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Chapters
2: Plant Kingdom
3: Vegetative Morphology
4: Reproductive Morphology
5: Taxonomy and Systematic Botany
6: Cell: The Unit of Life
7: Cell Cycle
8: Biomolecules
9: Tissue and Tissue System
10: Secondary Growth
11: Transport in Plants
12: Mineral Nutrition
▶ 13: Photosynthesis
14: Respiration
15: Plant Growth and Development
![Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board chapter 13 - Photosynthesis - Shaalaa.com](/images/biology-botany-english-class-11-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board chapter 13 - Photosynthesis")
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Solutions for Chapter 13: Photosynthesis
Below listed, you can find solutions for Chapter 13 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Botany) [English] Class 11 TN Board.
Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board 13 Photosynthesis Evaluation [Pages 259 - 260]
Assertion (A): Increase in Proton gradient inside lumen responsible for ATP synthesis.
Reason (R): Oxygen evolving complex of PS I located on thylakoid membrane facing Stroma, releases H1 ions.
Both Assertion and Reason are True.
Assertion is True and Reason is False.
Reason is True and Assertion is False.
Both Assertion and Reason are False.
Which chlorophyll molecule does not have a phytol tail?
Chl - a
Chl - b
Chl - c
Chl - d
The correct sequence of flow of electrons in the light reaction is ______.
PS II, plastoquinone, cytochrome, PS I, ferredoxin.
PS I, plastoquinone, cytochrome, PS II ferredoxin.
PS II, ferredoxin, plastoquinone, cytochrome, PS I.
PS II, plastoquinone, cytochrome, PS II, ferredoxin.
For every CO2 molecule entering the C3 cycle, the number of ATP & NADPH required ______.
2ATP + 2NADPH
2ATP + 3NADPH
3ATP + 2NADPH
3ATP + 3NADPH
Identify true statement regarding light reaction of photosynthesis.
Splitting of water molecule is associate with PS I.
PS I and PS II involved in the formation of NDPH+ H+.
The reaction center of PS I is Chlorophyll a with absorption peak at 680 nm.
The reaction center of PS II is Chlorophyll a with absorption peak at 700 nm.
Two groups (A & B) of bean plants of similar size and same leaf area were placed in identical conditions. Group A was exposed to the light of wavelength 400-450 nm & Group B to light of wavelength of 500-550 nm. Compare the photosynthetic rate of the 2 groups giving reasons.
A tree is believed to be releasing oxygen during night time. Do you believe the truthfulness of this statement? Justify your answer by giving reasons.
Grasses have an adaptive mechanism to compensate photorespiratory lossesName and describe the mechanism.
In Botany class, teacher explains, Synthesis of one glucose requires 30 ATPs in C4 plants and only 18 ATPs in C3 plants. The same teacher explains C4 plants are more advantageous than C3 plants. Can you identify the reason for this contradiction?
When there is plenty of light and a higher concentration of O2, what kind of pathway does the plant undergo? Analyse the reasons.
Solutions for 13: Photosynthesis
Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board chapter 13 - Photosynthesis
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Concepts covered in Biology (Botany) [English] Class 11 TN Board chapter 13 Photosynthesis are Definition, Significance and Site of Photosynthesis, Photosynthetic Pigments, Spectrum of Electromagnetic Radiation, Photosynthetic Unit (Quantasome), Absorption Spectrum and Action Spectrum, Emerson’s Experiments and Hill’s Reaction, Modern Concept of Photosynthesis, Photo-oxidation Phase of Light Reaction, Photo Chemical Phase of Light Reaction, Photophosphorylation, Dark Reaction or C3 Cycle or Biosynthetic Phase or Photosynthetic Carbon Reduction (PCR)Cycle, Hatch and Slack Pathway or C4 Cycle or Dicarboxylic Acid Pathway or Dicarboxylation Pathway, Crassulacean Acid Metabolism or CAM Cycle, Photorespiration or C2 Cycle or Photosynthetic Carbon Oxidation (PCO) Cycle, Factors Affecting Photosynthesis, Photosynthesis in Bacteria.
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