Plants growing in sunlight are called
sciophytes
hydrophytes
xerophytes
heliophytes
Correct Answer :
D. heliophytes
Related Questions
Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by
Louis Pasteur
Edward .Jenner
Joseph Lister
Martinus Willem Beijerinck
The protoplasm of a child is exactly the same as that of its
mother
father
grandfather
identical twin
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
When does the heart start functioning?
At birth
After birth
Before birth
After a week from birth
Oxygen transport is a function of
White Blood Corpuscles
Red Blood-Corpuscles
Blood Platelets
Plasma
Damage to hearing is caused by sounds which exceed
70 decibels
80 decibels
100 decibels
120 decibels
Vestigeal organs are those which are
fully formed and functional
much reduced but functional
much reduced and functionless
fully formed but functionless
When a movement of a plant organ is stimulated by contact with an object, it is termed
heliotropism
geotropism
haptotropism
gardening
When one gene controls two or more different characters simultaneously, the phenomenon is called
Apomixis
Pleiotropy
Polyploidy
Polyteny
The specific gravity of blood is
lower than water
higher than water
same as water
many times that of water
Which one of the following animals stores water in the intestine?
Moloch
Camel
Zebra
Uromastix
Viruses have
DNA only
RNA only
Either DNA or RNA
Both DNA and RNA
Savannah is
grass land
desert
forest
snow clad mountains
The following disease is prevented by triple-antigen immunization
Diphtheria
Tuberculosis
Smallpox
Mumps
Excess of amino-acids are broken down to form urea in the
Liver
Kidney
Spleen
Rectum
The olfactory area is concerned with
smell
sight
hearing
speech
The golden age of Dinosaurs was
Palaezoic
Cenozoic
Mesozoic
Proterozoic
Tuberculosis is caused by
tobacco
tubers
bacteria
virus
The involuntary muscles are controlled by the
Cerebrum
Cerebellum
Medulla oblongata
Pons
Which one of the following is essential for blood clotting?
RBC
WBC
Blood platelets
Lymph
The science dealing with diseases of plants is called
Plant anatomy
Plant ecology
Plant pathology
Plant morphology
What are halophytes?
plants found in fresh water
plants growing in saline conditions
mesophytic plants
desert plants
The deficiency of Vitamin A which leads to poor vision during night is termed
nyctolopia
myopia
glaucoma
colour blindness
Pacemaker is the
Sinu-auricular node
Auriculo-ventricular node
Bundle of His
Purkinje fibres
The disease Goitre is caused in persons who do not have in their diet sufficient
calcium
sodium
iodine
iron
The medulla oblongata encloses the
optic lobe
optic capsule
second ventricle
fourth ventricle
The pigment which is responsible for blood clotting is
Fibrinogen
Haemoglobin
Glucose
Blood cells
Appearance of offspring resembling their remote ancestor is called
Atavism
Lethality
Mutation
Progeny
Which of the following plays an important part in photosynthesis?
Chloroplast
Centrosome
Tonoplast
Nematoblast
What are oncogenes?
a dominant gene
a set of genes which produce cancer
a gene present in the X-chromosomes causing haemophilia
a recessive gene