Who considered evolution as due to mutation?
Charles Darwin
Lamarck
Hugo de Vries
Cuvier
Correct Answer :
C. Hugo de Vries
Related Questions
Which of the following diseases is considered as completely eradicated from India, as no case of the same has been reported in last one year?
Polio
Tuberculosis
Cancer
Swine flu
Spiders can take only
solid food
liquid food
plant juice
flesh of dead animals
Blood platelets are found in
all vertebrates
all chordates
mammals only
birds and mammals
Evergreen forests are confined to
Equatorial region
Temperate region
Alpine region
Arctic region
The theory of use and disuse was used to explain evolution by
Lamarck
Darwin
De Vries
Wallace
Vitamin D deficiency leads to
sterility
pellagra
rickets
capillary fragility
Which of the following characteristics separates man from all other primates?
Exhibition of curiosity
Degenerate sense of smell
Opposability thumb
Projecting chin
The bile contains the pigments
haemoglobin and haemoerythrin
biliviridin and bilirubin
bilirubin and haemocyanin
haemoglobin and biliviridin
Loss of blood is minimized due to blood
clotting
receding
healing
drying up
Baldness is seen only in the males because
it is a male disorder
it is linked with male Y chromosome
it is influenced by male hormone
females cover it up with wigs
The blood of cockroach shows the following characteristics except one. Mark it.
It serves to distribute nutrient directly to every part of the body
It contains several kinds of corpuscles without haemoglobin
It collects metabolic wastes
It carries oxygen
The Green Revolution in India owes much to
MS Swaminathan
TS Venkataraman
Norman Borlaug
Prime Minister
What ia leukaemia?
proliferation of WBC
decrease of RBC
increase of platelets
decrease of WBC
At the end of a reaction enzymes are
left as they are
reduced
increased
neutralised
Milk fever in cows occurs due to lack of
Phosphates
Calcium
Iron
Iodine
Savannah is
grass land
desert
forest
snow clad mountains
Which among the following is a balanced fertiliser for plants?
Urea
Ammonium Sulphate
Nitrates
Compost
Heart is made up of
nonstriated muscle
cardiac muscle
connective tissue
nervous tissue
Oxygen transportation in human body takes place through
1) Blood
2) Lungs
3) Tissue
The correct sequence of transportation is
1, 2 and 3
3, 1 and 2
2, 1 and 3
1,3 and 2
Digestion of proteins starts in the
mouth
stomach
duodenum
intestine
Biocatalysts are
hormones
vitamins
enzymes
pheromones
Sex linked genes are carried by
X-chromosomes
Y-chromosomes
different part of X- and Y-chromosomes
autosomes
The eland having endorine as well as exocrine function is
Adrenal gland
Thyroid gland
Pituitary gland
Pancreatic gland
Whooping cough is caused by
Salmonella
Bacillus pertussis
Variola
Vibriona
Bird nu is a disease which affects and spreads through
Cattle
Sheep
Prawn
Poultry
Green plants synthesise carbohydrates by the
holozoic method
holophytic method
saprophytic method
parasitic method
Human blood is oxygenated and purified in the
heart
lungs
liver
kidneys
The medulla oblongata encloses the
optic lobe
optic capsule
second ventricle
fourth ventricle
What are the symptoms of Xeroph-thalmia?
eye weakness
dry skin and night blindness
nervous break down
All the above
The hormone which is Popularly called as stress hormone is
Epinephrine
Cortisone
Thyroxine
Insulin