Tetrodotoxin is a potent poison that
erodes blood vessels
blocks conduction of nerve impulses causing respiratory paralysis
produces damage to the kidneys
produces intestinal bleeding
Correct Answer :
B. blocks conduction of nerve impulses causing respiratory paralysis
Related Questions
Temperature treatment which shortens the vegetative period and hastens the flowering is called
Phototropism
Photoperiodism
Vernalisation
Thermoregulation
Which one is called anti-haemorrhagic vitamin?
A
C
E
K
Nekton are those organisms
which cannot be netted
which are independent of tides and waves
which have long necks
None of the above
The disease Goitre is caused in persons who do not have in their diet sufficient
calcium
sodium
iodine
iron
Most of the enzymes are
proteins
lipids
acids
alkalis
The buffer substance in blood is
Calcium carbonate
Carbon dioxide
Sodium bicarbonate
Ammonia
Blood cancer is otherwise called
Leukaemia
Leucoderma
Leucocytopenia
Erythrocemia
Which of the following diseases is not caused by a virus?
Cancer
Rabies
AlDS
Severe Acute Respiratory Syndrome (SARS)
What do you mean by the term fauna?
plant kingdom
animal kingdom
both plant and animal kingdoms
A part of plant kingdom
Blood of cockroach is
red
bluish
greenish
colourless
Oxygen transportation in human body takes place through
1) Blood
2) Lungs
3) Tissue
The correct sequence of transportation is
1, 2 and 3
3, 1 and 2
2, 1 and 3
1,3 and 2
Antibodies are formed in
lymph nodes
red bone marrow
spleen
liver
Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called
Rickets
Beriberi
Xerophthalmia
Sterility
The layer of stagnant water in which light penetrates is called
Aphotic
Euphotic
Epilimnion
Disphotic
Enzymes are produced by
endocrine glands
exocrine glands
liver
spleen
The blood without corpuscles is called
bile
lymph
plasma
blood
Which of the following characteristics separates man from all other primates?
Exhibition of curiosity
Degenerate sense of smell
Opposability thumb
Projecting chin
Hypogeal germination is found in
castor
onion
bean
bengal gram
Which of the following diseases is water borne?
Cholera
Malaria
Filiariasis
None of the above
Intravascular clotting of blood is known as
anaemia
leucopenia
thrombosis
thrombin
Pneumonia is ,a bacterial disease caused by the type of bacteria called
Bacilli
Cocci
Sprilli
Vibrio
The animal without urinary bladder is
Bird
Man
Rabbit
Cow
What ia leukaemia?
proliferation of WBC
decrease of RBC
increase of platelets
decrease of WBC
Blood pressure is measured by
Auxanometer
Stethoscope
Sphygmomanometer
Kaleidoscope
Compared to the veins, the walls of arteries are
thicker
thinner
similar
very much thinner
The aphotic zone means that light is
always present
present during day
always absent
present during night
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
Insect pollination is known as
Hydrophily
Ornithophily
Anemophily
Entomophily
Scurvy is a disease caused by the deficiency of vitamin.
A
B
C
D
Veins carry blood
towards the heart
away from the heart
both to and from the heart
only around the heart