A plant cell is distinguishable from an animal cell by the presence of
nucleus
cell wall
chloroplasts
cell membrane
Correct Answer :
B. cell wall
Related Questions
The hormone secreted when one is frightened or excited
pituitrin
thyroxine
adrenaline
parathormone
Blood clotting requires vitamin
A
B
C
K
Ecology of a population is known as
demecology
synecology
autecology
space ecology
During dehydration, the human body is usually lost by the human body is
sugar
sodium chloride
potassium chloride
iodine
Legumes are highly nutritious because they are rich in
starch
oils
fat
protein
Which of the following diseases are not bacterial?
cholera and diphtheria
trichomonasis and malaria
tetanus and typhoid
tuberculosis and leprosy
Blood is
acidic
alkaline
neutral
like a buffer
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
In plants water is carried upwards by
phloem
paranchyma
xylem
meristem
The amount of blood in a normal man is about
5.0 litres
2.5 litres
3.8 litres
4.7 litres
Carbohydrates are mainly needed for
growth
immunity
repair
energy
What is the other name for the brain?
myelon
encephalon
cephalon
All the above
When a movement of a plant organ is stimulated by contact with an object, it is termed
heliotropism
geotropism
haptotropism
gardening
Phenylketonuria is an example of an inborn error of metabolism. Thins error refers to
hormonal overproduction
atrophy of endocrine glands
inherited lack of an enzyme
nondisjuction of chromosomes
Sexual selection theory was propounded by
Wallace
De Vires
Lamarck
Charles Darwin
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
The mouth of a river opening into the sea is termed as
shore line
littoral zone
continental shelf
estuary
When one gene controls two or more different characters simultaneously, the phenomenon is called
Apomixis
Pleiotropy
Polyploidy
Polyteny
Sleeping sickness in man is caused by the organism
plasmodium
entamoeba
giardia
trypanosome
Cretinism is due to the disorder of the glands
Thymus
Parathyroid
Thyroid
Adrenal
Oparin is known for his hypothesis on
origin of species
origin of life
one germ one disease
one gene one enzyme
The medulla oblongata encloses the
optic lobe
optic capsule
second ventricle
fourth ventricle
Chromosome theory of inheritance was propounded by
Sutton and Boveri
Mendel
Muller
Beadle and Tatum
Which one of the following cells helps in storing water and food materials?
Parenchyma cell
Flame cell
Nematoblast
None of the above
The best and easy method of control of crop pests is by
crop rotation
chemicals
quarantine
biological control
The insect vector for the disease Leishmaniasis is
Tsetse fly
Culex
Phlebotomus
Anopheles
The cellular and molecular control o( programmed cell death is known as
Apoptosis
Ageing
Degeneration
Necrosis
Clotting of blood is
a chain reaction
reversible reaction
reflex action
no reaction
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase
Calcium and phosphorus assimilation will depend on sufficient intake of
vitamin B complex
vitamin D
vitamin A
vitamin C