Accepted theory for the origin of life is
Cosmozoic theory
Biogenesis
Abiogenesis
Oparin's theory
Correct Answer :
D. Oparin's theory
Related Questions
What ia leukaemia?
proliferation of WBC
decrease of RBC
increase of platelets
decrease of WBC
Enzymes are produced by
endocrine glands
exocrine glands
liver
spleen
Typhoid is a disease caused by
virus
bactena
fungus
animal
The country where commercial production of cultured pearls is undertaken on large scale is
India
Mexico
Netherlands
Japan
What are halophytes?
plants found in fresh water
plants growing in saline conditions
mesophytic plants
desert plants
Mendel chose for his experiments the plant
Bean
Pea
Cucumber
Rose
An inherited characteristic which does not appear in one generation but can appear in the next is called
dominant
recessive
homozygous
heterozygous
Viruses have
DNA only
RNA only
Either DNA or RNA
Both DNA and RNA
The pH of normal urine of man ranges from
6 - 8
4.5 - 6
2.5 - 6
8 10
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
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
Which of the following contains the highest protein content per gram?
Groundnut
Soyabean
Apple
Wheat
Which among the following diseases is not caused by viral infection?
pneumonia
small pox
mumps
active transport
Who discovered the electron microscope?
Knoll and Ruska
Rudolf and Kolliker
Robert Hooke
CP Swanson
Stripes on the bodies of animals Indicate
mating habit
food habit
cave dwelling
matching of skin colour with the surroundings
The grey matter of the brain is so coloured because of the concentration of
nerve cells
a pigment
nerve fibres
melanin
Bordetella pertussis causes
tetanus
diphtheria
whooping cough
rabies
The external ears of man are intended for
ornaments
scattering sound waves
collect sound waves
beauty
The theory that believes that the first living organism came from another planet is known as
Catastrophism
Special creation
Organic evolution
Cosmozoic theory
The hormone which is Popularly called as stress hormone is
Epinephrine
Cortisone
Thyroxine
Insulin
The white blood corpuscles the body because they are popularly called soldiers of
march at a regular pace
appear uniform
defend the body
are disciplined
The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain
bacterium
virus
viroid
prion
The term 'Fauna' means
plant kingdom
animal kingdom
neither
Both
Scurvy is prevented by vitamin
A
B
C
D
An organism eating its own species is called
carnivore
detritivore
cannibal
herbivore
Which of the following diseases is not caused by a virus?
Cancer
Rabies
AlDS
Severe Acute Respiratory Syndrome (SARS)
Formation of blood
Histolysis
Histogenesis
Haemopoiesis
Haemolysis
Rh+ blood is due to genes which are
dominant
recessive
codominant
neutral
The protoplasm of a child is exactly the same as that of its
mother
father
grandfather
identical twin
Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______ years.
2
3
5
8