Biology Past Questions and Answers

After one week of life, the weight of five chicks of the same sex hatched simultaneously from the eggs of the same hen and fed on the same diet were 45g, 40g, 35g, 33g and 30g. This is an example of

A Growth rate
B Natural selection
C Variation
D Mutation

Question 1057:

The phenotype of an individual can be summed up as the

A Totality of the expressed traits
B Individual's physical appearance
C Individual's entire genetical make-up
D Physiological traits of individual

Question 1058:

The correct increasing order of size for the cell components responsible for heredity is

A Chromosome â†’ DNA â†’ nucleus â†’ gene
B DNA → gene → chromosome → nucleus
C Chromosome â†’ nucleus â†’ DNA â†’ gene
D DNA â†’ gene â†’ nucleus â†’ chromosome

Question 1059:

A sex-linked character cannot be passed on directly from

A Father to son
B Mother to daughter
C Mother to son
D Father to daughter

Question 1060:

The biological association that contributes directly to succession in a community is

A Competition
B Predation
C Parasitism
D Commensalism