- 1(current)
Q. No.Match List I with List II:
Choose the correct answer from the options given below:
1. A-IV, B-III, C- II, D- I
2. A-III, B-I, C- IV, D- II
3. A-II, B-III, C- IV, D- I
4. A-III, B-IV, C- I, D- II
| List I | List II | ||
| A. | Histones | I. | Loosely packed chromatin |
| B. | Nucleosome | II. | Densely packed chromatin |
| C. | Euchromatin | III. | Positively charged basic proteins |
| D. | Heterochromatin | IV. | DNA wrapped around histone octamer |
Choose the correct answer from the options given below:
1. A-IV, B-III, C- II, D- I
2. A-III, B-I, C- IV, D- II
3. A-II, B-III, C- IV, D- I
4. A-III, B-IV, C- I, D- II
Subtopic: DNA Packaging |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid. |
| Statement II: | In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome. |
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: DNA Packaging |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statements and choose the set of correct statements:
Choose the correct answer from the options given below:
1. (a), (c), (e) only
2. (b), (d), (e) only
3. (a), (c), (d) only
4. (b), (e) only
| (a) | Euchromatin is loosely packed chromatin. |
| (b) | Heterochromatin is transcriptionally active. |
| (c) | Histone octomer is wrapped by negatively charged DNA in nucleosome. |
| (d) | Histones are rich in lysine and arginine. |
| (e) | A typical nucleosome contains 400 bp of DNA helix. |
Choose the correct answer from the options given below:
1. (a), (c), (e) only
2. (b), (d), (e) only
3. (a), (c), (d) only
4. (b), (e) only
Subtopic: DNA Double Helix | DNA Packaging |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWith respect to nucleosome, which of the following statements is incorrect ?
| 1. | Nucleosome contains 120 bp of DNA helix. |
| 2. | Nucleosomes are seen as 'beads' on string' under Electron Microscope. |
| 3. | DNA is wrapped around positively charged histone octamer to form nucleosome. |
| 4. | Nucleosome is the repeating unit of chromatin. |
Subtopic: DNA Packaging |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements about Histones is wrong?
| 1. | Histones are rich in amino acids - Lysine and Arginine. |
| 2. | Histones carry a positive charge in the side chain. |
| 3. | Histones are organized to form a unit of 8 molecules |
| 4. | Histones are organized to form a unit of 10 molecules |
Subtopic: DNA Packaging |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
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