Life Science Chapter – 6B : Animal Tisssue Calcutta Book House Pvt Ltd. solution for Madhyamik Students Class 9
| Material | : Madhyamik Life Science Solution |
| Subject | : Life Science |
| Class | : 9 (Madhyamik) |
| Publisher | : Oriental Book Company Private Limited |
| Chapter Name | : Plant Tissues and its distribution |
Very Short Answer Type Questions: (Each question carries 1 mark)
Multiple Choice Questions (MCQs)
Question 1
Light energy is converted to chemical energy during the process of—
(a) Transpiration,
(b) Digestion,
(c) Photosynthesis,
(d) Respiration.
Answer
Question 2
The process of taking CO₂ by plants and releasing O₂ is termed as—
(a) Photosynthesis,
(b) Respiration,
(c) Transpiration,
(d) Osmosis.
Answer
Question 3
Light is essential during photosynthesis for—
(a) Heating of plants,
(b) Opening of stomata,
(c) Photolysis of water,
(d) Evolution of hydrogen.
Answer
Question 4
One of the functions of chlorophyll in photosynthetic process is—
(a) Refraction of solar energy,
(b) Entrapping of solar energy,
(c) An acceptor of hydrogen,
(d) Acts as raw material.
Answer
Question 5
In photosynthesis, oxygen is liberated due to—
(a) Hydrolysis of carbohydrate,
(b) Reduction of carbon dioxide,
(c) Break down of chlorophyll molecules,
(d) Photolysis of water.
Answer
Question 6
Which one of the following is an essential part for the photosynthetic process?—
(a) Krebs cycle,
(b) Glycolysis,
(c) Photolysis,
(d) Photorespiration.
Answer
Question 7
For chlorophyll formation in plants, which elements are needed?—
(a) Iron and Magnesium,
(b) Calcium and Potassium,
(c) Sodium and Copper,
(d) Calcium and Iron.
Answer
Question 8
The first visible product produced in Photosynthesis is—
(a) Glucose,
(b) Fructose,
(c) Sucrose,
(d) Starch.
Answer
Question 9
Oxygen liberated during photosynthesis is—
(a) Equal to the CO₂ taken in,
(b) Less than CO₂ taken in,
(c) More than CO₂ taken in,
(d) None of the above.
Answer
Question 10
The process of Photosynthesis is—
(a) Endothermic process,
(b) Exothermic process,
(c) Anabolic process,
(d) Catabolic process.
Answer
Question 11
For the synthesis of organic matter during photosynthesis, green plants only need—
(a) Chlorophyll,
(b) CO₂,
(c) Water,
(d) All the above.
Answer
Question 12
Out of the following, which one is not essential for photosynthesis?—
(a) Glucose,
(b) Chlorophyll and Light,
(c) Carbon dioxide and Optimum temperature,
(d) Both Form a and b.
Answer
Question 13
During photosynthesis, the oxygen in glucose comes from—
(a) Water,
(b) Carbon dioxide,
(c) Both water and carbon dioxide,
(d) Atmospheric oxygen.
Answer
Question 14
Photosynthesis is most active in—
Answer
Question 15
Metal present in the chlorophyll is—
(a) Nitrogen,
(b) Magnesium,
(c) Iron,
(d) Hydrogen.
Answer
Question 16
Which one is the correct formula of chlorophyll a?—
(a) C₅₅H₇₂O₅N₄Mg,
(b) C₅₅H₇₉O₅N₄Mg,
(c) C₅₅H₇₅O₆N₄Mg,
(d) C₅₅H₇₈O₅N₄Mg.
Answer
Question 17
Which one is the correct formula of chlorophyll b?—
(a) C₅₅H₇₂O₅N₄Mg,
(b) C₅₅H₇₀O₅N₄Mg,
(c) C₅₅H₇₀O₆N₄Mg,
(d) C₅₅H₇₂O₆N₄Mg.
