Photosynthesis in Higher Plants MCQs | Photosynthesis in Higher Plants Short Questions with Answers

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Questions
1 How many Calvin cycles form one hexose molecule
A 2
B 6
C 4
D 8

Answer:6
2 In a electron transport chain in terminal oxidation the cytochrome which donates electrons to O2 is
A Cytochrome b
B Cytochrome c
C Cytochrome a3
D Cytochrome a

Answer:Cytochrome a3
3 In bacterial photosynthesis, the hydrogen donor is
A H2O
B H2SO4
C NH3
D H2S

Answer: H2S
4 In blue-green algae photosystem-II contain an important pigment concerned with photolysis of water it is called
A B earotene
B Chlorophyll’ b’
C Cytochrome ‘c’
D Phycocyanin

Answer:Phycocyanin
5 In C3 plants first stable product of photosynthesis during dark reactions is
A PGA
B PGAL
C RuBP
D Oxalo acetic acid

Answer: PGA
6 In C4 pathway or C4 photosynthesis carbobn dioxide fication occures in chloroplast of
A Palisade tissue
B Spongy mesophyll
C Bundle sheath
D Guard cells

Answer: Spongy mesophyll
7 In C3 plants first stable product of photosynthesis during dark reactions is
A PGA
B PGAL
C RuBP
D Oxalo acetic acid

Answer: PGA
8 In C4 plants, Calvin cycle operates in
A Stroma of bundle sheath chloroplasts
B Grana of Bundle sheath chloroplasts
C Grana of mesophyll chloroplasts
D Stroma od mesophyll chloraplasts

Answer:Stroma of bundle sheath chloroplasts
9 In C4 plants, initial carbondioxide fixation occurs on chloroplasts of
A Palisade tissue
B Spongy parnchyma
C Guard cells
D Hypodermis and chlorenchyma

Answer: Spongy parnchyma
10 In C4 plants, synthesis of sugars/ final CO2 fixation occurs in
A Palisade cells
B Spongy cells
C Undifferentiated mesophyll cells
D Bundle sheath cells

Answer: Bundle sheath cells
11 In case of C4 pathway
A CO2 combines with PGA
B CO2 combines with PEP
C CO2 first combines with RuBP
D CO2 combines with RMP

Answer: CO2 combines with PEP

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