Edward Jenner to find out the efficacy of vaccination used
his own body
his friend's body
a corpse
a laboratory animal
Correct Answer :
A. his own body
Related Questions
The insects do not have blood pigments because
there is no blood
blood does not have a respiratory function
tissues have pigments
pigments are elsewhere
The germ theory of diseases was put forward by
Louis Pasteur
Luister
Leuwenhoek
Flemming
Late Blight' is a disease that affects the _______ crop.
coconut
cashew
potato
pepper
Cutting and layering are the methods of plant propagation usually referred to as
asexual reproduction
sexual reproduction
vegetative reproduction
gardening
Cancer cells are more easily damaged by radiation than normal cells because they are
different in structure
non-dividing
starved of nutrition
undergoing rapid division
1 gm of carbohydrate gives energy which is about
3 k cal
2 k cal
4.2 k cal
8.1 k cal
The artificial kidney operates on the principle of
dialysis
diffusion
osmosis
active transport
The part of the eye behind the lens is filled with
aqueous humor
vitreous humor
lymph
blood
Hormone promoting maleness in flowering plants is
Indole Acetic Acid
Kinetin
Cytokinin
Gibberellin
The grey matter of the brain is so coloured because of the concentration of
nerve cells
a pigment
nerve fibres
melanin
Valves are present inside
arteries
capillaries
veins
aorta
Which among the following is a Cast growing tree?
Teak
Eucalyptus
Banyan
Coconut
Organisms that live in the deep sea are mainly
Herbivores
Carnivores
Detritivores
None of the above
Fledgling is a term often used to denote the young one of a
bird
fox
dog
man
The influenza vaccine was discovered by
Salk
Khorana
Mittel
None of the above
Evergreen forests are confined to
Equatorial region
Temperate region
Alpine region
Arctic region
The function of connective tissue is
to hold the other tissues together
to facilitate diffusion
to help transportation of dissolved material from capillaries to epithelial cells
protection
Green plants synthesise carbohydrates by the
holozoic method
holophytic method
saprophytic method
parasitic method
Whooping cough is caused by
Salmonella
Bacillus pertussis
Variola
Vibriona
Which of the following organelles is known as the 'power House' of the cell?
Golgi Bodies
Ribosomes
Mitochondria
None of these
DNA is found
only in cytoplasm
only in nucleus
in both cytoplasm and nucleus
in hybrid form only
Human blood is oxygenated and purified in the
heart
lungs
liver
kidneys
A plant cell is distinguishable from an animal cell by the presence of
nucleus
cell wall
chloroplasts
cell membrane
The human heart is
Neurogenic heart
Myogenic heart
Pulsating heart
Ampullary heart
Haemophllia is a genetic disorder which leads to
decrease in haemoglobin level
rheumatic heart disease
increase in haemoglobin level
non-clothing of blood
The dreaded virus which, on reaching the central nervous system, produces spasms of the muscles of the throat and the cheat while swallowing, and is sure to kill the patient is
Poliomyelitis virus
AIDS virus
Smallpox virus
Rabies virus
When one gene controls two or more different characters simultaneously, the phenomenon is called
Apomixis
Pleiotropy
Polyploidy
Polyteny
Biocatalysts are
hormones
vitamins
enzymes
pheromones
What do you mean by the term fauna?
plant kingdom
animal kingdom
both plant and animal kingdoms
A part of plant kingdom
Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the
fungi
plants
insects
bacteria