Spontaneous generation signifying the development of living organisms from non-living has been termed
Biogenesis
Abiogenesis
Cosmozoic
Catastrophism
Correct Answer :
B. Abiogenesis
Related Questions
Which of these is most consistently observed in Vitamin B12 deficiency?
Pigmentation of skin
Red, sore tongue with capillary atrophy
Megaloblastic anemia
Absence of tendon reflexes
Which of the following plays an important part in photosynthesis?
Chloroplast
Centrosome
Tonoplast
Nematoblast
Hormones are carried from their place of production by
ducts
blood
lymph
muscus
The smallest size of a cell which can be seen directly by the eye is
One micron
10 micron
100 micron
1000 micron
Which among the following cows give maximum milk yields?
Jersey
Holstein
Red Sindhi
Sahiwal
The grey matter of the brain is so coloured because of the concentration of
nerve cells
a pigment
nerve fibres
melanin
Which one of the endocrine glands disappears after puberty?
Thyroid
Thymus
Adrenals
Pituitary
The biologist who believed in the spontaneous creation of microorganisms was
Leuwenhock
Needham
Spallanzeni
Pasteur
The insects do not have blood pigments because
there is no blood
blood does not have a respiratory function
tissues have pigments
pigments are elsewhere
Fibrinogen is present in
lymph
liver
blood plasma
pancreas
The spores of Puccinia formed on the leaves of wheat are called
Basidiospores
Ascidiospores
Uredospores
Pycnospores
During dehydration, the human body is usually lost by the human body is
sugar
sodium chloride
potassium chloride
iodine
Hydrotropism means the growth of roots
away from water
towards water
into water
out of water
Bacteria utilising radiant energy to prepare food are
chemosynthetic bacteria
heterotrophic bacteria
photosynthetic bacteria
free living bacteria
Which one of the following is not caused by bacteria?
Tuberculosis
Typhoid
Cholera
Mumps
Maintenance of pregnancy is under the control of
follicular stimulating hormone
growth hormone
estrogen
progesterone
Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What proportion of their offspring will be dwarf?
0.5
0.25
0.75
1
Viruses have
DNA only
RNA only
Either DNA or RNA
Both DNA and RNA
Memory is the responsibility of
cerebrum
cerebellum
medulla oblongata
spinal cord
Diseases in plants can be caused by
virus
bacteria
fungi
All the above
The radicle of the seeding always grows
towards the gravity
away from gravity
neutral to gravity
towards light
Cretinism is due to the disorder of the glands
Thymus
Parathyroid
Thyroid
Adrenal
The theory that cells arise from the pre-existing cells was proposed by
Nageli
Virchow
Schleiden
Muller
Excess carbohydrates and insufficient proteins in dally diet will lead to
Kwashiorkor
Night blindness
Pernicious anaemia
Loss of hair
The part of the human brain concerned with sight is the
Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
The universal recipient belongs to blood group
A
B
AB
O
Which one of the following acts as a communication system?
Blood
Nerve
Lymph
Enzymes
The science of improving the hereditary qualities of future generations of mankind is referred to as
genetics
eugenics
epigenesist
epistasis
The part of the brain in Control of Voluntary muscles is
cerebellum
medulla oblongata
pons
cerebrum
pH of blood remains constant due to
blood pressure
buffer action
perspiration
respiration