UPSC Exam > UPSC Questions > Consider the following statements: Chloroplas...
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Consider the following statements:
- Chloroplasts are green-colored plastids, which comprise pigments called chlorophyll.
- Chloroplasts are found in all green plants and algae.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements: Chloroplasts are green-colored plas...
Chloroplasts: They are green-colored plastids, which comprise green-colored pigments within the plant
cell and are called chlorophyll. Hence, statement 1 is correct.
Chloroplast is an organelle that contains the photosynthetic pigment chlorophyll that captures sunlight and
converts it into useful energy, thereby, releasing oxygen from water.
Chloroplasts are found in all green plants and algae. They are the food producers of plants. These are found in the guard cells located in the leaves of the plants. They contain a high concentration of chlorophyll that traps sunlight. This cell organelle is not present in animal cells. Hence, statement 2 is correct.
Chloroplast has its own DNA and can reproduce independently, from the rest of the cell. They also produce amino acids and lipids required for the production of chloroplast membrane.
Functions of Chloroplast: Following are the important chloroplast function:
cell and are called chlorophyll. Hence, statement 1 is correct.
Chloroplast is an organelle that contains the photosynthetic pigment chlorophyll that captures sunlight and
converts it into useful energy, thereby, releasing oxygen from water.
Chloroplasts are found in all green plants and algae. They are the food producers of plants. These are found in the guard cells located in the leaves of the plants. They contain a high concentration of chlorophyll that traps sunlight. This cell organelle is not present in animal cells. Hence, statement 2 is correct.
Chloroplast has its own DNA and can reproduce independently, from the rest of the cell. They also produce amino acids and lipids required for the production of chloroplast membrane.
Functions of Chloroplast: Following are the important chloroplast function:
- The most important function of the chloroplast is to synthesize food by the process of photosynthesis.
- Absorbs light energy and converts it into chemical energy.
- Chloroplast has a structure called chlorophyll which functions by trapping the solar energy and used for the synthesis of food in all green plants.
- Produces NADPH and molecular oxygen (O2) by photolysis of water.
- Produces ATP – Adenosine triphosphate by the process of photosynthesis.
- The carbon dioxide (CO2) obtained from the air is used to generate carbon and sugar during the Calvin Cycle or dark reaction of photosynthesis.
- Where does the photosynthesis process occur in the plant cell?
- In all green plants, photosynthesis takes place within the thylakoid membrane of the Chloroplast.
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Community Answer
Consider the following statements: Chloroplasts are green-colored plas...
Explanation:
Chloroplasts:
- Chloroplasts are green-colored organelles found in plant cells, responsible for photosynthesis.
- They contain pigments called chlorophyll, which gives plants their green color.
- Chloroplasts are specialized plastids that play a crucial role in converting light energy into chemical energy.
Statement 1:
- The statement that chloroplasts comprise pigments called chlorophyll is correct.
- Chlorophyll is essential for the process of photosynthesis, where light energy is converted into chemical energy.
Statement 2:
- The statement that chloroplasts are found in all green plants and algae is also correct.
- Chloroplasts are exclusive to photosynthetic organisms like plants and algae, where they are responsible for the production of food.
Therefore, both statements 1 and 2 are correct as they accurately describe the characteristics and distribution of chloroplasts in green plants and algae.
Chloroplasts:
- Chloroplasts are green-colored organelles found in plant cells, responsible for photosynthesis.
- They contain pigments called chlorophyll, which gives plants their green color.
- Chloroplasts are specialized plastids that play a crucial role in converting light energy into chemical energy.
Statement 1:
- The statement that chloroplasts comprise pigments called chlorophyll is correct.
- Chlorophyll is essential for the process of photosynthesis, where light energy is converted into chemical energy.
Statement 2:
- The statement that chloroplasts are found in all green plants and algae is also correct.
- Chloroplasts are exclusive to photosynthetic organisms like plants and algae, where they are responsible for the production of food.
Therefore, both statements 1 and 2 are correct as they accurately describe the characteristics and distribution of chloroplasts in green plants and algae.
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Consider the following statements: Chloroplasts are green-colored plastids, which comprise pigments called chlorophyll. Chloroplasts are found in all green plants and algae.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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