Measles and influenza are caused by
virus
bacteria
insects
nematodes
Correct Answer :
A. virus
Related Questions
Carbohydrates are mainly needed for
growth
immunity
repair
energy
Vitamin D is manufactured in a healthy human being by the action of _______ on the skin and absorbed in the blood stream.
ozone
radium
moonlight
sunlight
Which of the following cell organelles play the most significant role in protein synthesis?
Lysosome and Centrosome
Endoplasmic reticulum and Ribosome
Golgi apparatus and Mitochondria
Lysosome and Mitochondria
Nucleus was first discovered by
Porter
Robert Brown
Palade
None of these
Metastasis' is the process by which
cells divide rapidly under the influence of drugs
cancer cells spread through the blood or lymphatic system to other sites or organs
the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles
cance cells are successfully inhibited to divide any futhere
Valves are present inside
arteries
capillaries
veins
aorta
The age of a tree can be determined by
counting the number of annual rings
thickness of the bark
the bulk of the tree
the number of leaves
Blood of cockroach is
red
bluish
greenish
colourless
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
Appearance of offspring resembling their remote ancestor is called
Atavism
Lethality
Mutation
Progeny
Organisms which synthesise their own food are called
autotrophs
heterotrophs
saprotrophs
auxotrophs
An organism eating its own species is called
carnivore
detritivore
cannibal
herbivore
Which organelle in the cell, other than nucleus, contains DNA?
Centriole
Golgi apparatus
Lysosome
Mitochondrion
The pigment which is responsible for blood clotting is
Fibrinogen
Haemoglobin
Glucose
Blood cells
The life cycle of Malarial Parasite consists of two phases in man. Where do they occur?
In RBC and liver cells
In WBC and RBC
In lymph
In gall bladder and pancreas
Those small organisms which float on the surface of water are called
Necton
pH indicators
Plankton
Benthos
Which among, the following is a solid lubricant?
carbohydrate
graphite
protein
starch
The golden age of Dinosaurs was
Palaezoic
Cenozoic
Mesozoic
Proterozoic
What are the symptoms of Xeroph-thalmia?
eye weakness
dry skin and night blindness
nervous break down
All the above
The drug Ergot is obtained from
Alga
Fungus
Bacteria
Virus
The two German scientists who proposed the 'cell theory' were
Mendel and 'Darwin
Theodore Schwann and Matthias Schleiden
Virchow and Purkinje
porter and Palade
The universal donor belongs to blood group
A
B
AB
O
Which of the following diseases are not bacterial?
cholera and diphtheria
trichomonasis and malaria
tetanus and typhoid
tuberculosis and leprosy
The blood clotting requires the vitamin
A
B
C
K
A person with a blood group ____ is considered to be an universal donor.
A Positive
AB Positive
AB Negative
O Positive
Green plants In the sea are useful for respiration of flash because they
release oxygen
release carbon dioxide
release oxygen and carbon dioxide simultaneously
take oxygen and give out carbon dioxide
Injection of insulin causes
increase in glucose in blood
decrease in glucose in blood
increase in blood pressure
decrease in blood pressure
Blood is a kind of
epithelial tissue
connective tissue
nervous tissue
cartilage
One of the following is often called the master gland. Which one is it?
Thymus
Islets of Langerhans
Pituitary
Thyroid
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase