Synthesis of nutrients by green plants is called
photo-oxidation
photo-respiration
photo-synthesis
photo-periodism
Correct Answer :
C. photo-synthesis
Related Questions
The theory that all animals and plants are made up of cells and they could arise only from pre-existing cells was propounded by
Robert Hooke
Matthias Schleiden and Theodore Schwann
Purkinije
Leuwenhoek
Adaptation for flying is termed as
aquatic
volant
fossorial
cursorial
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
Which one of the following was probably absent in the atmosphere at the time of origin of life?
Ammonia
Oxygen
Hydrogen
Carbon
Maintenance of pregnancy is under the control of
follicular stimulating hormone
growth hormone
estrogen
progesterone
The study of ecology with pyramids was invented by
Darwin
Elton
Odum
Joshua
The diseases that are caused by lack of vitamins are called
deficiency diseases
communicable diseases
epidemics
tropical diseases
Bats can fly in the dark because
they have a better vision in the dark
the light startles them
they produce high pitched sounds called ultrasonics
None of the above
The phenomenon of summer sleep by animals is called
hibernation
aestivation
laziness
lethargy
Late blight of potato is caused by
Puccinia
Pennisetum
Phytophthora
Erysiphe
The tallest tree in the world Sequoia™ is found in
UK
USA
former USSR
China
Measles and influenza are caused by
virus
bacteria
insects
nematodes
Which organism probably arrived first in the world?
Algae
Fungi
Protozoa
None of the above
The method of inducing artificial immunity was discovered by
Jenner
Tolstoy
Pasteur
Morgan
The disease in which blood clotting does not take place is known as
Xerophthalmia
Haemopoeisis
Haemophilia
Haemoerythrin
The animal that excretes uric acid
Monkey
Lizard
Mouse
Elephant
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
The grouping o( blood is based on substances called
antibodies
antigens
antitoxin
enzymes
Dr Khorana's work relates to
synthesis of simple DNA
genetic code
reduction of mutation
synthesis of RNA from bacterial cell
An organism eating its own species is called
carnivore
detritivore
cannibal
herbivore
Man has ____ pairs of salivary glands.
3
4
6
8
The cavities of the brain are filled with
Blood
Lymph
Water
Cerebrospinal fluid
The gestation period for the elephant is
10 months
15 months
22 months
30 months
Herbivores are
primary consumers
secondary consumers
tertiary consumers
decomposers
The disease in which blood clotting does not take place is known as
xerophthalmia
haemopoiesis
haemophilia
haemoerythrin
The part of the human brain concerned with sight is the
Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
The metallic part in haemoglobin is
Copper
Molybdenum
Nickel
Iron
Cutting and layering are the methods of plant propagation usually referred to as
asexual reproduction
sexual reproduction
vegetative reproduction
gardening
Memory is the responsibility of
cerebrum
cerebellum
medulla oblongata
spinal cord
Insulin is concerned with the metabolism of
sugar
fats
proteins
vitamins