The grouping o( blood is based on substances called
antibodies
antigens
antitoxin
enzymes
Correct Answer :
B. antigens
Related Questions
Heart is made up of
nonstriated muscle
cardiac muscle
connective tissue
nervous tissue
What are the symptoms of 'Pellagra'?
Colour blindness
Rickets
Patches of skin
Soft bones
The corn in an underground stem that grows
horizontally
vertically
above the soil
obliquely
Maize is attacked by
Phytophthora
Pythium
Ustilago
Puccinia
Which of the following diseases is not caused by a virus?
Cancer
Rabies
AlDS
Severe Acute Respiratory Syndrome (SARS)
Scurvy is prevented by vitamin
A
B
C
D
Diabetes is a disease which is
contagious
non-communicable
communicable
epidemic
What is the colour of the outer portion of the spinal cord?
gray
brown
white
yellow
Saliva flows at the sight of food. This action is
involuntary
voluntary
a reflex
causative
In a gamete there will be
one pair of sex chromosomes
only one sex chromosome
no sex chromosome
only autosomes
Which one of the following was probably absent in the atmosphere at the time of origin of life?
Ammonia
Oxygen
Hydrogen
Carbon
The study of heart is called
haematology
cardiology
pathology
nephrology
Hormones are carried from their place of production by
ducts
blood
lymph
muscus
Formation of blood
Histolysis
Histogenesis
Haemopoiesis
Haemolysis
Those small organisms which float on the surface of water are called
Necton
pH indicators
Plankton
Benthos
Cretinism is due to the disorder of the glands
Thymus
Parathyroid
Thyroid
Adrenal
Plants grown in darkness show
stout stem
long internodes
bigger leaves
no growth at all
Measles and influenza are caused by
virus
bacteria
insects
nematodes
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
Blood plasma from which fibrinogen is removed is known as
serum
blood concentrate
lymph
antibody component
Hormone promoting maleness in flowering plants is
Indole Acetic Acid
Kinetin
Cytokinin
Gibberellin
The hormones are carried to target organs through the
blood
lymph
water
corpuscles
The 'father of genetics' is
Mendel
Morgan
Darwin
Muller
The valve between the right auricle and right ventricle is called
Tricuspid
Bicuspid
Monocuspid
Semilunar
Which one of the following is caused by the expression of a recessive gene present on sex chromosome?
Rheumatism
Nervous shock
Muscular dystrophy
Cerebral haemorrhage
The plant hormone which promotes ripening of fruits is
auxin
ethylene
gibberellin
cytokinin
Blood of cockroach is
red
bluish
greenish
colourless
Spontaneous generation signifying the development of living organisms from non-living has been termed
Biogenesis
Abiogenesis
Cosmozoic
Catastrophism
Which of the following plays an important part in photosynthesis?
Chloroplast
Centrosome
Tonoplast
Nematoblast
Eye is an organ that can be called as
Phonoreceptor
Thigmoreceptor
Photoreceptors
Rheoreceptor