Blood is
acidic
alkaline
neutral
like a buffer
Correct Answer :
B. alkaline
Related Questions
Which one of the endocrine glands disappears after puberty?
Thyroid
Thymus
Adrenals
Pituitary
Which organelle in the cell, other than nucleus, contains DNA?
Centriole
Golgi apparatus
Lysosome
Mitochondrion
Valves are present inside
arteries
capillaries
veins
aorta
If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?
A
AB
O
Both (a) and (c)
The potato is a modified stem, is explained by the presence of
Branches
Leaves
Buds
Scale leaves and auxiliary buds
Which among the following cows give maximum milk yields?
Jersey
Holstein
Red Sindhi
Sahiwal
Green plants synthesise carbohydrates by the
holozoic method
holophytic method
saprophytic method
parasitic method
The age of a tree can be determined by
counting the number of annual rings
thickness of the bark
the bulk of the tree
the number of leaves
Which among the following animals has the largest Intestine?
Cow
Lion
Monkey
Tiger
The tallest tree in the world Sequoia™ is found in
UK
USA
former USSR
China
Food substances are substances by
hormones
enzymes
vitamins
zymogens
Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by
Louis Pasteur
Edward .Jenner
Joseph Lister
Martinus Willem Beijerinck
Maintenance of pregency is under the control of
Follicular stimulating hormone
Growth hormone
Estrogen
Progesterone
The 'graveyard of the RBC' refers to
spleen
liver
bone marrow
thymus
In plants water is carried upwards by
phloem
paranchyma
xylem
meristem
The function of a cell wall is
to give definite shape to the cell
to provide mechanical strength and protection to the cell
to prevent the cell from desiccation
All the above
The two minerals required to keep teeth and bones intact and in good condition are
lead and zinc
calcium and phosphorus
copper and sulphur
iron and iodine
Biological control is to check growth of
plants
animals
weeds
one pest by another
Which one of the following cells helps in storing water and food materials?
Parenchyma cell
Flame cell
Nematoblast
None of the above
Which among the following is a communicable disease?
Beri Beri
Diabetes
Leucoderma
Dysentery
Which of the following diseases is caused by the deficiency of iron in human body?
Anaemia
Scurvy
Dermatosis
None of these
The theory that cells arise from the pre-existing cells was proposed by
Nageli
Virchow
Schleiden
Muller
Hydrotropism means the growth of roots
away from water
towards water
into water
out of water
Maize is attacked by
Phytophthora
Pythium
Ustilago
Puccinia
The hypoglossal nerves are the pairs of the spinal nerves
First pair
Second pair
Third pair
Fourth pair
Vitamin D deficiency leads to
sterility
pellagra
rickets
capillary fragility
Nephrons are found inside
Liver
Lung
Brain
Kidneys
The pathogenic organisms of an infected person are destroyed by the action of
erythrocytes
leucocytes
blood platelets
all of these
AIDS is caused by the organisms which are
bacteria
fungi
viruses (HTLV III)
Protozoa
Which one of the following is both an exocrine and an endocrine gland?
Gastric glands
Pancreas
Salivary glands
Liver