Answer
Question 18
The first step in the process of photosynthesis is—
(a) Dissociation of water,
(b) Formation of ATP molecules,
(c) Excitation of chlorophyll a molecule by the photonic energy,
(d) Attachment of CO₂ to a 5-Carbon Sugar.
Answer
Question 19
What is the source of oxygen liberated in the process of photosynthesis?
(a) H₂O,
(b) CO₂,
(c) Glucose,
(d) From the photosynthetic enzymes.
Answer
Question 20
The process by means of which carbohydrates are synthesized by green plants from carbon dioxide and water in presence of sunlight is known as—
(a) Transpiration,
(b) Respiration,
(c) Photosynthesis,
(d) Absorption.
Answer
Question 21
What type of chemical energy is formed during the light phase of photosynthesis?
(a) ATP,
(b) NADPH, (NADPH + H⁺),
(c) Both of the above,
(d) None of the above.
Answer
Question 22
Which one of the following is not required in the carbohydrate synthesis?
(a) Chlorophyll,
(b) Water,
(c) CO₂,
(d) Nitrogen.
Answer
Question 23
Entrapping of radiant energy occurs by which of the following plastids?
(a) Leucoplastid,
(b) Chromoplastid,
(c) Chloroplastid,
(d) None of these.
Answer
Question 24
The process of photosynthesis occurs in—
(a) The roots only,
(b) The shoots only,
(c) All living cells of the plant,
(d) All chlorophyll-containing living cells.
Answer
Question 25
Which one of the following is the energy currency of the cell?
(a) AMP,
(b) ADP,
(c) ATP,
(d) Phosphate.
Answer
Question 26
The first stable product of carbon assimilation is—
(a) Glucose,
(b) Pyruvic acid,
(c) Phosphoglyceric acid,
(d) Starch.
Answer
Question 27
‘Hill reaction’ occurs in—
(a) Dark phase of photosynthesis,
(b) Light phase of photosynthesis,
(c) Both light and dark phase of photosynthesis,
(d) At any time.
Answer
Question 28
ATP formation during photosynthesis is known as—
(a) Phosphorylation,
(b) Photophosphorylation,
(c) Oxidative phosphorylation,
(d) None of these.
Answer
Question 29
During dark phase of photosynthesis, which of the following occurs?
(a) Carbon dioxide is released,
(b) ATP is generated,
(c) Phosphoglyceraldehyde is synthesized,
(d) Release of molecular oxygen.
Answer
Question 30
High light intensity stops the process of photosynthesis called—
(a) Ionization,
(b) Solarization,
(c) Carboxylation,
(d) Phosphorylation.
Answer
Question 31
Name the first product produced during dark phase of photosynthesis—
(a) Phosphoglyceraldehyde,
(b) Phosphoglyceric acid,
(c) Starch,
(d) Glucose.
Answer
Question 32
Which are regarded as primary pigments for photosynthesis?
(a) Carotene,
(b) Xanthophyll,
(c) Chlorophyll,
(d) Phycocyanin.
Answer
Question 33
The process of converting a compound (ADP) into a compound of phosphorus (ATP) is called—
(a) Photophosphorylation,
(b) Phosphorylation,
(c) Oxidative phosphorylation,
(d) Photosynthesis.
Answer
Question 34
The highly energized invisible solar particles are called—
(a) Axon,
(b) Codon,
(c) Photon,
(d) Neutron.
Answer
Question 35
Synthesis of carbohydrate type of food takes place by—
(a) Respiration,
(b) Photosynthesis,
(c) Transpiration,
(d) Diffusion.
Answer
Question 36
CO₂ – O₂ balance is maintained in the atmosphere by—
(a) Transpiration,
(b) Nutrition,
(c) Osmosis,
(d) Photosynthesis.
Answer
Question 37
What type of process is photosynthesis?
(a) Anabolic,
(b) Catabolic,
(c) Metabolic,
(d) None of them.
Answer
Question 38
What is the source of oxygen in the glucose molecule produced due to photosynthesis?
