Ch 1 Living World Deck 1

Question 1

What is reproduction?

Answer 1

Reproduction refers to the production of progeny possessing features more or less similar to those of parents.

Question 2

What is metabolism?

Answer 2

The sum total of all the chemical reactions, anabolic and catabolic, occurring in our body is called metabolism.

Question 3

Define biodiversity.

Answer 3

Biodiversity is the number and type of all organisms present on earth.

Question 4

Name the basic unit of classification.

Answer 4

Species.

Question 5

Define species.

Answer 5

Species are a group of individual organisms with fundamental similarities which can interbreed among themselves to produce fertile young ones.

Question 6

What is taxonomic hierarchy?

Answer 6

The overall arrangement of all taxonomic categories or ranks or taxa is known as taxonomic hierarchy.

Question 7

What is a taxon?

Answer 7

Each taxonomic category which is referred to as a unit of classification representing a rank is known as a taxon.

Question 8

What is classification?

Answer 8

Classification is a process by which anything is grouped into convenient categories based on some easily observable characters.

Question 9

Who introduced binomial nomenclature?

Answer 9

Carolus Linnaeus.

Question 10

Define Nomenclature.

Answer 10

Nomenclature is the process of naming the organisms in a standardized manner such that the organism is known by the same name all over the world

Question 11

Define taxonomy

Answer 11

Taxonomy is the branch of science dealing with the characterization, identification and nomenclature of the organisms.

Question 12

What is flora?

Answer 12

Flora is an index of the plant species present in a particular area and gives the actual account of habitat and distribution of plants of a given area.

Question 13

What is the use of manuals?

Answer 13

Manuals are useful in providing information for identification of names of species found in an area.

Question 14

What are monographs?

Answer 14

Monographs contain information on any one taxon.

Question 15

Name an animal that exhibits true regeneration.

Answer 15

Planaria

Question 16

What is the title of publication of Linnaeus?

Answer 16

Systema naturae

Question 17

What is family with reference to taxonomic categories?

Answer 17

Family has a group of related genera with less number of similarities as compared to genus and species.

Question 18

Which organisms reproduce by fragmentation?

Answer 18

Fungi, filamentous algae, protonema of mosses reproduce by fragmentation.

Question 19

Growth is synonymous with reproduction in unicellular organisms. Why?

Answer 19

Growth is equivalent to increase in cell number or mass. In case of unicellular organisms, reproduction corresponds to increase in number of cells.

Question 20

What is self consciousness?

Answer 20

The ability of organisms to be aware of themselves and their surroundings is known as self consciousness.

Question 21

What are living organisms?

Answer 21

Organisms which have cellular organisation in their body, undergo metabolism and are conscious of themselves and their surroundings are said to be living.

Question 22

What is identification with reference to taxonomy?

Answer 22

Identification refers to studying the organisms and describing them correctly, so that we can match the name to a particular definite description.

Question 23

What is systematics?

Answer 23

The branch of biology that deals with classification of an organism on the basis of its morphological, anatomical, cytological ecological information and evolutionary aspects is called systematics.

Question 24

What is a species?

Answer 24

Basic unit of biological classification which constitutes a group of individuals with fundamental similarities and capable of interbreeding among themselves to produce fertile offspring.

Question 25

What is a genus?

Answer 25

Genus is a group of closely related species.

Question 26

26. Write the biological (scientific) name of

(a) Man (b) Housefly(c) Wheat (d) Mango

Answer 26

(a) Homo sapiens (b) Musca domestica

(c) Triticum aestivum (d) Mangifera indica