The condition in which there is abnormal decrease of white blood corpuscles is known as
leukaemia
leucoderma
leukopenia
anaemia
Correct Answer :
C. leukopenia
Related Questions
The rate of growth of plants can be measured by a/an
manometer
auxanometer
photometer
thermometer
Diseases in plants can be caused by
virus
bacteria
fungi
All the above
Compared to the veins, the walls of arteries are
thicker
thinner
similar
very much thinner
Legumes are highly nutritious because they are rich in
starch
oils
fat
protein
Who first observed the plasma membrane?
William Seifriz
Schwann
Palade
None of the above
Deciduous forests are those with trees
that are evergreen
that shed leaves periodically
that have needle like leaves
that have no leaves at all
The scientist who discovered the blood groups is
Landsteiner
TH Morgan
William Harvey
Darwin
The artificial kidney is a
machine
transplant
another's kidney
other kidney form same body
Blood pressure is measured by
Auxanometer
Stethoscope
Sphygmomanometer
Kaleidoscope
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
Plants growing in saline marsh habitats are called
Xerophytes
Aerophytes
Saprophytes
Halophytes
The external ears of man are intended for
ornaments
scattering sound waves
collect sound waves
beauty
Biological control is to check growth of
plants
animals
weeds
one pest by another
Scurvy is prevented by vitamin
A
B
C
D
The specific gravity of blood
lower than water
higher than water
same as water
many times that of water
Prions are composed largely of
DNA
proteins
RNA
None of these
The first person to observe the bacteria, protozoa and spermatozoa under the microscope was
Theodore Schwann
Matthias Schleidon
Robert Hooke
Leuwenhoek
The mouth of a river opening into the sea is termed as
shore line
littoral zone
continental shelf
estuary
The energy for the sperm to swim and reach the egg is provided by
tail
head
neck
mitochondria
The age of a tree can be determined by
counting the number of annual rings
thickness of the bark
the bulk of the tree
the number of leaves
When the earth was formed it had an atmosphere with
Hydrogen, Oxygen and Nitrogen
Water Vapour, Hydrogen and Oxygen
Oxygen, Carbondioxide and Nitrogen
Water Vapour, Ammonia and Methane
The country's first 'brain bank' that can store up to 300 human brains has been opened at
Alleppey
Bengaluru
Bhubaneshwar
Mumbai
The disease Goitre is caused in persons who do not have in their diet sufficient
calcium
sodium
iodine
iron
The rate of heartbeat is accelerated by the hormone
adrenaline
acetylcholine
thyroxine
pituitrin
The theory that all animals and plants are made up of cells and they could arise only from pre-existing cells was propounded by
Robert Hooke
Matthias Schleiden and Theodore Schwann
Purkinije
Leuwenhoek
Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
snake
peacock
parrot
camel atmospheric pressure
The plant hormone which promotes ripening of fruits is
auxin
ethylene
gibberellin
cytokinin
The amount of blood in a normal man is about
5.0 litres
2.5 litres
3.8 litres
4.7 litres
When does the heart start functioning?
At birth
After birth
Before birth
After a week from birth
Synthesis of nutrients by green plants is called
photo-oxidation
photo-respiration
photo-synthesis
photo-periodism