Cancer is induced by certain viruses called
poxviruses
adenoviruses
oncogenic viruses
herpesviruses
Correct Answer :
C. oncogenic viruses
Related Questions
The universal recipient belongs to blood group
A
B
AB
O
The workers in the honey bee colony are
males
females
sterile females
intersex
Blood of cockroach is
red
bluish
greenish
colourless
The layer of stagnant water in which light penetrates is called
Aphotic
Euphotic
Epilimnion
Disphotic
Riboflavin is otherwise known as
vitamin B-complex
vitamin B2
vitamin A
vitamin E
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
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
Oxygen transport is a function of
white blood corpuscles
red blood corpuscles
blood platelets
plasma
Dr Khorana's work relates to
synthesis of simple DNA
genetic code
reduction of mutation
synthesis of RNA from bacterial cell
Which one of the following genetical disease is sex-linked?
Royal haemophilia
Tay-Sachs disease
Cystic fibrosis
Hypertension
In a gamete there will be
one pair of sex chromosomes
only one sex chromosome
no sex chromosome
only autosomes
Measles and influenza are caused by
virus
bacteria
insects
nematodes
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
The normal temperature of human body on the Kelvin scale is
280
290
300
310
The waste product In the urine of man is
urea
uric acid
ammonia
non-nitrogenous
A person with a blood group ____ is considered to be an universal donor.
A Positive
AB Positive
AB Negative
O Positive
The thrombocytes are associated with
blood coagulation
transport of respiratory gases
removal of nitrogenous wastes
All the above
Insects that make a clicking sound are
crickets
beetles
flies
silver fish
Waldeyer gave the name
microsome
chromosome
ribosome
lysosome
Organisms that feed on the excreta of other organisms are called
autotrophs
heterotrophs
coprophagous
saprotrophs
Coagulation of blood in vessels is prevented during normal circulation by
heparin
prothrombin
plasmogen
thromboplastin
Animals that feed only on dead flesh are
herbivorous
carnivorous
omnivorous
carrion-eaters
The wall of the heart is made of programmed cell death is known as
voluntary muscles
involuntary muscles
cardiac muscles
skeletal muscles
Synthesis of nutrients by green plants is called
photo-oxidation
photo-respiration
photo-synthesis
photo-periodism
Blood is a kind of
epithelial tissue
connective tissue
nervous tissue
cartilage
Eosinophil™s are stained by
alkaline dyes
acidic dyes
neutral dyes
vital stains
Blood plasma from which fibrinogen is removed is known as
serum
blood concentrate
lymph
antibody component
Deciduous forests are those with trees
that are evergreen
that shed leaves periodically
that have needle like leaves
that have no leaves at all
Late blight of potato is caused by
Puccinia
Pennisetum
Phytophthora
Erysiphe
Which among the following is not a degenerative disease?
Diabetes
Stroke
Myocardial infraction
Rabies