Riboflavin is otherwise known as
vitamin B-complex
vitamin B2
vitamin A
vitamin E
Correct Answer :
B. vitamin B2
Related Questions
Which one is called anti-haemorrhagic vitamin?
A
C
E
K
Which one of the following is essential for blood clotting?
RBC
WBC
Blood platelets
Lymph
The endocrine glands secrete
bile
harmones
sweat
genes
Fishes send out their nitrogenous waste as
ammonia
urea
uric acid
sweat
What are top carnivores?
biggest carnivores
tigers
all carnivorous animals
carnivores that are not eaten by any other animal
The plant hormone which promotes ripening of fruits is
auxin
ethylene
gibberellin
cytokinin
Riboflavin is otherwise known as
vitamin B-complex
vitamin B2
vitamin A
vitamin E
Hydrotropism means the growth of roots
away from water
towards water
into water
out of water
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
Saffron is the dried ________ of the saffron plant.
fruit
aril
stigmas and tops of styles
tender leaves and sprouts
1 gm of carbohydrate gives energy which is about
3 k cal
2 k cal
4.2 k cal
8.1 k cal
Which one of the following is not an essential micronutrient for plants?
Boron
Zinc
Sodium
Copper
Bordetella pertussis causes
tetanus
diphtheria
whooping cough
rabies
Which among the following is a Cast growing tree?
Teak
Eucalyptus
Banyan
Coconut
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
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
The pH of normal urine of man ranges from
6 - 8
4.5 - 6
2.5 - 6
8 10
AIDS is caused by the organisms which are
bacteria
fungi
viruses (HTLV III)
Protozoa
Late Blight' is a disease that affects the _______ crop.
coconut
cashew
potato
pepper
The artificial kidney operates on the principle of
dialysis
diffusion
osmosis
active transport
Plantain is
a tree
an annual herb
a perennial herb
a shrub
Which among the following cows give maximum milk yields?
Jersey
Holstein
Red Sindhi
Sahiwal
The Green Revolution in India owes much to
MS Swaminathan
TS Venkataraman
Norman Borlaug
Prime Minister
The biologist who believed in the spontaneous creation of microorganisms was
Leuwenhock
Needham
Spallanzeni
Pasteur
The principal reason why it is better to have two eyes than one is that
by having two eyes, one can distinguish colours more easily
by having two eyes, one can easily see in the dark and dim light
this gives the man a type of vision known as mosaic vision
this enhances depth perception in the humans
Chromosome theory of inheritance was propounded by
Sutton and Boveri
Mendel
Muller
Beadle and Tatum
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
Nucleus was first discovered by
Porter
Robert Brown
Palade
None of these
The juice from the leaves of ________ is used for the treatment of diarrhoea, cholera and dysentery.
Caeselpinea
Bryophyllum
Centella
None of the above
Which of the following diseases is caused by the deficiency of iron in human body?
Anaemia
Scurvy
Dermatosis
None of these