(a) H₂O,
(b) CO₂,
(c) NO₂,
(d) SO₂.
Answer
Question 39
Dark reaction in photosynthesis—
(a) Takes place both in presence of light and in darkness,
(b) Takes place only in dark,
(c) Utilizes assimilatory power formed in light reaction,
(d) Is termed as dark reaction because the process is inhibited by light.
Answer
Question 40
The first compound that accepts CO₂ during dark phase is—
(a) NADP,
(b) Ferredoxin,
(c) RuBP,
(d) Cytochrome.
Answer
Question 41
The first step in the process of photosynthesis—
(a) Absorption of O₂,
(b) Absorption of CO₂,
(c) Excitation of an electron of chlorophyll a by a photon of light,
(d) Photolysis of water.
Answer
Question 42
Which of the following is/are the significance of photosynthesis?
(a) It links the physical and biological world,
(b) It converts solar energy into organic matter,
(c) It evolves oxygen,
(d) All of the above.
Answer
Question 43
Photosynthetic rate is higher in—
(a) Green light,
(b) Red light,
(c) Yellow light,
(d) Continuous light.
Answer
Question 44
Which one of the following is the first step of photosynthesis?
(a) Photolysis of water,
(b) Formation of phosphoglyceraldehyde,
(c) Excitation of chlorophyll molecules,
(d) Formation of hexose.
Answer
Question 45
Which of the following is the significance of photosynthesis?
(a) It liberates oxygen,
(b) It converts solar energy into organic matter,
(c) It connects the physical and biological world,
(d) All of the above.
Answer
Question 46
The first compound that accepts CO₂ during dark phase of photosynthesis is—
(a) Ferredoxin,
(b) RuBP,
(c) Cytochrome,
(d) NADP.
Answer
f
Fill in the blanks:
Question 1
Photosynthesis is the process during which the ______ containing green plants synthesize carbohydrate.
Answer
Question 2
______ is an anabolic process.
Answer
Question 3
Site of photosynthesis is the ______ of the leaf.
Answer
Question 4
The metal present within the chlorophyll is ______.
Answer
Question 5
The conversion of ATP from ADP by the addition of inorganic phosphate is called ______.
Answer
Question 6
During photosynthesis, oxygen gas is liberated from ______.
Answer
Question 7
The highly energized invisible solar particles are called ______.
Answer
Question 8
The first stable photosynthetic product produced is ______.
Answer
Question 9
CO₂ – O₂ balance is maintained in the atmosphere by ______.
Answer
Question 10
Photosynthesis occurs in two phases, photochemical and biochemical. Photochemical phase is called ______ and biochemical phase is termed as ______.
Answer
Question 11
Photosynthesis is an ______ process which produces glucose.
Answer
Question 12
______, Chlorophyll, CO₂, and water are necessary requirements for photosynthesis.
Answer
Question 13
Photolysis takes place during ______ of photosynthesis.
Answer
Question 14
The absorption spectrum can be measured with the help of ______.
Answer
Question 15
Inhibition of photosynthesis by oxygen is called ______.
Answer
Question 16
Destruction of chlorophyll occurs due to high light intensity, is termed as ______.
Answer
Write ‘true’ or ‘false’:
Question 1
Light reaction of photosynthesis occurs within the grana of the chloroplasts.
Answer
Question 2
Dark reaction of photosynthesis occurs within the stroma of the chloroplasts.
Answer
Question 3
Photosynthesis is a catabolic process.
Answer
Question 4
Photophosphorylation takes place in photosynthesis.
Answer
Question 5
Highly energized invisible solar particles are called photons.
Answer
Question 6
Photophosphorylation occurs during the light phase of photosynthesis.
Answer
Question 7
Photosynthetic process is divided into three phases.
Answer
Question 8
The orange carotene and yellow xanthophyll together are called carotenoids.
Answer
Question 9
Evolution of oxygen during photosynthesis takes place from CO₂.
