODUCTION TO HOW MANY PIGMENTS ARE INVOLVED IN PHOTOSYNTHESIS MCQ
Which one of the following categories of organisms do not evolve oxygen during photosynthesis ?
A.
Red algae
B.
Photosynthetic bacteria
C.
C₄-plants with Kranz anatomy
D.
Blue green algae
Q27 Allen 1. INTRODUCTION TO HOW MANY PIGMENTS ARE INVOLVED IN PHOTOSYNTHESIS MCQ
The site for dark reaction of photosynthesis is:
A.
Stroma
B.
Grana thylakoid
C.
Intergranal thylakoid
D.
Mitochondria
Q28 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Discovery of Emerson effect has shown the existence of :-
A.
Two distinct photosystems
B.
Light and dark reactions of photosynthesis
C.
Photophosphorylation
D.
Photorespiration
Q29 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Wavelength of light responsible for Emerson's enhancement effect :-
A.
only 680 nm
B.
only 680 nm↓
C.
infra red wavelength
D.
Both 680 nm and more than 680 nm
Q30 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
The process of photo-phosphorylation take place in :-
A.
Chloroplast
B.
Ribosomes
C.
Mitochondria
D.
Cell-wall
Q31 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
In pigment system-I, reaction centre is :-
A.
P-600
B.
P-680
C.
P-700
D.
P-720
Q32 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Which of the following is the site of photolysis of water ?
A.
Stroma of chloroplast
B.
Cristae of chloroplast
C.
Ribosome of chloroplast
D.
Lumen surface of thylakoid membrane
Q33 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
The first step in photosynthesis is :-
A.
Joining of three carbon atoms to from glucose
B.
Formation of ATP
C.
lonization of water
D.
Excitement of an electron of chlorophyll by a photon of light.
Q34 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
The product of light reaction is :-
A.
ATP & NADPH(H⁺)
B.
NADPH(H⁺) & glucose
C.
Only ATP
D.
O₂ & glucose
Q35 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Which one of the following concerns with photophosphorylation ?
A.
$A D P + A M P \xrightarrow { \mathsf { L i g h t } } A T P$
B.
ADP + Organic PO₄ Light→ ATP
C.
ADP + Inorganic $P O _ { 4 } \xrightarrow { \mathsf { L i g h t } } \mathsf { A T P }$
D.
AMP + Inorganic $P O _ { 4 } \xrightarrow { \mathsf { L i g h t } } \mathsf { A T P }$ BPP037
Q36 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
During photochemical reaction of photosynthesis.
A.
liberation of $\mathsf { O } _ { 2 }$ takes place
B.
Formation of ATP and $N \mathsf { A D P H } _ { 2 }$ take place
C.
Liberation of $\begin{array} { r } { { { 0 } _ { 2 } } , } \end{array}$ formation of ATP, and NADPH₂ takes place
D.
Assimilation of $\complement 0 _ { 2 }$ takes place
Q37 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Which of the following is excited molecule during photosynthesis ?
A.
Chlorophyll
B.
Oxygen
C.
Carbon dioxide
D.
Water
Q38 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
During splitting of ${ \sf H } _ { 2 } { \sf O } ,$ H⁺ is ultimately captured by :-
A.
Chlorophyll
B.
NADP
C.
$\mathsf { O } _ { 2 }$
D.
Cytochrome
Q39 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
At the time of splitting of ${ \sf H } _ { 2 } { \sf O } ,$ which initially captures the electron :-
A.
Chlorophyll
B.
NADP
C.
OH−
D.
Cytochrome
Q40 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
In cyclic photophosphorylation which one of the following is formed?
A.
NADP & ATP
B.
ATP
C.
NADH + H⁺ and ${ { 0 } _ { 2 } }$
D.
NADPH + H⁺, ATP and $\mathsf { O } _ { 2 }$
Q41 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Photooxidation of water in photosynthesis is associated with :-
A.
Cytochrome b₆
B.
Pigment system—I
C.
Pigment system-II
D.
Plastocyanin
Q42 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
During ATP synthesis electron pass through:-
A.
Water
B.
Cytochromes
C.
$\mathsf { O } _ { 2 }$
D.
$\mathsf { C O } _ { 2 }$
Q43 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Which pigment system immediately donates $\mathsf { e } ^ { - }$ for the reduction of NADP?
A.
$\mathsf { P S - } | |$
B.
PS-I
C.
$\mathsf { C O } _ { 2 }$
D.
Plastoquinone
Q44 Allen 2. WHAT IS LIGHT REACTION AND THE ELECTRON TRANSPORT MCQ
Which element are presents in OEC (Oxygen evolving complex) ?
A.
$\mathsf { M n } ^ { + + }$
B.
$\subset \ulcorner$
C.
$\mathsf { C a ^ { + + } }$
D.
AIl
Q45 Allen 3. WHERE ARE THE ATP AND NADPH USED MCQ
The path of $\mathsf { C O } _ { 2 }$ in the dark reactions of photosynthesis was successfully traced by the use of the :-
A.
${ O _ { 2 } } ^ { 1 8 }$
B.
$\mathsf { C } ^ { 1 4 } \mathsf { O } _ { 2 }$
C.
$\mathsf { P } ^ { 3 2 }$
D.
$\mathsf { X } - \mathsf { r a y s }$
Q46 Allen 3. WHERE ARE THE ATP AND NADPH USED MCQ
Which of the following protein is most abundant on the earth?
A.
Catalase
B.
RuBisCO
C.
Amylase
D.
Pepsin
Q47 Allen 3. WHERE ARE THE ATP AND NADPH USED MCQ
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
Q48 Allen 3. WHERE ARE THE ATP AND NADPH USED MCQ
In photosynthesis, hydrogen is transferred from the light reactions to dark reactions by:-
A.
NAD
B.
DNA
C.
ATP
D.
NADP
Q49 Allen 3. WHERE ARE THE ATP AND NADPH USED MCQ
NADPH(H⁺) is also called :-
A.
Real power
B.
Oxidising agent
C.
Power house of energy
D.
Reducing power
Q50 Allen 3. WHERE ARE THE ATP AND NADPH USED MCQ
Fixation of 1 CO₂ requires :-
A.
6NADPH(H⁺) & 3ATP
B.
2NADPH(H⁺) & 3ATP
C.
4NADPH(H⁺) & 3ATP
D.
5NADPH(H⁺) & 3ATP