Maize is attacked by
Phytophthora
Pythium
Ustilago
Puccinia
Correct Answer :
C. Ustilago
Related Questions
The olfactory area is concerned with
smell
sight
hearing
speech
Pulse rate is measured in the wrist by observing the jerks of blood In the
veins
capillaries
arteries
nerves
Eosinophil™s are stained by
alkaline dyes
acidic dyes
neutral dyes
vital stains
Excess carbohydrates and insufficient proteins in dally diet will lead to
Kwashiorkor
Night blindness
Pernicious anaemia
Loss of hair
Loss of blood is minimized due to blood
clotting
receding
healing
drying up
Enzymes are produced by
endocrine glands
exocrine glands
liver
spleen
The spider spins its web from a liquid secreting from its
posterior silk gland
posterior abdomen glands
mouth
salivary glands
Light compensation zone refers to
where light is available in plenty
where all light energy is used
where light is maximum
beyond which light does not penetrate
The influenza vaccine was discovered by
Salk
Khorana
Mittel
None of the above
In movable joints the tips of the bones are covered with
hyaline cartilage
calcified cartilage
elastic cartilage
fibrous cartilage
Translocation of food takes place in plants through
xylem
phloem
cambium
cortex
The waste product In the urine of man is
urea
uric acid
ammonia
non-nitrogenous
Bacteria utilising radiant energy to prepare food are
chemosynthetic bacteria
heterotrophic bacteria
photosynthetic bacteria
free living bacteria
Who discovered the electron microscope?
Knoll and Ruska
Rudolf and Kolliker
Robert Hooke
CP Swanson
The part of the eye behind the lens is filled with
aqueous humor
vitreous humor
lymph
blood
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
Whooping cough is caused by
Salmonella
Bacillus pertussis
Variola
Vibriona
The first sign of life made its appearance on the earth about
1 million years ago
500 million years ago
1 billion or 1000 million years ago
3 billion years ago
Wallace's line is a line
drawn by Darwin
across the mountains
between two zoo-geographical areas
between different classes of animals
Deciduous forests are those with trees
that are evergreen
that shed leaves periodically
that have needle like leaves
that have no leaves at all
Blood cancer is otherwise called
Leukaemia
Leucoderma
Leucocytopenia
Erythrocemia
The artificial kidney operates on the principle of
dialysis
diffusion
osmosis
active transport
The part of the brain which is responsible for intelligence is
cerebrum
opthalmic
cochlea
semicircular canals
Niche' refers to
place of living
type of food
place of living and type of food
food and movement
Valve a are present inside
Arteries
Capillaries
Veins
Lymph vessels
The bile contains the pigments
haemoglobin and haemoerythrin
biliviridin and bilirubin
bilirubin and haemocyanin
haemoglobin and biliviridin
Edward Jenner to find out the efficacy of vaccination used
his own body
his friend's body
a corpse
a laboratory animal
Diabetes is a disease which is
contagious
non-communicable
communicable
epidemic
Eye is an organ that can be called as
Phonoreceptor
Thigmoreceptor
Photoreceptors
Rheoreceptor
Lymphocytes are manufactured by
bone marrow
spleen
liver
lymph nodes