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Question-1
Name the two scientists who invented the structure of DNA molecule.
(A)
James Watson and Francis Crick
(B)
Albert Einstein
(C)
Issac Newton
(D)
C.V. Raman
Question-2
tRNA stands for:
(A)
Transmit RNA
(B)
Transformation RNA
(C)
Transport RNA
(D)
Transfer RNA
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
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-5
Write the name of several factors which are increasing the chance of occurrence of mutations.
(A)
Markers
(B)
Mutagens
(C)
Chromosome
(D)
Genes
Question-6
Chromosomes are formed mainly of two types of chemical substances, one is the nucleic acid (DNA and RNA). Which is the other one?
(A)
Virus
(B)
Bacteria
(C)
Protein
(D)
All of these
Question-7
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-8
Who invented the finger print technique?
(A)
Sir Alec Jeffrey
(B)
James Watson
(C)
Francis Crick
(D)
Carl Linnaeus
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
Total number of chromosomes that a human body does consist.
(A)
32
(B)
24
(C)
46
(D)
40
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Cambridge Advanced Grade 12
IGCSE
Practice in Related Chapters
Transport in Plants
Regulations and Control
DNA and Protein Synthesis
The Molecules of Life
Photosynthesis and Plant Nutrition
Enzymes
Genetics
Cell
Cell Division
Ecology
Animal Nutrition
Reproduction in Animals
Gas Exchange
Evolution
Transport in Mammals
Respiration
Heterotrophic Nutrition
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