The pathogenic organisms of an infected person are destroyed by the action of
erythrocytes
leucocytes
blood platelets
all of these
Correct Answer :
B. leucocytes
Related Questions
The development of new organs is termed
Parthenogenesis
Morphogenesis
Histogenesis
Paedogenesis
If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?
A
AB
O
Both (a) and (c)
Malarial parasite is brought to human host by
male anopheles mosquito
female anopheles mosquito
male culex
female culex
Biological control is to check growth of
plants
animals
weeds
one pest by another
Man has ____ pairs of salivary glands.
3
4
6
8
Heart is made up of
nonstriated muscle
cardiac muscle
connective tissue
nervous tissue
An organism eating its own species is called
carnivore
detritivore
cannibal
herbivore
Diabetes is caused by
fall in insulin level
increase in insulin level
eating too much sugar
decrease in glucose
It Is not advisable to sleep under a tree at night because of release of
oxygen in a lesser quantity than the required levels
oxygen in large amounts
carbon monoxide
carbon dioxide
Darwinism does not explain
progression
retrogression
usefulness of all organs
presence of vestigial organs
For which of the following is insulin treatment given?
Cancer
Diabetes
Asthma
Typhoid
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
The equilibrium and co-ordination is looked after by which part of the brain?
Cerebrum
Medulla oblongata
Cerebellum
Olfactory lobes
When one gene controls two or more different characters simultaneously, the phenomenon is called
Apomixis
Pleiotropy
Polyploidy
Polyteny
The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain
bacterium
virus
viroid
prion
Which one of the following is viral disease?
Syphilis
Influenza
Lock Jaw
Typhoid
The theory that believes that the first living organism came from another planet is known as
Catastrophism
Special creation
Organic evolution
Cosmozoic theory
What are the symptoms of retinal deficiency?
Dry skin
Rough skin
Night blindness
Sensitiveness to light and ulcers
Typhoid is a disease caused by
virus
bactena
fungus
animal
The plant cells are surrounded rigidly by
plasmalemma
cell membrane
cell wall
plasma membrane
Vessels leaving the heart are
veins
arteries
capillaries
lymph ducts
Legumes are highly nutritious because they are rich in
starch
oils
fat
protein
Which one of the following is essential for blood clotting?
RBC
WBC
Blood platelets
Lymph
Blood clotting requires vitamin
A
B
C
K
The mode of nutrition in which particulate food is devoured is
holozoic
holophytic
saprophytic
parasitic
Small pox is caused by
bacteria
fungus
virus
algae
Intravascular clotting of blood is known as
anaemia
leucopenia
thrombosis
thrombin
Tse-Tse fly is the vector for
malarial parasite
try peorosoma
piroplasm
microfilaria
Who is called the father of modem antiseptic surgery?
Edward Jenner
Joseph Lister
Louis Pasteur
William Harvey
Hormones are carried from their place of production by
Ducts
Blood
Lymph
Mucus