Phenylketonuria is an example of an inborn error of metabolism. Thins error refers to
hormonal overproduction
atrophy of endocrine glands
inherited lack of an enzyme
nondisjuction of chromosomes
Correct Answer :
C. inherited lack of an enzyme
Related Questions
Insulin is concerned with the metabolism of
sugar
fats
proteins
vitamins
Which of these is most consistently observed in Vitamin B12 deficiency?
Pigmentation of skin
Red, sore tongue with capillary atrophy
Megaloblastic anemia
Absence of tendon reflexes
Vitamin D deficiency leads to
sterility
pellagra
rickets
capillary fragility
Which among the following is not a degenerative disease?
Diabetes
Stroke
Myocardial infraction
Rabies
The bacteria that gets into our body is consumed by
RBC
Blood platelets
Plasma
Phagocytes
Blood of cockroach is
red
bluish
greenish
colourless
Modern classification of the living world recognise ___________ kingdoms.
two
three
four
five
The plants will stop growing if the shoot tip is cut off because
shoot tip produces growth hormones
shoot tip contains meristematic cells
shoot tip is the growing part
the plant dies
The muscles of the heart are
striated and involuntary
striated and voluntary
smooth and involuntary
smooth and voluntary
Pulse rate is measured in the wrist by observing the jerks of blood In the
veins
capillaries
arteries
nerves
The normal systolic blood pressure is
140
120
180
80
Cutting and layering are the methods of plant propagation usually referred to as
asexual reproduction
sexual reproduction
vegetative reproduction
gardening
In case of a heart attack a hormone is injected as an emergency measure. Which one is it?
Thyroxine
Adrenaline
Heparin
Insulin
The geotropism of the roots that makes them grow towards gravity is said to be
positive
negative
neutral
oblique
The animal without urinary bladder is
Bird
Man
Rabbit
Cow
The buffer substance in blood is
Calcium carbonate
Carbon dioxide
Sodium bicarbonate
Ammonia
Hypogeal germination is found in
castor
onion
bean
bengal gram
Fat present below the skin surface in our body acts as a barrier against
loss of heat from the body
loss of essential body fluids
loss of salts from the body
entry of harmful micro-organisms from the environment
Oxygen transport is a function of
White Blood Corpuscles
Red Blood-Corpuscles
Blood Platelets
Plasma
Which among the following animals has the largest Intestine?
Cow
Lion
Monkey
Tiger
In a gamete there will be
one pair of sex chromosomes
only one sex chromosome
no sex chromosome
only autosomes
The life cycle of Malarial Parasite consists of two phases in man. Where do they occur?
In RBC and liver cells
In WBC and RBC
In lymph
In gall bladder and pancreas
Biocatalysts are
hormones
vitamins
enzymes
pheromones
The insects do not have blood pigments because
there is no blood
blood does not have a respiratory function
tissues have pigments
pigments are elsewhere
Which of the following organelles is known as the 'power House' of the cell?
Golgi Bodies
Ribosomes
Mitochondria
None of these
Man has ____ pairs of salivary glands.
3
4
6
8
Ecology of a population is known as
demecology
synecology
autecology
space ecology
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
Haemoglobin is dissolved in the plasma of
frog
fish
man
earthworm
Measles and influenza are caused by
virus
bacteria
insects
nematodes