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
Correct Answer :
D. All the above
Related Questions
Evergreen forests are confined to
Equatorial region
Temperate region
Alpine region
Arctic region
The primary energy for living organisms is
Solar energy
Chemical energy
Mitochondria
ATP
The workers in the honey bee colony are
males
females
sterile females
intersex
The golden age of Dinosaurs was
Palaezoic
Cenozoic
Mesozoic
Proterozoic
Savannah is
grass land
desert
forest
snow clad mountains
Lizards, snakes, crocodiles and turtles belong to the class
Aves
Reptilia
Mammalia
Amphibia
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)
Name the nematode which lives in lymph vessels of man.
Ascaris
Hook worm
Filarial worm
Guinea worm
Bacteria utilising radiant energy to prepare food are
chemosynthetic bacteria
heterotrophic bacteria
photosynthetic bacteria
free living bacteria
A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's blood serum there is a drop In
calcium
iron
sodium
phosphorus
Which of the following contains the highest protein content per gram?
Groundnut
Soyabean
Apple
Wheat
Carbohydrates are mainly needed for
growth
immunity
repair
energy
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase
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
The pathogenic organisms of an infected person are destroyed by the action of
erythrocytes
leucocytes
blood platelets
all of these
The bacteria that gets into our body is consumed by
RBC
Blood platelets
Plasma
Phagocytes
Genes are made of
Carbohydrates
Proteins
Fats
Nucleotides
Turner's syndrome is a disease caused by
bacteria
virus
fungus
chromosomal imbalance
The enzyme that is necessary to bring about clotting of blood is
peptidase
amylase
lipase
thrombokinase
Which among the following is the best source of proteins?
apples
butter
beans
fish
The rate of growth of plants can be measured by a/an
manometer
auxanometer
photometer
thermometer
The 'graveyard of the RBC' refers to
spleen
liver
bone marrow
thymus
The bile contains the pigments
haemoglobin and haemoerythrin
biliviridin and bilirubin
bilirubin and haemocyanin
haemoglobin and biliviridin
The part of the brain in Control of Voluntary muscles is
cerebellum
medulla oblongata
pons
cerebrum
Scrub jungle Is characterised by
heavy rainfall
no rainfall
poor rainfall
none of the above
The normal systolic blood pressure is
140
120
180
80
The larva of the housefly is called
maggot
caterpillar
grub
wriggler
Blood of cockroach is
red
bluish
greenish
colourless
Fledgling is a term often used to denote the young one of a
bird
fox
dog
man
The function of connective tissue is
to hold the other tissues together
to facilitate diffusion
to help transportation of dissolved material from capillaries to epithelial cells
protection