Chromosome complement with 2n - 1 is called
monosomy
nullisomy
trisomy
tetrasomy
A.
monosomy
Aneuploidy is a change in the chromosme number that does not involve entire sets of chromosome. It can be of following types:
(i) Monosomic (2n - 1)
(ii) Trisomic (2n +1)
(iii) Nullisomic (2n - 2)
(iv) Tetrasomic (2n + 2)
(v) Double monosomic (2n - 1 - 1)
(vi) Doble trisomic (2n + 1 + 1)
In rabbit, head of epididymis present at the head of testis is called
vas deferens
cauda epididymis
gubernaculum
caput epididymis
Animals undergoes inactive stage during winter, is known as
aestivation
hibernation
adaptation
acclimatization
the group of Anamniota includes
reptiles and birds
birds and mammals
fishes an amphibians
reptiles and mammals
Which of the following is not vestigial in man?
Tail vertebrae
Nails
Nicitating membrane
Vermiform appendix
Which of the following provides most evident proof of evolution?
Fossils
Morphology
Embryo
Vestigial organs
Small fish get stuck near the bottom of a shark and derives its nutrition from it. This kind of association is called as
antibiosis
commensalism
predation
parasitism
