Smartindia Classroom
CONTENTS
Biology
Biology-Prev.Year Repeated Questions
Chemistry
English
Mathematics
Physics
Biotechnology
Back to home
Start Practice
Question-1
. Due to discovery of which of the following in 1980, the evolution was termed as RNA world
(A)
m—RNA, t-RNA, r-RNA synthesis proteins
(B)
in some viruses RNA is genetic material
(C)
RNA has enzymatic property
(D)
RNA is not found in all cells.
Question-2
The term ‘Meiosis’ was given by
(A)
A. Fleming
(B)
Farme and
Moore
(C)
Johansen
(D)
Knoll and Ruska
Question-3
Koch’s postulates are not applicable to
(A)
Diphtheria
(B)
Cholera
(C)
TB
(D)
Leprosy
Question-4
Flagella of prokaryotic and eukaryotic cells differ
in
(A)
Type of movement and placement in cell
(B)
Location in cell and mode of functioning
(C)
Micro tubular organization and type of movement
(D)
Micro tubular organization and function.
Question-5
The most abundant element present in the plants is
(A)
Carbon
(B)
Nitrogen
(C)
Manganese
(D)
Iron
Question-6
AIDS disease was first reported in
(A)
USA
(B)
France
(C)
Russia
(D)
Germany
Question-7
Employment of hereditary principles in the improvement of human race is
(A)
Euthenics
(B)
Eugenics
(C)
Euphenics
(D)
Ethnology
Question-8
Photosynthetically active radiation (PAR) represents the following range of wavelength:
(A)
500- 600 nm
(B)
450-950 nm
(C)
340-450 nm
(D)
400-700 nm
Question-9
A self-fertilizing trihybrid plant forms
(A)
8 different gametes and 64 different zygotes
(B)
4 different gametes and 16 different zygotes
(C)
8 different gametes and 16 different zygotes
(D)
8 different gametes and 32 different zygotes.
Question-10
Recently Govt. of
India
has followed mixing of alcohol in petrol. What is the amount of alcohol permitted for mixing in petrol?
(A)
2.5%
(B)
10-15%
(C)
10%
(D)
5%
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
Plus 2 Biology Science
CBSE
Practice in Related Chapters
Plant Reproduction
Animal Tissue
Kingdom Monera
Plant Kingdom
Biological Classification
General Biology
Respiratory System
Digestive System And Nutrition
Circulatory System and Immunity
Plant Morphology
Plant Anatomy
Cell Reproduction
Human Genetics & Genetic Disorders
Mendelian & Postmendelian Genetics
Genes & Chromosomes
Biomolecules
Enzymes
Cell Respiration
Cell Respiration
Kingdom Fungi
Aging And Death
Common Human Diseases
Evolution
Drug And Addiction
Reproduction And Embryonic Development
Endocrine System
Excretion And Osmoregulation
Nervous System & Sense Organs
Musculo-Skeletal System
Powered By
