If parents with blood groups AB and O produce six children
three of them will have group B
two of them will have group A
all the offspring will have group O
none of them will have group A
Correct answer is A
No explanation has been provided for this answer.
Which of the following tissue are made up of dead cells?
Meristematic
Xylem vessels
Cambium
Mesophyll
Palisade
Correct answer is B
No explanation has been provided for this answer.
when the two alleles present in an organism are of the same type, the genotype is described as
heterozygous
heterogamous
homozygous
homologous
Correct answer is C
No explanation has been provided for this answer.
External ears of mammals consist of
pinna and tympanum
pinna only
auditory meatus only
auditory meatus and pinna
auditory meatus and tympanum
Correct answer is D
No explanation has been provided for this answer.
During cell division, the two strands of chromosomes are joined at a point called the
spindle
chromatid
centromere
aster
Correct answer is C
No explanation has been provided for this answer.