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Question-1
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-2
Employment of hereditary principles in the improvement of human race is
(A)
Euthenics
(B)
Eugenics
(C)
Euphenics
(D)
Ethnology
Question-3
Evolutionary history of an organism is known as
(A)
Ontogeny
(B)
Phylogeny
(C)
Ancestry
(D)
Paleontology
Question-4
The most abundant element present in the plants is
(A)
Carbon
(B)
Nitrogen
(C)
Manganese
(D)
Iron
Question-5
H.J. Muller had received Nobel Prize for
(A)
His studies on Drosophila for genetic study
(B)
proving that the DNA is a genetic material
(C)
Discovering the linkage of genes
(D)
discovering the induced mutations by X-rays
Question-6
The term “antibiotic” was coined by
(A)
Edward Jenner
(B)
Louis Pasteur
(C)
Selman Waksman
(D)
Alexander Fleming
Question-7
During viral infection the protein formed in host cells to resist is
(A)
Interferon
(B)
Antitoxin
(C)
Antibody
(D)
Histone
Question-8
The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin G. Krebs for their work concerning
(A)
Reversible protein phosphorylation as a biological regulation mechanism
(B)
Isolation of the gene for a human disease
(C)
Human genome project
(D)
Drug designing involving inhibition of DNA synthesis of the pathogen.
Question-9
Koch’s postulates are not applicable to
(A)
Diphtheria
(B)
Cholera
(C)
TB
(D)
Leprosy
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%
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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
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