ppsc lecturer Biology syllabus

Fossil record shows that the earliest known vertebrate fossils were of:

A respiratory protein found in all aerobic species is the:

A balanced diet contains:

‘Dossier’ means:

The idea of common descent was first suggested to Darwin by his observations on:

A potential danger to a population that has been greatly reduced in number is the:

Lack of..................................causes diabetes:

Triple antigen vaccine is given children to protect them against:

The total collection of genes, at any one time, in a unit of evolution is called the:

A beneficial allele increases more rapidly in frequency, if it is:

Wisdom teeth normally grow between the age of:

The structures which have common origin but different function is:

In terrestrial vertebrates, the gills are modified to form:

The unit of evolution is now known to be the:

which one of the following cannot change allelic frequency?

What does blood consists of ?

Biopsy is done on:

A man weighing 96 Kg consists of approximately .............liters of water:

The wings of a bird and the wings of an insect are:

All alleles originate from:

The shortest bone in the human body is:

Heightened emotion is caused by:

Ptyalin is an enzyme produced in the:

The human blood groups A, B, AB, and O are an example of a:

The best test of the relatedness of two species is in the similarity of their: