Question

main question of diversity in living organism class 9

Answer 1

Take the few questions

Answer 2

Question. 1 Name one basic characteristic for classifying organisms.
Answer. Cell structure.

Question. 2 What was the modification introduced by Woese in kingdom Monera ? [SAII -2012]
Answer. Carl Woese modified the Kingdom Monera by dividing it into Archae-bacteria and Eubacteria.

Question. 3 Define the term henpaphrodite. Give one example [SAII – 2014]
Answer. A hermaphrodite is an organism that has both male and female genitalia.
Example: Earthworm.


Question. 4 What do you understand by diploblasty ? Give one example of an organism which is diploblastic. [SAII -2014]
Answer. Diploblasty is a condition of the blastula in which there are two primary germ layers — the ectoderm and the endoderm.
Example: Jellyfish.

Question.5 A pore bearing organism like creature ‘A’ belongs to a phylum ‘B’ of kingdom Animalia. Identify ‘A’and’B’ [SAII- 2014]
Answer. A — Sponges, B — Porifera.

Question.6 Homo sapiens is the scientific name of human beings. What do these two terms imply ? [SAII – 2014]
Answer. Homo sapiens : Homo is the human”genus and sapiens is the only surviving species of the genus Homo.


Question.7 Rewrite the scientific names correctly (i) panthera tigris (ii) periplaneta Americana. [SAII – 2014]
Answer. (i) Panthera tigris (ii) Periplaneta americana.

Question.8 Name two egg laying mammals.
Answer. (i) Platypus (ii) Echidna.

Question.9 What is the primary characteristic on which the first division of organisms is made ?
Answer. The primary characteristics on which the first division of organisms is made in : Do the cells
occur singly or are they grouped together and do they live as an indivisible group

Question.10 Which division among plants has the simplest organisms ?
Answer. The division ‘Thallophyta’ among plants has the simplest organisms as they do not have well- differentiated body design.