Haemophilia is a hereditary disease carried by
females and expressed by females
females and expressed by males
males and expressed by females
males and expressed by males
Correct Answer :
B. females and expressed by males
Related Questions
Man has ____ pairs of salivary glands.
3
4
6
8
Mutations could be created by X-rays. This was found by
Muller
Morgan
Meyer
Flemming
The organ that produces antibodies in our body is
pancreas
salivary gland
liver
gonads
Plants grown in darkness show
stout stem
long internodes
bigger leaves
no growth at all
Saliva flows at the sight of food. This action is
involuntary
voluntary
a reflex
causative
Prions are composed largely of
DNA
proteins
RNA
None of these
One of the sequences given below represents a complete metamorphosis. Which one is it?
Egg - adult
Egg - nymph - adult
Egg - larva - pupa - adult
young one adult
Lamarck's theory of inheritance of acquired characters was challenged by
August Weismann
Hugo de Vries
Herbert- Spencer
Carl Linnaeus
The liver destroys old
leucocytes
thrombocytes
erythrocytes
lymphocytes
Green plants synthesise carbohydrates by the
holozoic method
holophytic method
saprophytic method
parasitic method
Which one of the ecosystems Is the largest in the world?
forests
rivers
deserts
oceans
Metastasis' is the process by which
cells divide rapidly under the influence of drugs
cancer cells spread through the blood or lymphatic system to other sites or organs
the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles
cance cells are successfully inhibited to divide any futhere
The 'germ theory of disease' was propounded by
Joseph Lister
Robert Koch
Louis Pasteur
Jacob Heule
It is possible to produce seedless tomato fruits by
applying trace elements in tomato fields
spraying mineral solution on plants
spraying harmones on flowers
applying fertilizers containing radioactive elements
The 'father of genetics' is
Mendel
Morgan
Darwin
Muller
The mouth of a river opening into the sea is termed as
shore line
littoral zone
continental shelf
estuary
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
Life begets life' or biogenesis was stated by
Robert Koch
Miller
Louis Pasteur
Lord Lister
During dehydration, the human body is usually lost by the human body is
sugar
sodium chloride
potassium chloride
iodine
Blood clotting requires vitamin
A
B
C
K
Clotting of blood is
a chain reaction
reversible reaction
reflex action
no reaction
Hypogeal germination is found in
castor
onion
bean
bengal gram
Savannah is
grass land
desert
forest
snow clad mountains
If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?
A
AB
O
Both (a) and (c)
The hypothesis that living matter originated in the past from non-living matter is supported by
Fossil records
Miller's experiments
Pasteur experiment
Spallanzeni experiment
The buffer substance in blood is
Calcium carbonate
Carbon dioxide
Sodium bicarbonate
Ammonia
India's first transgenic crop was
Potato
Brinjal
Sugarcane
Bt cotton
The science of improving the hereditary qualities of future generations of mankind is referred to as
genetics
eugenics
epigenesist
epistasis
The theory of use and disuse was used to explain evolution by
Lamarck
Darwin
De Vries
Wallace
Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.
vitamin A
vitamin B
vitamin C
vitamin E