Oparin is known for his hypothesis on
origin of species
origin of life
one germ one disease
one gene one enzyme
Correct Answer :
B. origin of life
Related Questions
Organisms which synthesise their own food are called
autotrophs
heterotrophs
saprotrophs
auxotrophs
Who coined the term gene?
Mendel
Devries
Jacob and Monod
Johanson
What are the symptoms of 'Pellagra'?
Colour blindness
Rickets
Patches of skin
Soft bones
The specific gravity of blood is
lower than water
higher than water
same as water
many times that of water
Spiders can take only
solid food
liquid food
plant juice
flesh of dead animals
Wallace's line is a line
drawn by Darwin
across the mountains
between two zoo-geographical areas
between different classes of animals
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
India's first transgenic crop was
Potato
Brinjal
Sugarcane
Bt cotton
The valve between the right auricle and right ventricle is called
Tricuspid
Bicuspid
Monocuspid
Semilunar
The mode of nutrition in which particulate food is devoured is
holozoic
holophytic
saprophytic
parasitic
The cell theory of Schleiden and Schwann states that
cells reproduce by mitosis or meiosis
all cells have nuclei
cells are basic units of plants and animals
cells arise only from pre-existing cells
Who first observed the plasma membrane?
William Seifriz
Schwann
Palade
None of the above
The medulla oblongata encloses the
optic lobe
optic capsule
second ventricle
fourth ventricle
A plant cell is distinguishable from an animal cell by the presence of
nucleus
cell wall
chloroplasts
cell membrane
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase
Saffron is the dried ________ of the saffron plant.
fruit
aril
stigmas and tops of styles
tender leaves and sprouts
Athlete's Foot' is a disease caused by
Bacteria
Fungus
Protozoa
Nematode
Vitamin D deficiency leads to
sterility
pellagra
rickets
capillary fragility
The 'graveyard of the RBC' refers to
spleen
liver
bone marrow
thymus
Who considered evolution as due to mutation?
Charles Darwin
Lamarck
Hugo de Vries
Cuvier
Which one of the following is viral disease?
Syphilis
Influenza
Lock Jaw
Typhoid
Haemophllia is a genetic disorder which leads to
decrease in haemoglobin level
rheumatic heart disease
increase in haemoglobin level
non-clothing of blood
Valve a are present inside
Arteries
Capillaries
Veins
Lymph vessels
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
Mendel chose for his experiments the plant
Bean
Pea
Cucumber
Rose
Which one of the following is not an essential micronutrient for plants?
Boron
Zinc
Sodium
Copper
The mouth of a river opening into the sea is termed as
shore line
littoral zone
continental shelf
estuary
Athlete's Coot is the common name for the fungal disease
Tinea pedis
Tinea cruris
Tinea corporis
Tinea capitis
Stripes on the bodies of animals Indicate
mating habit
food habit
cave dwelling
matching of skin colour with the surroundings
The waste product In the urine of man is
urea
uric acid
ammonia
non-nitrogenous