Leaves Call off branches In the winter because of
fall in atmospheric pressure
completion of the duration of life of the plant
formation of separation (absciss layer) just outside the cork
shortening of day time
Correct Answer :
C. formation of separation (absciss layer) just outside the cork
Related Questions
The oldest era is
Palaeozoic
Mesozoic
Cenozoic
Proterozoic
The human heart is
Neurogenic heart
Myogenic heart
Pulsating heart
Ampullary heart
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
Heart is made up of
nonstriated muscle
cardiac muscle
connective tissue
nervous tissue
The part of the brain which is responsible for intelligence is
cerebrum
opthalmic
cochlea
semicircular canals
Most of the enzymes are
proteins
lipids
acids
alkalis
Eugenics is the application of genetics to improve
crop plants
fruit trees
cattle
human beings
The suggestion that the chromosomes are the carriers of hereditary material was first made by
Johanson
Flemming
Sutton and Boveri
Morgan
The most primitive mammals are
carnivorous
herbivorous
omnivorous
insectivorous
Accepted theory for the origin of life is
Cosmozoic theory
Biogenesis
Abiogenesis
Oparin's theory
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hormones
vitamins
enzymes
pheromones
Egg laying animals are referred to as
viviparous
oviparous
ovoviviparous
vegetative
Which one of the following animals stores water in the intestine?
Moloch
Camel
Zebra
Uromastix
Insects that make a clicking sound are
crickets
beetles
flies
silver fish
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase
Edward Jenner to find out the efficacy of vaccination used
his own body
his friend's body
a corpse
a laboratory animal
Which hormone is secreted when there is a rise in the blood glucose level?
Glucagon
Insulin
Nor-adrenaline
Thyroxine
The function of a cell wall is
to give definite shape to the cell
to provide mechanical strength and protection to the cell
to prevent the cell from desiccation
All the above
The specific gravity of blood is
lower than water
higher than water
same as water
many times that of water
Under the immunisation programme's Govt. of India is providing vaccination to prevent some vaccine-preventable diseases. Which of the following is NOT one of them?
Tuberculosis
Diphtheria
Tetanus
Plague
Excess of amino-acids are broken down to form urea in the
Liver
Kidney
Spleen
Rectum
Nucleus was first discovered by
Porter
Robert Brown
Palade
None of these
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
Adaptation for flying is termed as
aquatic
volant
fossorial
cursorial
Organisms which synthesise their own food are called
autotrophs
heterotrophs
saprotrophs
auxotrophs
The biologist who believed in the spontaneous creation of microorganisms was
Leuwenhock
Needham
Spallanzeni
Pasteur
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
Phototropism means that plants react to the direction of
sound
wind
light
gravity
Waldeyer gave the name
microsome
chromosome
ribosome
lysosome
Which among the following is a Cast growing tree?
Teak
Eucalyptus
Banyan
Coconut