CHAPTER 1: THE LIVING WORLD

Which one of the following is not a correct statement?

Which one of the following animals is correctly matched with its particular taxonomic category?

Study the four statements (A-D) given below and select the two correct ones out of them.

1. Definition of biological species was given by Ernst Mayr.
2. Photoperiod does not affect reproduction in plants.
3. Binomial nomenclature system was given by R.H. Whittaker.
4. In unicellular organisms, reproduction is synonymous with growth.

The two correct statements are

The layer of cells that secrete enamel of tooth is

Biosystematics aims at

Choose the correct one

(i) Growth cannot be taken as a defining property of living organism.

(ii) Dead organism does not grow.

(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.

(iv) No non-living object is capable of replicating itself.

(v) Metabolism in a test tube is non-living.

(vi) Metabolism is a defining feature of all living organisms.

Scientific name of Mango plant is Mangifera indica (Linn.) Santapau. In the above name Santapau refers to

The label of a herbarium sheet does not carry information on

The classification of Linnaeus was mainly based on

Sequence of taxonomic categories is

As we go from species to kingdom in a taxonomic hierachy, the number of common characteristics

Which one of the following statements is correct about Biodiversity ?

Taxonomic key is one of the taxonomic tools in the identificaton and classification of plants and animals. It is used in the prepatation of

If there was no CO2 in the earth’s atmosphere the temperature of earth’s surface would be

Fossils are studied for