Which of the following is not a correct base pairing on the DNA strand?
Adenine, Thymine
Cytosine, Guanine
Guanine, Cytosine
Uracil, Thymine
Correct answer is D
No explanation has been provided for this answer.
In a living cell, factors which are responsible for inheritance are located
on the nuclear membrane
on the nucleolus
on the chromosomes
in the nucleoplasm
Correct answer is C
No explanation has been provided for this answer.
Which disease is sex-linked and mainly afflicts male offspring?
Sickle cell anaemia
Haemophilia
Diabetes
Malaria
Correct answer is B
No explanation has been provided for this answer.
Population increase in arithmetic progression while food production increased in geometric progression
Population increased in geometric progression whil food production increased in arithmetic progression
Population and food growth rate will, in future, be at par
Nations have to get enough manpower to cultivate available land for food
Output from agriculture decreased as more and more of the poorer lands were brought into cultivation
Correct answer is B
No explanation has been provided for this answer.
If two parents are sickle cell carriers then their genotypes would be
HbA HbA and HbS HbS
HbS BbS and HbS BbS
HbA HbS and HbA HbS
HbA HbA and HbA HbA
Correct answer is C
No explanation has been provided for this answer.