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Question-1
Polyploidy has an important application in:
(A)
Genetic engineering
(B)
Crop breeding
(C)
Human development
(D)
Human disorders
Question-2
The number of chromosomes is patients with ' Down syndrome '.
(A)
46 chromosome
(B)
40 chromosomes
(C)
47 chromosomes
(D)
21 chromosomes
Question-3
The transmission of genetic information from one cell to another by adding DNA extract of one cell to the culture is called:
(A)
Transmission
(B)
Transformation
(C)
Bacteriophages
(D)
Protein coat
Question-4
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-5
Mutations can be induced by physical or chemical agents called:
(A)
Mutagens
(B)
Gene
(C)
Chromosome
(D)
Aberration
Question-6
Who discovered the Gene technique of therapy?
(A)
Martin Clive
(B)
Sir Alec Jeffrey
(C)
James Watson
(D)
Francis Crick
Question-7
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-8
Which is the technique that deals with genetic manipulations to produce an organism with a new combination of inherited properties?
(A)
Cloning
(B)
Genetic engineering
(C)
Oncogenes
(D)
Chromosomes
Question-9
Which technique is now used to identify criminals in forensic science?
(A)
DNA finger printing
(B)
Cloning
(C)
Gene therapy
(D)
Trypsin
Question-10
tRNA stands for:
(A)
Transmit RNA
(B)
Transformation RNA
(C)
Transport RNA
(D)
Transfer RNA
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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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