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Chapters
1: Cell Cycle and Cell Division
2: Structure of Chromosome
3: Genetics
Unit 2: Plant Physiology
4: Absorption by Roots
5: Transpiration
▶ 6: Photosynthesis
Chapter 7: Chemical Coordination in Plants
Unit 3: Human Anatomy and Physiology
Chapter 8: Circulatory System
Chapter 9: Human Excretory System
Chapter 10: Nervous System
Chapter 11: Sense Organs
Chapter 12: Endocrine System
Chapter 13: Reproductive System
Unit 4: Population
Chapter 14: Population
Unit 5: Human Evolution
Chapter 15: Human Evolution
Unit 6: Pollution
Chapter 16: Pollution
![Lakhmir Singh solutions for बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 6 - Photosynthesis - Shaalaa.com](/images/biology-english-class-10-icse_6:7181a54a5d284da8b50dd2f92022a1f6.jpg "Lakhmir Singh solutions for बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 6 - Photosynthesis")
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Solutions for Chapter 6: Photosynthesis
Below listed, you can find solutions for Chapter 6 of CISCE Lakhmir Singh for बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई.
Lakhmir Singh solutions for बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई 6 Photosynthesis Intex Quesions [Pages 88 - 98]
DO YOU KNOW?
How does plants with red leaves trap sunlight?
How does aquatic plant receive CO2 for photosynthesis?
Cellular respiration is reverse of photosynthesis. Explain.
TEST YOUR UNDERSTANDING - 1 Fill in the Blanks
Organisms which can prepare their own food are known as ______.
The process by which plants make food and life is sustained on the earth is ______.
The green pigment responsible for photosynthesis is known as ______.
True or False.
Glucose is the by-product of photosynthesis.
Solar energy is converted into chemical energy during photosynthesis.
True
False
Carbon dioxide is released during photosynthesis.
True
False
Multiple Choice Questions
Which of these is not required for photosynthesis?
Carbon dioxide
Water
Oxygen
Sunlight
The products formed during photosynthesis are ______.
Glucose, oxygen and water
Glucose and oxygen
Starch and oxygen
Starch, water and oxygen
TEST YOUR UNDERSTANDING - 2 Fill in the Blanks
Chloroplasts are found in the ______ cells of the leaves.
The flattened sacs in chloroplasts are known as ______.
Too much ______ can destroy chlorophyll.
True or False.
Chloroplasts are only found in green leaves.
True or False.
Guard cells become turgid due to leaking out of potassium ions at night.
True or False.
Light is necessary for synthesis of chlorophyll.
Multiple Choice Questions
Chloroplasts are found in ______ in the leaf.
Lower epidermis
Palisade mesophyll
Spongy mesophyll
Both palisade and spongy mesophyll
The ground material of chloroplasts is known as ______.
Matrix
Stroma
Thylakoid
Grana
TEST YOUR UNDERSTANDING - 3 Fill in the Blanks
The dark reaction takes place in ______.
During photosynthesis oxygen is evolved from ______.
Glucose produced during photosynthesis is polymerised into ______.
True or False.
Photosynthesis stops at 40°C.
True or False.
The dark reaction occurs during nighttime.
True or False.
The rate of photosynthesis keeps on increasing with increasing intensity of light.
Multiple Choice Questions
The optimum temperature range for photosynthesis is ______.
25-35°C
10-15°C
35-40°C
20-25°C
Light reaction takes place in ______.
Grana
Stroma
Cytoplasm
Ribosome
TEST YOUR UNDERSTANDING - 4 Fill in the Blanks
The starting and ending point of carbon cycle is ______.
______ of dead and decaying organisms'releases carbon dioxide into the atmosphere.
In carbon cycle ______ is the main element.
True or False.
Burning of fossil fuels releases carbon dioxide into the air.
True or False.
The source of carbon to the plants in the carbon cycle is atmospheric carbon dioxide.
True or False.
Bacteria and fungi do not contribute to the carbon cycle.
Multiple Choice Questions
The factor contributing to the carbon cycle is:
Fossil fuels combustion
Respiration
Photosynthesis
All of these
Humans contribute to the carbon cycle through ______.
Formation of glucose
Cellular respiration
Photosynthesis
Waste products
Lakhmir Singh solutions for बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई 6 Photosynthesis EXERCISE [Page 100]
Objective Questions
True or False.
The leaves appear green because they absorb green light.
True or False.
The photosystems of photosynthesis are found in the thylakoid membranes.
True or False.
The light reactions take place in the nucleus.
True or False.
Chlorophyll determines the types of visible light that can be used for photosynthesis.
True or False.
The carbon fixation occurs in the light reactions of photosynthesis.
Fill in the Blanks
Photosynthesis converts light energy to ______ energy.
The inputs of photosynthesis include CO2, sunlight and ______.
Presence of ______ in leaves can be tested with iodine solution.
The products of light-dependent reaction are ______, ATP and oxygen.
Full form of ATP is ______.
Match the Following.
| Column I | Column II |
| (i) Thylakoid membrane | (a) Dark reaction |
| (ii) Stroma | (b) Iodine solution |
| (iii) Chlorophyll | (c) Fixation of carbon dioxide |
| (iv) Starch test | (d) Primary producers |
| (v) Calvin cycle | (e) Gaseous exchange |
| (vi) Stomata | (f) Absorb light |
| (vii) Plants | (g) Chlorophyll |
Name the following:
The category of organisms that prepare their own food from basic raw materials.
Give One Word Answer.
Stacks of thylakoids.
Name the following:
The first form of food substance produced during photosynthesis.
Give One Word Answer.
Pigment that traps light energy.
Give One Word Answer.
Natural purifiers of air.
Multiple Choice Questions
The rate of photosynthesis is affected by:
Temperature
Light intensity
Surface area of leaf
All of these
The main role of chlorophyll is to ______.
break down water
trap light energy
store starch
synthesise starch
Solutions for 6: Photosynthesis
Lakhmir Singh solutions for बायोलॉजी [अंग्रेजी] कक्षा १० आईसीएसई chapter 6 - Photosynthesis
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