General Knowledge - Biology
Exam Duration: 45 Mins Total Questions : 30
In jaundice, which organ is mainly affected?
- (a)
Liver
- (b)
Kidney
- (c)
Lungs
- (d)
Brain
Organisms like lichens are very sensitive to the levels of
- (a)
Carbon dioxide
- (b)
Sulphur dioxide
- (c)
Carbon monoxide
- (d)
Methane
Soil erosion is caused due to
- (a)
Strong winds
- (b)
Heavy rains
- (c)
Keeping the fields fallow for a long time
- (d)
All of these
Medulla oblongata of hind brain controls
- (a)
rate of heart beat
- (b)
equilibrium
- (c)
thinking
- (d)
vision
The carbohydrate reserve of plants is
- (a)
Starch
- (b)
Glycogen
- (c)
Fat
- (d)
Cellulose
ATP synthesis occurs in response to
- (a)
Electron gradient
- (b)
Turgor pressure gradient
- (c)
Proton gradient
- (d)
Negative pressure
Loss of water in vapour form from leaf surface is
- (a)
Transpiration
- (b)
Translocation
- (c)
Transportation
- (d)
Guttation
The muscles taking part in expansion of thoracic cavity during inhalation are
- (a)
Internal intercostal muscles
- (b)
External Intercostal muscles
- (c)
Phrenic muscles
- (d)
Both (b) and (c)
Which one of the following sets is correctly matched?
- (a)
Diphteria, Penumonia: Hereditary and Leprosy
- (b)
AIDS, Syphilis: Bacterial Gonorrhoea
- (c)
Colour blindness, Haemophilia: Sex Linked
- (d)
Polio, Japanese B encephalitis and Kala-Azar: Viral
Xerophthalmia is a disease caused due to the deficiency of
- (a)
Vitamin A
- (b)
Vitamin B
- (c)
Vitamin C
- (d)
Vitamin D
A sudden fall in the level of mercury in a barometer indicates
- (a)
fair weather
- (b)
stormy weather
- (c)
cold weather
- (d)
hot weather
When a bottle of perfume is opened in one corner of a room the smell spreads throughout the room. This is an example of
- (a)
Surface tension
- (b)
Capillarity
- (c)
Viscosity
- (d)
Diffusion
Dioptre is the unit of power of
- (a)
Light
- (b)
Sound
- (c)
Energy
- (d)
Lenses
The escape velocity of an object projected from the surface of a given planet is independent of
- (a)
mass of the planets
- (b)
mass of the object
- (c)
opposite to the direction of projection
- (d)
radius of the planet
The largest planet in solar system
- (a)
Earth
- (b)
Jupiter
- (c)
Venus
- (d)
Mercury
The Scientist who discovered blood groups is
- (a)
T.H. Morgan
- (b)
Darwin
- (c)
William Harvey
- (d)
None of the above
Foal is the young one of a
- (a)
Cat
- (b)
Horse
- (c)
Lion
- (d)
Kangaroo
Pisciculture is concerned with
- (a)
Fish
- (b)
Silk
- (c)
Wine
- (d)
Fruit
Wisdom teeth normally grow during the age of
- (a)
12-15 years
- (b)
17-30 years
- (c)
34-40 years
- (d)
40-45 years
Clotting of blood vessels is called
- (a)
Thrombosis
- (b)
Rheumatism
- (c)
Agglutinisation
- (d)
Fibrosis
Blood does not clot in the absence of Vitamin K because it is
- (a)
essential for synthesis of prothrombin
- (b)
essential for synthesis of fibrinogen
- (c)
an essential component of the clot
- (d)
an essential component of the platelets
What should be the minimum interval between two successive blood donations?
- (a)
6 weeks
- (b)
3 months
- (c)
6 months
- (d)
8 months
The deficiency of vitamin B2may lead to which of the following?
- (a)
Osteomalacia
- (b)
Night blindness
- (c)
Cataract
- (d)
Diarrhoea
The drug which does not have sedative effect but along with alcohol produces marked drowsiness is
- (a)
barbiturate
- (b)
valium
- (c)
antihistamine
- (d)
marijuana
The hepatitis-B, which affects liver is actually a
- (a)
virus
- (b)
bacterium
- (c)
protozoan
- (d)
helminth
Which bacteria cause food poisoning?
- (a)
Aspergillus
- (b)
Clostridium
- (c)
Salmonella
- (d)
Rhizobium
The group of disease carried by insects is
- (a)
typhoid, jaundice, dysentery
- (b)
mumps, measles, smallpox
- (c)
scabies, ringworm, scarlet fever
- (d)
malaria, filarial, yellow fever
Which of the following statements is false?
- (a)
Viruses exhibit the characteristic of living as well as non-living
- (b)
The disease causing micro organism are called pathogens
- (c)
Malaria is a bacterial disease caused by Plasmodium
- (d)
Edward Jenner invented vaccine against Polio
Rickets is a disease caused due to deficiency of
- (a)
vitamin A
- (b)
vitamin B
- (c)
vitamin C
- (d)
vitamin D
An organism that carries the microbes and responsible for its transmission, without itself getting the disease are called
- (a)
pathogen
- (b)
microbes
- (c)
vector
- (d)
virus