Dendrochronology is the study of:

• height of a tree

• diameter of a tree

• age of the tree by counting the number of annual rings in the main stem

• none of the above

A group of plants or animals with similar traits of any rank is

• species

• genus

• order

• taxon

The smallest free living organism is

• virus

• mycoplasma

• diatom

• cyanobacterium

Which of the following is the scientific or botanical name of Asafoetida (Hing)?

• Curcuma longa

• Curcuma amada

• Alpinia galanga

• None of these

Assertion : Study of biology requires basic knowledge of chemistry and physics.

Reason : Living organisms are made up of atoms and molecules which follow chemical and physical laws.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both the assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both the assertion and reason are false.

The usage of binomial names, for plant species was accepted by all after the publication of the work by

• Hooker

• Linnaeus

• Bentham

• Darwin

The term phylum was given by

• Haeckel

• Linnaeus

• Cuvier

• Theophrastus

Taxonomically, which of the following set is matched correctly?

• Cattle fish, jelly fish, silver fish

• Bat, pigeon, kite

• Lobsters, spider, shrimps

• Oyster, otter, Octopus

Binomial system of nomenclature was given by

• Julian Huxley

• Bentham and Hooker

• Linnaeus

• Casper Bauhin

Kaziranga National Park is famous for :

• Rhinoceros

• Tiger

• Asiatic lion

• Nilgai