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Question-1
tRNA stands for:
(A)
Transmit RNA
(B)
Transformation RNA
(C)
Transport RNA
(D)
Transfer RNA
Question-2
The process by which a portion of a chromosome is repeated.
(A)
Tandem
(B)
Mutation
(C)
Duplication
(D)
Deletion
Question-3
How does the double stranded DNA split into single stranded DNA?
(A)
Transformation
(B)
Using alkaline chemicals
(C)
Radioactive
(D)
Ultraviolet radiation
Question-4
Protein is a polypeptide formed of many amino acids joined together by chemical bonds known as:
(A)
Enzyme
(B)
Peptide bonds
(C)
Genetic code
(D)
Protein synthesis
Question-5
A long stretch of DNA which contains the instructions for making a single protein or polypeptide is called:
(A)
Amino acid
(B)
Protein
(C)
Gene
(D)
Enzyme
Question-6
DNA regulates the cell metabolism by controlling the synthesis of protein through which type of RNA?
(A)
tRNA
(B)
rRNA
(C)
mRNA
(D)
RNA
Question-7
The bacteria which survive are the one that have taken up the plasmid. These bacteria containing genes from another organism are said to be:
(A)
Transformed
(B)
Vector
(C)
Transformation
(D)
Recombinant DNA
Question-8
Some times a part of the nucleus will get lost from a chromosome, this is known as:
(A)
Deletion
(B)
Mutation
(C)
Duplication
(D)
Tandem
Question-9
Chromosomes are formed mainly of two types of chemical substances, one is the nucleic acid (DNA and RNA) and name the other.
(A)
Virus
(B)
Bacteria
(C)
Protein
(D)
All of these
Question-10
Mutations can be induced by physical or chemical agents called:
(A)
Mutagens
(B)
Gene
(C)
Chromosome
(D)
Aberration
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Cambridge Advanced Grade 11
IGCSE
Practice in Related Chapters
The Molecules of Life
Regulations and Control
DNA and Protein Synthesis
Enzymes
Genetics
Cell
Cell Division
Photosynthesis And Plant Nutrition
Animal Nutrition
Reproduction in Animals
Ecology
Heterotrophic Nutrition
Gas Exchange
Evolution
Transport in Mammals
Transport in Plants
Respiration
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