Answer
Question 10
The chemical energies produced during the light phase of photosynthesis are ATP and NADPH₂.
Answer
Question 11
Calvin cycle occurs in the light phase of photosynthesis.
Answer
Question 12
CO₂ is absorbed in the light phase of photosynthesis.
Answer
Question 13
The metal present within the chlorophyll pigment is iron.
Answer
Question 14
Magnesium is the metal present within the chlorophyll molecule.
Answer
Question 15
During photosynthesis, oxygen gas is liberated from H₂O.
Answer
Question 16
Ribulose bisphosphate fixes atmospheric CO₂ during the dark phase of photosynthesis.
Answer
Question 17
PGAld is the first stable product in photosynthesis.
Answer
Question 18
Hill reaction occurs in the dark phase of photosynthesis.
Answer
Question 19
The formula of chlorophyll b is C₅₅H₇₂O₅N₄Mg.
Answer
Question 20
Photophosphorylation does not take place in photosynthesis.
Answer
Answer the following questions:
Question 1
From where is the term photosynthesis derived?
Answer
Question 2
Name one anabolic process.
Answer
Question 3
Name two major photosynthetic pigments.
Answer
Question 4
Mention the source of oxygen for glucose.
Answer
Question 5
Name the photosynthetic organelle.
Answer
Question 6
Where do light and dark reactions occur in photosynthesis?
Answer
Question 7
Name the photosynthetic unit.
Answer
Question 8
Name one plant where the stem performs photosynthesis.
Answer
Question 9
What are the full names of RuBP and PGA?
Answer
Question 10
Which phase of photosynthesis requires ATP and NADPH as assimilatory power?
Answer
Short Answer Type Questions: (Each question carries 2 marks)
Question 1
Define photosynthesis.
Answer
Question 2
Why is photosynthesis called an anabolic process?
Answer
Question 3
Mention the chemical formulae of chlorophyll a and b.
Answer
Question 4
What is photophosphorylation?
Answer
Question 5
Name the accessory pigments that help in photosynthesis.
Answer
Question 6
What is photolysis of water?
Answer
Question 7
Name the chemical energies produced during the light phase of photosynthesis.
Answer
Question 8
Mention the full names of RuBP and PGA.
Answer
Question 9
Mention the first product produced in photosynthesis. In which phase is it produced?
Answer
Question 10
What is the Hill reaction?
Answer
Question 11
How is the CO₂ – O₂ balance maintained by photosynthesis?
Answer
Question 12
What type of process is photosynthesis—anabolic or catabolic?
Answer
Question 13
What is the photosynthetic unit?
Answer
Question 14
What is solarization?
Answer
Question 15
What are the functions of carotenoids?
Answer
Question 16
What is the photosynthetic quotient?
Answer
Question 17
What are the end products of light reaction?
Answer
Question 18
What are the end products of the dark reaction?
Answer
Question 19
Give the full names of PGAld and RuMP.
Answer
Question 20
Name the components required for photosynthesis.
Answer
Question 21
State the role of chlorophyll pigments in photosynthesis.
Answer
Question 22
Where and when does photosynthesis take place?
Answer
Question 23
What is a photon?
Answer
Question 24
What is photolysis?
Answer
Question 25
Mention the significance of photosynthesis.
Answer
Long Answer Type Questions: (Each question carries 5 marks)
Question 1
Write about the outline concept of the light reaction phase of photosynthesis.
Answer
Question 2
What do you mean by carbon assimilation? Describe the dark phase of photosynthesis.
Answer
Question 3
Give an account of the light reactions (photosystems) in photosynthesis.
Answer
Question 4
Write what you know about the major photosynthetic pigments.
Answer
Question 5
Describe in short the components of photosynthesis.
Answer
Question 6
Describe the significance of photosynthesis.
Answer
Question 7
Give a brief description about the conversion of light energy to chemical energy in the case of photosynthesis.
Answer
Question 8
Write about the outline concept of the dark reaction process of photosynthesis.
Answer