Which of the following organelles is known as the 'power House' of the cell?
Golgi Bodies
Ribosomes
Mitochondria
None of these
Correct Answer :
C. Mitochondria
Related Questions
The cell theory of Schleiden and Schwann states that
cells reproduce by mitosis or meiosis
all cells have nuclei
cells are basic units of plants and animals
cells arise only from pre-existing cells
In a gamete there will be
one pair of sex chromosomes
only one sex chromosome
no sex chromosome
only autosomes
Oxygen transportation in human body takes place through
1) Blood
2) Lungs
3) Tissue
The correct sequence of transportation is
1, 2 and 3
3, 1 and 2
2, 1 and 3
1,3 and 2
Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
snake
peacock
parrot
camel atmospheric pressure
Tse-Tse fly is the vector for
malarial parasite
try peorosoma
piroplasm
microfilaria
Typhoid is a disease caused by
virus
bactena
fungus
animal
Blood platelets are found in
all vertebrates
all chordates
mammals only
birds and mammals
Cancer is induced by certain viruses called
poxviruses
adenoviruses
oncogenic viruses
herpesviruses
Which one of the following is caused by the expression of a recessive gene present on sex chromosome?
Rheumatism
Nervous shock
Muscular dystrophy
Cerebral haemorrhage
The dinosaurs (terrible lizards) became very successful during
Palaeozoic era
Mesozoic era
Cenozoic era
Archaeozoic era
The organ that produces antibodies in our body is
pancreas
salivary gland
liver
gonads
DNA is found
only in cytoplasm
only in nucleus
in both cytoplasm and nucleus
in hybrid form only
The amount of blood in a normal man is about
5.0 litres
2.5 litres
3.8 litres
4.7 litres
Viruses have
DNA only
RNA only
Either DNA or RNA
Both DNA and RNA
Who discovered the electron microscope?
Knoll and Ruska
Rudolf and Kolliker
Robert Hooke
CP Swanson
Scurvy is prevented by vitamin
A
B
C
D
Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called
Rickets
Beriberi
Xerophthalmia
Sterility
Best growth of plants is attained if they are supplied with
low carbohydrate and high nitrogen
high carbohydrate and low nitrogen
high carbohydrate and moderate nitrogen
equal carbohydrate and nitrogen
Hormone promoting maleness in flowering plants is
Indole Acetic Acid
Kinetin
Cytokinin
Gibberellin
Tetrodotoxin is a potent poison that
erodes blood vessels
blocks conduction of nerve impulses causing respiratory paralysis
produces damage to the kidneys
produces intestinal bleeding
Antibodies are formed in
lymph nodes
red bone marrow
spleen
liver
The blood pressure is controlled by the hormone
Vasopressin
Oxytocin
Oestrogen
Testasterone
The diseases that are caused by lack of vitamins are called
deficiency diseases
communicable diseases
epidemics
tropical diseases
Hypogeal germination is found in
castor
onion
bean
bengal gram
Insects that make a clicking sound are
crickets
beetles
flies
silver fish
Somato Tropic Hormone is concerned with
Body growth
Metamorphosis
Digestion
Reproduction
Pneumonia is ,a bacterial disease caused by the type of bacteria called
Bacilli
Cocci
Sprilli
Vibrio
The specific gravity of blood
lower than water
higher than water
same as water
many times that of water
Oxygen transport is a function of
White Blood Corpuscles
Red Blood-Corpuscles
Blood Platelets
Plasma
Vivipary is defined as germination
during storage
within the fruit
with cotyledons coming out of soil
with cotyledons remaining inside the soil