The following characteristics are essential for classification.

(a)

Similarities

(b)

Differences

(c)

Both of them

(d)

None of them

Approximately ______ species of living organisms found in the earth.

(a)

8.7 million

(b)

8.6 million

(c)

8.5 million

(d)

8.8 million

The largest division of the living world is _______.

(a)

Order

(b)

Kingdom

(c)

Phylum

(d)

Family

Who proposed the five kingdom of classification?

(a)

Aristotle

(b)

Linnaeus

(c)

Whittakar

(d)

Plato

The binomial name of pigeon is _______

(a)

Homo sapiens

(b)

Rattus rattus

(c)

Mangifera indica

(d)

Columbo livia