Smartindia Classroom
CONTENTS
Maths
English
Physics
Chemistry
Biology
Geography
Computer
Business Studies
Economics
Accountancy
Back to home
Start Practice
Question-1
The process of producing many identical organisms or clones is called:
(A)
Chromosomes
(B)
Oncogenes
(C)
Cloning
(D)
Clone
Question-2
The structure of a DNA molecule appear:
(A)
Antiparallel strands
(B)
Back bone
(C)
Pallet model
(D)
Double helix
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
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-5
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-6
The technique that introduce wild type normal gene into somatic cells so that the normal gene product can be synthesized and therefore compensate for the defective gene.
(A)
DNA ligase
(B)
Plasmid
(C)
Gene therapy
(D)
Gene technology
Question-7
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-8
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-9
Some times a zygote has three sets of chromosomes which are called:
(A)
Eggs
(B)
Triploid
(C)
Mutation
(D)
Tetraploid
Question-10
Transgenies or transgenic organisms are also called:
(A)
Genetically modified
(B)
Transgenic
(C)
Fertilized egg
(D)
Biologically modified
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
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
Powered By
