haemoglobin and haemoerythrin
biliviridin and bilirubin
bilirubin and haemocyanin
haemoglobin and biliviridin
heparin
fibrinogen
thrombin
prothrombin
cells reproduce by mitosis or meiosis
all cells have nuclei
cells are basic units of plants and animals
cells arise only from pre-existing cells
drawn by Darwin
across the mountains
between two zoo-geographical areas
between different classes of animals
Louis Pasteur
Luister
Leuwenhoek
Flemming
myelon
encephalon
cephalon
All the above
crop plants
fruit trees
cattle
human beings
horizontally
vertically
above the soil
obliquely
Urea
Ammonium Sulphate
Nitrates
Compost
White Blood Corpuscles
Red Blood-Corpuscles
Blood Platelets
Plasma
cancer
hepatitis
AIDS
Herpes
mango
coconut
teak
paddy
clotting
receding
healing
drying up
Chicken-pox
Influenza
Epilepsy
Measles
a line of trees
the limit of the forest
annual rings
height of trees
Tsetse fly
Culex
Phlebotomus
Anopheles
red
bluish
greenish
colourless
Thymus
Islets of Langerhans
Pituitary
Thyroid
3
4
6
8
Egg - adult
Egg - nymph - adult
Egg - larva - pupa - adult
young one adult
Thyroxine
Vasopressin
Heparin
Insulin
Rheumatism
Nervous shock
Muscular dystrophy
Cerebral haemorrhage
optic lobe
optic capsule
second ventricle
fourth ventricle
ornaments
scattering sound waves
collect sound waves
beauty
peptidase
amylase
lipase
thrombokinase
Thymus
Parathyroid
Thyroid
Adrenal
veins
arteries
capillaries
lymph ducts
Land pollution
Water pollution
Noise pollution
Air pollution
pneumonia
small pox
mumps
active transport
Carbohydrates
Proteins
Fats
Nucleotides