Which of the following suffix is used to denote the taxon ‘family’ in taxonomy of plants?

1.	-ae	2.	-opsida
3.	-aceae	4.	-ales

The main difference between taxonomy and systematics is that:

Mammals living in a colder environment have:
1. Small body size
2. Low metabolic rate
3. Small appendage size
4. Less body fat

If two living animals belong to the same phylum, they must belong to the same:

Panthera tigris belongs to the Felidae family. What taxonomic category does Panthera represent?

A store house of collected plant specimens that are dried, pressed and preserved on sheets is called as:
1. Herbarium
2. Monograph
3. Flora
4. Manual

The thermostat of human body is located in:
1. Hypothalamus

2. Cerebrum

3. Cerebellum

4. Thalamus

The species problem is the set of questions that arises when biologists attempt to define what a species is. One popular way to define species is the biological species concept. This definition breaks down in all the following situations except:
1. asexually reproducing single celled organisms
2. sexually reproducing multi cellular organisms
3. extinct life forms in paleontology
4. ring species

Keys in which the choices allow only two (mutually exclusive) alternative couplets are known as:
1. Dichotomous keys
2. Poly clave keys
3. Indented keys
4. Bracketed keys

A monophyletic group, a group of organisms that consists of a common ancestor and all its lineal descendants, is called as:
1. Taxon
2. Class
3. Clade
4. Division