Class 9 Exam > Class 9 Questions > In a cell DNA is found in :-a)nucleus, mitoch...
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In a cell DNA is found in :-
- a)nucleus, mitochondria and plastid
- b)nucleus, mitochondria and Golgi body
- c)mitochondria, Golgi body and plastid
- d)nucleus, Golgi body and plastid
Correct answer is option 'A'. Can you explain this answer?
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In a cell DNA is found in :-a)nucleus, mitochondria and plastidb)nucle...
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In a cell, DNA is found in the nucleus, mitochondria, and plastids. Let's break down the options and see which one is correct.
A: Nucleus, mitochondria, and plastid
- Nucleus: The nucleus is often referred to as the control center of the cell. It contains the majority of the cell's DNA, organized into chromosomes.
- Mitochondria: Mitochondria are often referred to as the "powerhouses" of the cell. They have their own DNA, known as mitochondrial DNA (mtDNA), which is separate from the DNA found in the nucleus.
- Plastids: Plastids are found in plant cells and are involved in various functions such as photosynthesis. They also contain their own DNA, known as plastid DNA.
B: Nucleus, mitochondria, and Golgi body
- Golgi body: The Golgi body is involved in processing and packaging proteins. However, it does not contain DNA.
C: Mitochondria, Golgi body, and plastid
- This option is incorrect as it does not include the nucleus, which is where the majority of the cell's DNA is found.
D: Nucleus, Golgi body, and plastid
- This option is incorrect as it does not include mitochondria, which have their own DNA.
Therefore, the correct answer is A: Nucleus, mitochondria, and plastid, as DNA is found in all three of these cellular components.
In a cell, DNA is found in the nucleus, mitochondria, and plastids. Let's break down the options and see which one is correct.
A: Nucleus, mitochondria, and plastid
- Nucleus: The nucleus is often referred to as the control center of the cell. It contains the majority of the cell's DNA, organized into chromosomes.
- Mitochondria: Mitochondria are often referred to as the "powerhouses" of the cell. They have their own DNA, known as mitochondrial DNA (mtDNA), which is separate from the DNA found in the nucleus.
- Plastids: Plastids are found in plant cells and are involved in various functions such as photosynthesis. They also contain their own DNA, known as plastid DNA.
B: Nucleus, mitochondria, and Golgi body
- Golgi body: The Golgi body is involved in processing and packaging proteins. However, it does not contain DNA.
C: Mitochondria, Golgi body, and plastid
- This option is incorrect as it does not include the nucleus, which is where the majority of the cell's DNA is found.
D: Nucleus, Golgi body, and plastid
- This option is incorrect as it does not include mitochondria, which have their own DNA.
Therefore, the correct answer is A: Nucleus, mitochondria, and plastid, as DNA is found in all three of these cellular components.
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In a cell DNA is found in :-a)nucleus, mitochondria and plastidb)nucleus, mitochondria and Golgi bodyc)mitochondria, Golgi body and plastidd)nucleus, Golgi body and plastidCorrect answer is option 'A'. Can you explain this answer?
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