The plant cells are surrounded rigidly by
plasmalemma
cell membrane
cell wall
plasma membrane
Correct Answer :
C. cell wall
Related Questions
Translocation of food takes place in plants through
xylem
phloem
cambium
cortex
The eland having endorine as well as exocrine function is
Adrenal gland
Thyroid gland
Pituitary gland
Pancreatic gland
The influenza vaccine was discovered by
Salk
Khorana
Mittel
None of the above
The theory of use and disuse was used to explain evolution by
Lamarck
Darwin
De Vries
Wallace
Vitamin D deficiency leads to
sterility
pellagra
rickets
capillary fragility
The phenomenon of summer sleep by animals is called
hibernation
aestivation
laziness
lethargy
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
Light compensation zone refers to
where light is available in plenty
where all light energy is used
where light is maximum
beyond which light does not penetrate
Which among the following diseases is not caused by viral infection?
pneumonia
small pox
mumps
active transport
The rate of heartbeat is accelerated by the hormone
adrenaline
acetylcholine
thyroxine
pituitrin
Appearance of offspring resembling their remote ancestor is called
Atavism
Lethality
Mutation
Progeny
Oparin is known for his hypothesis on
origin of species
origin of life
one germ one disease
one gene one enzyme
HIV causes
cancer
hepatitis
AIDS
Herpes
Which among the following is not a degenerative disease?
Diabetes
Stroke
Myocardial infraction
Rabies
Memory is the responsibility of
cerebrum
cerebellum
medulla oblongata
spinal cord
Bordetella pertussis causes
tetanus
diphtheria
whooping cough
rabies
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
Gases of Jupiter' are
Ammonia, Methane, Hydrogen
Sulphur, Urethane, Oxygen
Carbon, Phosphorus and Oxygen
Nitrogen, Hydrogen and Chlorine
Mouth and foot diseases in cattle are caused by
Bacteria
Virus
Fungi
Pennicilium
Maintenance of pregnancy is under the control of
follicular stimulating hormone
growth hormone
estrogen
progesterone
Plants growing in sunlight are called
sciophytes
hydrophytes
xerophytes
heliophytes
Genes are arranged in chromosomes
In clusters
In binary fashion
In linear fashion
Scattered
The energy for the sperm to swim and reach the egg is provided by
tail
head
neck
mitochondria
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
Egg laying animals are referred to as
viviparous
oviparous
ovoviviparous
vegetative
Vessels leaving the heart are
veins
arteries
capillaries
lymph ducts
Hormone promoting maleness in flowering plants is
Indole Acetic Acid
Kinetin
Cytokinin
Gibberellin
The medulla oblongata encloses the
optic lobe
optic capsule
second ventricle
fourth ventricle
Which among the following is a balanced fertiliser for plants?
Urea
Ammonium Sulphate
Nitrates
Compost