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Question-1
Mutations when they arise suddenly in nature are called:
(A)
Mutagens
(B)
Duplication
(C)
Deletion
(D)
Spontaneous mutation
Question-2
Which technique is often used for the purpose of identifying racial groups of rewrite biological evolution?
(A)
Genomics
(B)
Genome
(C)
Gene therapy
(D)
DNA finger printing
Question-3
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-4
Who discovered the Gene technique of therapy?
(A)
Martin Clive
(B)
Sir Alec Jeffrey
(C)
James Watson
(D)
Francis Crick
Question-5
DNA molecule is copied so that one copy can be distributed to each of which type of cell?
(A)
Gene cells
(B)
Two daughter cells
(C)
Two parent cells
(D)
Cells
Question-6
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-7
The process by which a portion of a chromosome is repeated.
(A)
Tandem
(B)
Mutation
(C)
Duplication
(D)
Deletion
Question-8
The inherited disease 'acute intermittent porphyria' is caused by a gene mutation which effects an enzyme:
(A)
Porphobilinogen deaminase
(B)
Glycine
(C)
Coenzyme
(D)
Porphyria
Question-9
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-10
The structure of a DNA molecule appear:
(A)
Antiparallel strands
(B)
Back bone
(C)
Pallet model
(D)
Double helix
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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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