Select Chapter Topics:
Q. No.Which was the last human chromosome to be completely sequenced:
1. Chromosome 1
2. Chromosome 11
3. Chromosome 21
4. Chromosome X
Subtopic: Human Genome Project |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following are the functions of RNA?
1. It is a carrier of genetic information from DNA to ribosomes synthesising polypeptides.
2. It carries amino acids to ribosomes.
3. It is a constituent component of ribosomes.
4. All of the above.
1. It is a carrier of genetic information from DNA to ribosomes synthesising polypeptides.
2. It carries amino acids to ribosomes.
3. It is a constituent component of ribosomes.
4. All of the above.
Subtopic: Translation |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
While analysing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine = 29%, Guanine = 17%, Cytosine = 32%, Thymine = 17%. Considering the Chargaff’s rule it can be concluded that:
1. it is a double stranded circular DNA
2. It is single stranded DNA
3. It is a double stranded linear DNA
4. No conclusion can be drawn
1. it is a double stranded circular DNA
2. It is single stranded DNA
3. It is a double stranded linear DNA
4. No conclusion can be drawn
Subtopic: DNA Double Helix |
55%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called:
1. A-DNA
2. B-DNA
3. cDNA
4. rDNA
1. A-DNA
2. B-DNA
3. cDNA
4. rDNA
Subtopic: The DNA |
Please attempt this question first.
Hints
If Meselson and Stahl's experiment is continued for four generations in bacteria, the ratio of \(N^{15} / N^{15}: N^{15} / N^{14}: N^{14} / N^{14}\) containing DNA in the fourth generation would be:
1. 1:1:0
2. 1:4:0
3. 0:1:3
4. 0:1:7
1. 1:1:0
2. 1:4:0
3. 0:1:3
4. 0:1:7
Subtopic: Search for Genetic Material |
71%
Please attempt this question first.
Hints
If the sequence of nitrogen bases of the coding strand of DNA in a transcription unit is: 5' - A T G A A T G - 3',
the sequence of bases in its RNA transcript would be;
1. 5' - A U G A A U G - 3'
2. 5' - U A C U U A C - 3'
3. 5' - C A U U C A U - 3'
4. 5' - G U A A G U A - 3'
the sequence of bases in its RNA transcript would be;
1. 5' - A U G A A U G - 3'
2. 5' - U A C U U A C - 3'
3. 5' - C A U U C A U - 3'
4. 5' - G U A A G U A - 3'
Subtopic: Transcription |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The RNA polymerase holoenzyme transcribes:
1. the promoter, structural gene and the terminator region
2. the promoter and the terminator region
3. the structural gene and the terminator region
4. the structural gene only.
1. the promoter, structural gene and the terminator region
2. the promoter and the terminator region
3. the structural gene and the terminator region
4. the structural gene only.
Subtopic: Transcription |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of tRNA pairing with it must be:
1. 5' - UAC - 3'
2. 5' - CAU - 3'
3. 5' - AUG - 3'
4. 5' - GUA - 3'
1. 5' - UAC - 3'
2. 5' - CAU - 3'
3. 5' - AUG - 3'
4. 5' - GUA - 3'
Subtopic: Translation |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The amino acid attaches to the tRNA at its:
1. 5' - end
2. 3' - end
3. Anti codon site
4. DHU loop
1. 5' - end
2. 3' - end
3. Anti codon site
4. DHU loop
Subtopic: Translation |
75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
To initiate translation, the mRNA first binds to:
1. The smaller ribosomal sub-unit,
2. The larger ribosomal sub-unit
3. The whole ribosome
4. No such specificity exists.
1. The smaller ribosomal sub-unit,
2. The larger ribosomal sub-unit
3. The whole ribosome
4. No such specificity exists.
Subtopic: Translation |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.