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Question-1
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-2
Prokaryotic cell lacks nuclear membrane and thus the genetic material is found in a compact structure. What is this called as?
(A)
Nucleotide
(B)
Nucleosome
(C)
Gene
(D)
Mutations
Question-3
Which technique is now used to identify criminals in forensic science?
(A)
DNA finger printing
(B)
Cloning
(C)
Gene therapy
(D)
Trypsin
Question-4
Mutations when they arise suddenly in nature are called:
(A)
Mutagens
(B)
Duplication
(C)
Deletion
(D)
Spontaneous mutation
Question-5
In human body, a single cell contains 23 DNA molecules from its father. How many does it contain from its mother?
(A)
46 DNA
(B)
26 DNA
(C)
23 DNA
(D)
20 DNA
Question-6
Some times a zygote has three sets of chromosomes which are called:
(A)
Eggs
(B)
Triploid
(C)
Mutation
(D)
Tetraploid
Question-7
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-8
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-9
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-10
Globular proteins are made from which of the polypeptide chains?
(A)
Cytoplasm
(B)
Hemoglobin
(C)
DNA
(D)
Protein
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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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