91Ó°ÊÓ

All plants, animals, fungi and microbes exhibit (a) Reproduction (b) Growth by increase in mass only (c) Metabolism (d) Self-consciousness

Assertion: Systematics is an important branch of biology. Reason: Systematics name the organisms and divides them into groups and subgroups according to the set rules to make their study easy.

Assertion: Members of a species breed only with others of the same species. Reason: In some cases, members of different species may also breed, producing sterile or fertile offspring.

Assertion: No non living object exhibit metabolism. Reason: Cellular organization is absent in non-living organisms.

Assertion: Metabolic reactions can be demonstrated outside the body in cell free systems. Reason: An isolated metabolic rection performed in test tube is neither living nor non-living.

Assertion: Conservative characters are more useful in classification. Reason: These characters do not change during evolution. Therefore, their similarities show relationships among organisms.

Assertion: There is no difference between the terms taxon and category. Reason: Aves is a taxon that includes the category 'birds?

Assertion: Each rank or taxon represents a unit of classification. Reason: Taxonomic categories are distinct biological entities and not merely morhpological aggregates.

Assertion: Human being has self-conciousness. Reason: Human is an organism who is aware of himself.

Assertion: In unicellular organism, the reproduction is synonymous with growth. Reason: Increase in the number of cells is also called growth.