Recession
Dumping
Barter System
Biennial
a dominant gene
a set of genes which produce cancer
a gene present in the X-chromosomes causing haemophilia
a recessive gene
280
290
300
310
bacterium
virus
viroid
prion
tobacco
tubers
bacteria
virus
Oestrogen
Testosterone
Pituitrin
Thyroxine
carbohydrate
graphite
protein
starch
fully formed and functional
much reduced but functional
much reduced and functionless
fully formed but functionless
Basidiospores
Ascidiospores
Uredospores
Pycnospores
bacteria
fungus
virus
algae
Bacteria
Virus
Fungus
Fleas
plants
animals
weeds
one pest by another
virus
bacteria
fungi
All the above
nyctolopia
myopia
glaucoma
colour blindness
carnivorous
herbivorous
omnivorous
insectivorous
there is no blood
blood does not have a respiratory function
tissues have pigments
pigments are elsewhere
Bacteria
Virus
Fungi
Pennicilium
clotting
receding
healing
drying up
rods
cones
fovea
blind spot
DNA
proteins
RNA
None of these
applying trace elements in tomato fields
spraying mineral solution on plants
spraying harmones on flowers
applying fertilizers containing radioactive elements
bile
harmones
sweat
genes
6 - 8
4.5 - 6
2.5 - 6
8 10
posterior silk gland
posterior abdomen glands
mouth
salivary glands
Adrenal gland
Thyroid gland
Pituitary gland
Pancreatic gland
haematology
cardiology
pathology
nephrology
Algae
Fungi
Protozoa
None of the above
counting the number of annual rings
thickness of the bark
the bulk of the tree
the number of leaves
Cow
Lion
Monkey
Tiger
Wallace
De Vires
Lamarck
Charles Darwin