Bats can fly in the dark because
they have a better vision in the dark
the light startles them
they produce high pitched sounds called ultrasonics
None of the above
Correct Answer :
C. they produce high pitched sounds called ultrasonics
Related Questions
Human blood is oxygenated and purified in the
heart
lungs
liver
kidneys
The part of the human brain concerned with sight is the
Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
Measles and influenza are caused by
virus
bacteria
insects
nematodes
The phenomenon of summer sleep by animals is called
hibernation
aestivation
laziness
lethargy
Which of the following is a disease of brain?
SARS
AlDS
Diabetes
Alzheimer's
Afforestation means
study of forests
growing new forests
destroying the forests
go into the forests
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase
The scientist who discovered the blood groups is
Landsteiner
TH Morgan
William Harvey
Darwin
Modern classification of the living world recognise ___________ kingdoms.
two
three
four
five
The mode of nutrition in which particulate food is devoured is
holozoic
holophytic
saprophytic
parasitic
Clotting of blood is
a chain reaction
reversible reaction
reflex action
no reaction
pH of blood remains constant due to
blood pressure
buffer action
perspiration
respiration
What is the colour of the outer portion of the spinal cord?
gray
brown
white
yellow
Bovine Spongiform Encephalopathy refers to
Brain Fever
Mad Cow Disease
Enteric Fever
Poultry Diarrhoea
Sex linked genes are carried by
X-chromosomes
Y-chromosomes
different part of X- and Y-chromosomes
autosomes
The part of the brain in Control of Voluntary muscles is
cerebellum
medulla oblongata
pons
cerebrum
The pigment which is responsible for blood clotting is
Fibrinogen
Haemoglobin
Glucose
Blood cells
Which one is a water-soluble vitamin?
A
C
D
E
Which among the following is a balanced fertiliser for plants?
Urea
Ammonium Sulphate
Nitrates
Compost
The external ears of man are intended for
ornaments
scattering sound waves
collect sound waves
beauty
Tse-Tse fly is the vector for
malarial parasite
try peorosoma
piroplasm
microfilaria
The juice from the leaves of ________ is used for the treatment of diarrhoea, cholera and dysentery.
Caeselpinea
Bryophyllum
Centella
None of the above
The endocrine glands secrete
bile
harmones
sweat
genes
Blood plasma from which fibrinogen is removed is known as
serum
blood concentrate
lymph
antibody component
The thermoregulatory centre in the human brain is the
Pituitary
Spinal cord
Cerebellum
Hypothalamus
The radicle of the seeding always grows
towards the gravity
away from gravity
neutral to gravity
towards light
Bird nu is a disease which affects and spreads through
Cattle
Sheep
Prawn
Poultry
Blood plasma from which fibrinogen is removed is known as
serum
blood concentrate
lymph
antibody component
The wall of the heart is made of programmed cell death is known as
voluntary muscles
involuntary muscles
cardiac muscles
skeletal muscles
Eugenics is the application of genetics to improve
crop plants
fruit trees
cattle
human beings