Biology

Diversity in Living Organisms

Question:

How do annelid animals differ from arthropods?

Answer:

Num.AnnelidsArthropods
1.True body cavity called coelem Blood filled body cavity called haemocoel.
2. Lateral appendages for locomotion. Jointed legs for locomotion
3. Closed circulatory system Open circulatory System.
4. Body is soft, there is no hard skeleton Hard Exoskeleton made up of chitin
5. The body is segmented both externally and internally (septa) e.g. Body is externally divided but not internally by septa.
6. e.g. Leech, earthworms etc. e.g. Insects, spiders, prawns etc.
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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.

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

Q 5.

Name the kingdom which includes the simplest form of eukaryotes.

Q 6.

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

Q 7.

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

Q 8.

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

Q 9.

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

Q 10.

List important characteristics (at least three) of bryophytes.

Q 11.

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

Q 12.

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 13.

What type of circulatory system do Molluscs have?

Q 14.

Give three examples of Protochordata animals.

Q 15.

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

Q 16.

Name a reptile which has four chambered heart.

Q 17.

Name five countries that lie in the region of megadiversity.

Q 18.

Name a parasitic disease caused by members of Nematoda.

Q 19.

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

Q 20.

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

Q 21.

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 22.

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 23.

Give two examples of Bryophyta plants?

Q 24.

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

Q 25.

Ambibian heart is divided into how many chambers?

Q 26.

Define Taxon.

Q 27.

Why are Thallophytes called non-embryonic plants?

Q 28.

How are pteridophytes different from the phanerogams?

Q 29.

What are four main features of phylum coelenterates?

Q 30.

What is the type of circulatory system present in Arthropods?

Q 31.

How do annelid animals differ from arthropods?

Q 32.

What is a notochord? What does it do?

Q 33.

Who introduced the system of scientific nomenclature of organisms?

Q 34.

Give two examples of Pteridophyes

Q 35.

Give three examples of animals belong to Echinodermata

Q 36.

Give three examples of flightless birds.

Q 37.

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 38.

What do you mean by biodiversity?

Q 39.

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

Q 40.

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

Q 41.

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

Q 42.

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

Q 43.

Give two examples of Gymnosperms.

Q 44.

How Angiosperms are divided further?

Q 45.

Which animal phylum is commonly called as flatworms?

Q 46.

What is the most striking feature of phylum Arthropoda?

Q 47.

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

Q 48.

Give three examples of Molluscs

Q 49.

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

Q 50.

What is the primary reason for such a huge diversity we find in animals and plants?