Teeth of rabbits are :
thecodont
diphyodont
heterodont
all of these
D.
all of these
The teeth of rabbit are of several types (Heterodont) with roots in sockets of jaw bones (thecodont) and occur in two sets in life (diphyodont).
Heterodont teeth refers to more than a single tooth morphology.
Thecodont teeth is a morphological arrangement where the base of the tooth is completely enclosed in a deep socket of bone.
Diphyodont teeth refers to two successive sets of teeth.
Growth rings are formed due to activity of :
extrastelar cambium
intrastelar cambium
interstelar cambium
both 'b' and 'c'
Which of the following taxonomist described classification of plant kingdom in "Families of flowering plants" ?
Cronquist
Takhtajan
Benson
Hutchinson
Defect in amino acid metabolism may results in :
albinism
porphyria
Wilson's disease
phenylketonuria
Rarely among angiosperms the pollen grains influenced the endosperm. This is called as :
Metaxenia
Nemec phenomenon
Xenia
Mesogamy
Largest number of chloroplast is found in :
palisade tissue
spongy tissue
transfusion tissue
bundle sheath cells
Which of the following does not match ?
Muscular movement - ATP
Heart - pace maker
Monocyte - haemoglobin
Nerve impulse - acetylcholine
