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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
Mutations can be induced by physical or chemical agents called:
(A)
Mutagens
(B)
Gene
(C)
Chromosome
(D)
Aberration
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
The process of producing many identical organisms or clones is called:
(A)
Chromosomes
(B)
Oncogenes
(C)
Cloning
(D)
Clone
Question-6
Write the name of several factors which are increasing the chance of occurrence of mutations.
(A)
Markers
(B)
Mutagens
(C)
Chromosome
(D)
Genes
Question-7
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-8
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-9
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-10
The number of chromosomes is patients with ' Down syndrome '.
(A)
46 chromosome
(B)
40 chromosomes
(C)
47 chromosomes
(D)
21 chromosomes
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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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