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Online Short Questions For Chapter 6 "12th Class Biology Chapter 20 Short Questions Preparation "
Try The Short Questions For 12th Class Biology Chapter 20 Short Questions Preparation
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Total Questions10
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Available Sets6
Biology - 12th Class Biology Chapter 20 Short Questions Preparation
Question # 1
Name types of RNA.
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Ans 1: There are three types of RNA,which are named as
- Ans 2: i) Transfer RNA or tRNA, ii) Messenger RNA or mRNA, iii) Ribosomal RNA or r RNA.
12th Class Biology Chapter 20 Short Questions Preparation - Set 1
Question # 1
Name types of RNA.
-
Ans 1: There are three types of RNA,which are named as
- Ans 2: i) Transfer RNA or tRNA, ii) Messenger RNA or mRNA, iii) Ribosomal RNA or r RNA.
12th Class Biology Chapter 20 Short Questions Preparation - Set 2
Question # 1
Describe chromosomal aberrations.
- Ans 1: Chromosomal aberrations are mega changes which involve presence of an extra chromosome or loss of a chromosome from the diploid number of chromosomes or changes like addition,insertion,inversion and duplication.
12th Class Biology Chapter 20 Short Questions Preparation - Set 3
Question # 1
What is Semi-Conservative Model of DNA Replication?
- Ans 1: In semi conservative replication,the two strands of the duplex separates out each acting as a model or mold,along which new nucleotides are arranged thus giving rise to two new duplexes.In this process,by separation of two strands,primary structure has been conserved, whereas the secondary structure has been disrupted.
12th Class Biology Chapter 20 Short Questions Preparation - Set 4
Question # 1
What is phosphodiester linkage?
- Ans 1: The reaction between the phosphate group of one nucleotide and the hydroxyl group of another is dehydration synthesis,eliminating water molecule and forming a covalent bond that links the two groups is called phosphodiester bond.
12th Class Biology Chapter 20 Short Questions Preparation - Set 5
Question # 1
Where codon and anticodon are situated?
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Ans 1: Codon are situated on mRNA(messenger RNA) while anticodon are situated on tRNA(transfer RNA).
12th Class Biology Chapter 20 Short Questions Preparation - Set 6
Question # 1
Differentiate between codon and anticodon.
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Ans 1: Codon: Codon is sequence of three nucleotides present on mRNA and specifies an amino acid.
For Example codon for methionine is AUG. - Ans 2: Anti Codon: Anticodon is the sequence of three nucleotides present on tRNA,anti codon of metionine is UAC.
12th Class Biology Chapter 20 Short Questions
Here you can prepare 12th Class Biology Chapter 20 (Chromosoms and DNA). Click the button for 100% free full practice.
