- 1(current)
Q. No.Which one of the following is not applicable to RNA?
1. Complementary base pairing
2. 5' phosphoryl and 3' hydroxyl ends
3. Heterocyclic nitrogenous bases
4. Chargaff's rule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct order of organization of genetic material from largest to smallest.
1. Chromosome, gene, genome, nucleotide
2. Genome, chromosome, nucleotide, gene
3. Genome, chromosome, gene, nucleotide
4. Chromosome, genome, nucleotide, gene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C.
1. A - translation B - transcription C - Erwin Chargaff
2. A -transcription B - translation C - Francis Crick
3. A - translation B - extension C - Rosalind Franklin
4. A - transcription B - replication C - James Watson
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
The figure gives an important concept in the genetic implication of DNA. Fill in the blanks A, B and C.
1. A - Maurice Wilkins B - transcription C - translation
2. A - James Watson B - replication C - extension
3. A - Erwin Chargaff B - translation C - replication
4. A - Francis Crick B - translation C - transcription
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | The total amount of purine nucleotides and pyrimidine nucleotides is not always equal |
| 2. | There are two strands, which run parallel in the 5' → 3’ direction |
| 3. | The proportion of adenine in relation to thymine varies with the organism |
| 4. | There are two strands, which run antiparallel - one in 5' → 3’ direction and the other in 3’→ 5’ |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following pairs of nitrogenous bases of nucleic acids is wrongly matched with the category mentioned against it?
1. Thymine, Uracil - Pyrimidines
2. Uracil, Cytosine - Pyrimidines
3. Guanine, Adenine - Purines
4. Adenine, Thymine - Purines
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe length of the DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?
1. Deletion of non-essential genes
2. Super-coiling in nucleosomes
3. DNAse digestion
4. Through the elimination of repetitive DNA
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe two polynucleotide chains in DNA are:
1. parallel
2. discontinuous
3. antiparallel
4. semiconservative
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOne turn of the helix in a B-form DNA is approximately:
| 1. | 20 nm | 2. | 0.34 nm |
| 3. | 3.4 nm | 4. | 2 nm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAntiparallel strands of a DNA molecule mean that:
| 1. | one strand turns anti-clockwise |
| 2. | the phosphate groups of two DNA strands, at their ends, share the same position |
| 3. | the phosphate groups at the start of two DNA strands are in opposite positions (pole) |
| 4. | one strand turns clockwise |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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