Maintenance of pregnancy is under the control of
follicular stimulating hormone
growth hormone
estrogen
progesterone
Correct Answer :
D. progesterone
Related Questions
Man has ____ pairs of salivary glands.
3
4
6
8
The two German scientists who proposed the 'cell theory' were
Mendel and 'Darwin
Theodore Schwann and Matthias Schleiden
Virchow and Purkinje
porter and Palade
The smallest size of a cell which can be seen directly by the eye is
One micron
10 micron
100 micron
1000 micron
The principal reason why it is better to have two eyes than one is that
by having two eyes, one can distinguish colours more easily
by having two eyes, one can easily see in the dark and dim light
this gives the man a type of vision known as mosaic vision
this enhances depth perception in the humans
The bone cells are connected with each other by
Haversian canal
canaliculi
capillaries
matrix
In plants water is carried upwards by
phloem
paranchyma
xylem
meristem
Dr Khorana's work relates to
synthesis of simple DNA
genetic code
reduction of mutation
synthesis of RNA from bacterial cell
The theory of 'jumping genes' was propounded by
Gregor John Mendel
Thomas Hunt Morgan
Barbara McClintock
Watson and Crick
Measles is caused by
bacteria
fungus
virus
protozoan
Lamarck's theory of inheritance of acquired characters was challenged by
August Weismann
Hugo de Vries
Herbert- Spencer
Carl Linnaeus
A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's blood serum there is a drop In
calcium
iron
sodium
phosphorus
The specific gravity of blood is
lower than water
higher than water
same as water
many times that of water
The grouping o( blood is based on substances called
antibodies
antigens
antitoxin
enzymes
The golden age of Dinosaurs was
Palaezoic
Cenozoic
Mesozoic
Proterozoic
The first person to observe the bacteria, protozoa and spermatozoa under the microscope was
Theodore Schwann
Matthias Schleidon
Robert Hooke
Leuwenhoek
Sleeping sickness in man is caused by the organism
plasmodium
entamoeba
giardia
trypanosome
Egg laying animals are referred to as
viviparous
oviparous
ovoviviparous
vegetative
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 pigment which is responsible for blood clotting is
Fibrinogen
Haemoglobin
Glucose
Blood cells
Those small organisms which float on the surface of water are called
Necton
pH indicators
Plankton
Benthos
Eosinophil™s are stained by
alkaline dyes
acidic dyes
neutral dyes
vital stains
Blood is
acidic
alkaline
neutral
like a buffer
A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?
diphtheria
dysentery
jaundice
typhoid
Which one of the following is essential for blood clotting?
RBC
WBC
Blood platelets
Lymph
Translocation of food takes place in plants through
xylem
phloem
cambium
cortex
Gases of Jupiter' are
Ammonia, Methane, Hydrogen
Sulphur, Urethane, Oxygen
Carbon, Phosphorus and Oxygen
Nitrogen, Hydrogen and Chlorine
The spider spins its web from a liquid secreting from its
posterior silk gland
posterior abdomen glands
mouth
salivary glands
The diseases that are caused by lack of vitamins are called
deficiency diseases
communicable diseases
epidemics
tropical diseases
Which of the following diseases is not caused by a virus?
Cancer
Rabies
AlDS
Severe Acute Respiratory Syndrome (SARS)
An organism eating its own species is called
carnivore
detritivore
cannibal
herbivore