Biology

Diversity in Living Organisms

Question:

Which division among plants has the simplest organisms?

Answer:

Thallophyta division.
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Diversity in Living Organisms

Q 1.

Give examples of Arthropod animals.

Q 2.

On what bases are plants and animals put into different categories?

Q 3.

Write the name of the group of plants, which produces seeds, but not fruits.

Q 4.

Name the kingdom which includes the simplest form of eukaryotes.

Q 5.

Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?

Q 6.

Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?

Q 7.

List important characteristics (at least three) of bryophytes.

Q 8.

Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?

Q 9.

Minimal body design, have holes which lead to canal system that helps in circulating water, marine habitat. Which division of Animalia it refers to?

Q 10.

Give three examples of Protochordata animals.

Q 11.

What is the main basis of differentiation between vertebrates and non-vertebrates?

Q 12.

Name a parasitic disease caused by members of Nematoda.

Q 13.

Name a symbiotic life form that grows on the bark of a tree as large, coloured patches.

Q 14.

Name the simplest of plants that do not have a well-differentiated body design.

Q 15.

Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?

Q 16.

Identify the plant groups which has net like veins in leaves, flower parts in group of fours or fives, vascular bundles are in a ring and two seed leaves.

Q 17.

Give two examples of Bryophyta plants?

Q 18.

Hydra, Jelly Fish, corals belog to which group of animals?

Q 19.

Ambibian heart is divided into how many chambers?

Q 20.

Name a reptile which has four chambered heart.

Q 21.

Define Taxon.

Q 22.

Name five countries that lie in the region of megadiversity.

Q 23.

What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?

Q 24.

What are the major divisions in the Plantae? What is the basis for these divisions?

Q 25.

What are four main features of phylum coelenterates?

Q 26.

What is the type of circulatory system present in Arthropods?

Q 27.

Who introduced the system of scientific nomenclature of organisms?

Q 28.

Give two examples of Pteridophyes

Q 29.

Four Chambered heart, mostly viviparous, skin covered with hairs, skin contains sweat and oil glands, four chambered heart. Which category of vertebrates are we talking about?

Q 30.

What do you mean by biodiversity?

Q 31.

Why is there a need for classification and systematic naming of living organisms?

Q 32.

Name the book written by Carolus Linnaeus on the classification of organisms.

Q 33.

Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?

Q 34.

(a) What are saprophytes?
(b) Name the kingdom to which they belong.
(c) What is the cell wall of fungi made up of?

Q 35.

Why are Thallophytes called non-embryonic plants?

Q 36.

How are pteridophytes different from the phanerogams?

Q 37.

Give two examples of Gymnosperms.

Q 38.

How Angiosperms are divided further?

Q 39.

What is the most striking feature of phylum Arthropoda?

Q 40.

How do annelid animals differ from arthropods?

Q 41.

What is a notochord? What does it do?

Q 42.

In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?

Q 43.

Amar, Ujala and Anara wrote the scientic name of mango as follows. Who wrote it correctly.
Amar - Mangifera Indica
Ujala - Mangifera indica
Anara - mangifera indica

Q 44.

What type of circulatory system do Molluscs have?

Q 45.

Give three examples of animals belong to Echinodermata

Q 46.

Give three examples of flightless birds.

Q 47.

Give three examples of the range of variations that you see in lifeforms around you.

Q 48.

Define evolution.

Q 49.

In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?

Q 50.

How Phanerogams are divided further chiefly?