Which of the following scientists started the practice of using biological names?

1

(a)

Carolus Linneaus

(b)

Aristotle

(c)

Whittaker

(d)

Robert Hooke.

What is the full form of ICBN?

1

(a)

International Council for Botanical Nomenclature

(b)

International Code for Botanical Nomenclature

(c)

International Code for Biological Nomenclature

(d)

Indian Code for Biological Nomenclature

Why are biological names written in Italics?

1

(a)

To show Italian Origin

(b)

To show French Origin

(c)

To show Latin Origin

(d)

To show British Origin

Which of the following can also be made in your home?

1

(a)

Botanical Garden

(b)

Zoological Park

(c)

Keys

(d)

Herbarium

Which of the following characteristic of living beings, can also be observed in some non-livings?

1

(a)

Respiration

(b)

Reproduction

(c)

Growth

(d)

Stimulation

How do you living things grow?

1

(a)

Living things grow either by increase n cell number or increase in cell mass.

Write the name of any two organisms that show fragmentation

1

(a)

(i)  Filamentous algae
(ii)  Peritonea of mosses

In which organisms reproduction is synonyms with growth?

1

(a)

In unicellular organisms like Amoeba, bacteria and unicellular algae, reproduction is synchronised with growth, i.e. they reproduce and grow by increase in number of cells.

Amoeba multiplies by mitotic cell division. Is this phenomenon growth or reproduction? Explain.

1

(a)

In unicellular organisms like Amoeba, growth is synonyms with reproduction and takes place by increase in number of cells by mitotic cell division.

Define metabolism.

1

(a)

The sum total of all chemical reactions occurring in an organism due to specific interactions amongst different types of molecules within the cells, is called metabolism.

What is the advantage of consciousness in living organisms?

1

(a)

Consciousness enables an organisms to respond to various external factors. It is the ability of living organisms to respond to various physical, chemical and biological stimuli from their surroundings.

All living organisms are linked with a common genetic material. What is this material ?

1

(a)

All living organisms contain genetic material in the form of DNA which is responsible for the transmission of trails from one generation to the next. However, in some viruses another nucleic acid, i.e., RNA is present as the genetic material.

Can we relate metabolism with growth of the body?

1

(a)

Yes, metabolism occurs due to two phenomena, i.e., anabolism and catabolism. The growth of living things occurs when quantity of anabolic reactions exceeds quantity of catabolic reactions.

Name two organisma that do not reproduce at all to any stimulus.

1

(a)

Mulus, sterile worker bees

Give an example of genus with a single species.

1

(a)

Genus- Homo