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Photosynthesis In Higher Plants

210 Questions Start Allen Test
All Exams Allen Errorless
Q201 Allen 7. ANALYTICAL QUESTIONS MCQ
Electrons from excited chlorophyll molecule of photosystem Il are accepted first by :-
A.
Quinone
B.
Ferredoxin
C.
Cytochrome-b
D.
Cytochrome-f
Q202 Allen 7. ANALYTICAL QUESTIONS MCQ
Oxygenic photosynthesis occurs in :-
A.
Oscillatoria
B.
Rhodospirillum
C.
Chlorobium
D.
Chromatium
Q203 Allen 7. ANALYTICAL QUESTIONS MCQ
Cyclic photophosphorylation results in the formation of :-
A.
ATP and NADPH
B.
ATP, NADPH and $\mathsf { O } _ { 2 }$
C.
ATP
D.
NADPH
Q204 Allen 7. ANALYTICAL QUESTIONS MCQ
PGA as the first CO₂ fixation product was discovered in photosynthesis of :-
A.
Bryophyte
B.
Gymnosperm
C.
Angiosperm
D.
Alga
Q205 Allen 7. ANALYTICAL QUESTIONS MCQ
C4 plants are more efficient in photosynthesis than ${ \mathsf { C } } _ { 3 }$ plants due to :-
A.
Higher leaf area
B.
Presence of larger number of chloroplasts in the leaf cells.
C.
Presence of thin cuticle.
D.
Lower rate of photorespiration.
Q206 Allen 7. ANALYTICAL QUESTIONS MCQ
Read the following four statements, A, B, C and D and select the right option having both correct statements. Statements:
(A) Z scheme of light reaction takes place in present of PSI only.
(B) Only PSI is functional in cyclic photophosphorylation.
(C) Cyclic photophosphorylation results into synthesis of ATP and NADPH(H⁺) .
(D) Stroma lamellae lack PSIl as well as NADP reductase.
A.
A and B
B.
B and C
C.
C and D
D.
B and D
Q207 Allen 7. ANALYTICAL QUESTIONS MCQ
Study the pathway given below: - In which of the following options correct words for all the three blanks A, B and C are indicated?
A.
Fixation –Transamination– Regeneration
B.
Fixation –Decarboxylation– Regeneration
C.
Carboxylation–Decarboxylation – Reduction
D.
Decarboxylation – Reduction – Regeneration
Q208 Allen 7. ANALYTICAL QUESTIONS MCQ
In Kranz anatomy, the bundle sheath cells have :-
A.
thick walls, many intercellular spaces and few chloroplasts.
B.
thin walls, many intercellular spaces and no chloroplasts.
C.
thick walls, no intercellular spaces and large number of chloroplasts.
D.
thin walls, no intercellular spaces and several chloroplasts.
Q209 Allen 7. ANALYTICAL QUESTIONS MCQ
A process that makes important difference between C₃ and C4 plants is :-
A.
Photosynthesis
B.
Photorespiration
C.
Transpiration
D.
Glycolysis
Q210 Allen 7. ANALYTICAL QUESTIONS MCQ
The correct sequence of cell organelles during photorespiration is :-
A.
Chloroplast-peroxisome-mitochondria
B.
Chloroplast-vacuole-peroxisome.
C.
Chloroplast-Golgi bodies-mitochondria
D.
Chloroplast-Rough endoplasmic reticulum-Dictyosomes.