The currently accepted definition of biological species was pioneered by:
1. John Ray
2. G. G. Simpson
3. Ernst Mayr
4. Ernst Haeckel

Perhaps the most obvious and technically complicated feature of all living organisms is:
1. Capability to reproduce to produce similar offspring
2. Ability to grow from inside
3. Ability to sense and respond to environmental stimuli
4. Metabolism inside a defined boundary of a cell

In plant taxonomy, the most inclusive category will be:

ICBN stands for:

The binomial system of nomenclature of living organisms was given by:

The number of species that are known and described ranges between:

An unconscious patient cannot be aroused by stimuli to normal consciousness but the doctors hope that recovery is possible. This patient is said to be:
1. In deep sleep
2. Comatosed
3. Brain dead
4. Malingering

Which of the following taxon will have the most number of organisms?

The book Systema Naturae was authored by:

Identify the correct chronological order of the taxonomic hierarchy from lowest to highest:
1. Family – Order – Class – Phylum
2. Family – Class – Order – Phylum
3. Order – Family – Class – Phylum
4. Order – Class – Phylum – Family