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Published on: 28/08/2019
Molecular Basic of Inheritance
Download CBSE Class 12th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Biology
Questions + Answers key
Take MCQ Biology Test
1.
How are the consecutive nucleotides linked together in a polynucleotide strands?
2.
How is a nucleotide different from a nuclioside different from a nucleoside?
3.
Which of the two subunits of ribosome encounters an mRNA?
4.
Nucleoside is
Nitrogenous base + Sugar
Nitrogenous base + sugar + phospate
Sugar + phosphate
Nitrogenous base + phosphate
5.
How many codons code for amino acids?
64
61
68
60
6.
Temin and Baltimore are associated with the discovery of
RNA synthesis
Transcription
Reverse transcription
photorespiration
7.
Nitrogenous base sequence in one strand of DNA is ATGCTTGA, the sequence in the complementary strand will be
TAGGTAGT
TACGAACT
TACGTACT
TCCGAACT
8.
Jumping genes given by Barbara Mclintock are also called
Transposons
Mutons
Cistrons
Vectors
1.
( )
Consecutive nucleotides are attached through 3'-5' phosphodiester linkage.
2.
( )
A nucliotide has a phosphate along with the pentose sugar and nitrogenous base; a nucleoside has only the pentose sugar and nitrogenous base.
3.
( )
Small subunit
4.
(b)
Nitrogenous base + sugar + phospate
5.
(b)
61
6.
(c)
Reverse transcription
7.
(b)
TACGAACT
8.
(a)
Transposons
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