ATCCAG DNA form which mRNA:
1. UAGGUC 
2. TAGGTC
3. UAGCUG
4. TAGCUG

Subtopic:  Transcription |
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In 1944, Avery, McCarty and Macleod isolated a substance from heat-killed virulent form of bacteria and added to nonvirulent form of bacteria which changed the non-virulent to virulent from this substance can be destroyed by?
1. DNAase
2. protease
3. lipase
4. amylase
Subtopic:  Search for Genetic Material |
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A section of double­stranded DNA is composed of 32% adenine bases. What is the percentage of cytosine bases in the section of DNA?
1. 9%
2. 18%
3. 36%
4. 64%
Subtopic:  DNA Double Helix |
 89%
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Which is present at 5' end of eukaryotic m-RNA:
1. Poly A tail
2. Modified C at 5'
3. 7 mG
4. Poly C
Subtopic:  Transcription |
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Which is present at 5’ end of eukaryotic mRNA?
1. Poly-A tail
2. Modified C at 5’
3. 7 mG
4. Poly-C
Subtopic:  Transcription |
 63%
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Which of the following mRNA can be transcripted as?
1. AUG, UGA, UUU
2. UAA, UAV, UGG
3. UAG, UGA, UUV
4. UGA, UUV, UGG
Subtopic:  Genetic Code |
 82%
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Linker-DNA is attached to:
1. H1
2. H2A
3. H2B
4. H3
Subtopic:  DNA Packaging |
 88%
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In DNA 20% bases are adenine. What percentage of bases are pyrimidines?
1. 30%
2. 60%
3. 50%
4. 20%
Subtopic:  DNA Double Helix |
 61%
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tRNA binds to mRNA through?
1. Anticodon loop
2. TΨC loop
3. Amino acid binding loop
4. D loop
Subtopic:  Translation |
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To which of the following repressor protein is attached?
1. operator
2. Inducer
3. Promoter
4. Structural gene
Subtopic:  Gene Regulation: Lac Operon |
 75%
From NCERT
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