Biology

Diversity in Living Organisms

Question:

Differentiate between Annelida and Nematode.

Answer:

Num.NematodaAnnelida
1. Tissues but no real organs. True organs packaged in body structure.
2. Body Cavity is not true coelom (pseudocoelom) True body Cavity
3. The body is cylindrical Body is segmented.
4. e.g. Ascaris, Wucharia e.g. Leeches, Earthworms, Nereis
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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.

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

Q 5.

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

Q 6.

Name a parasitic disease caused by members of Nematoda.

Q 7.

Name the kingdom which includes the simplest form of eukaryotes.

Q 8.

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 9.

Give two examples of Bryophyta plants?

Q 10.

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

Q 11.

Name five countries that lie in the region of megadiversity.

Q 12.

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

Q 13.

List important characteristics (at least three) of bryophytes.

Q 14.

Which animal phylum is commonly called as flatworms?

Q 15.

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

Q 16.

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

Q 17.

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 18.

Give three examples of Protochordata animals.

Q 19.

What do you mean by biodiversity?

Q 20.

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

Q 21.

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

Q 22.

Blue-green algae are classified with bacteria and placed in kingdom Monera.

Q 23.

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

Q 24.

Why are Thallophytes called non-embryonic plants?

Q 25.

How are pteridophytes different from the phanerogams?

Q 26.

How Phanerogams are divided further chiefly?

Q 27.

What are naked-seeded plants are called?

Q 28.

Define Cryptograms.

Q 29.

How Angiosperms are divided further?

Q 30.

Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly

Q 31.

How do annelid animals differ from arthropods?

Q 32.

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

Q 33.

In which Kingdom, an organism does not have a well defined nucleus and organelles?

Q 34.

Who introduced the system of scientific nomenclature of organisms?

Q 35.

What is the primary characteristic on which the first division of organisms is made?

Q 36.

What is the mode of nutrition in Mushroom?

Q 37.

Identify the division of Plantae having following characteristics:
i. Seeds not enclosed within fruit.
ii. Flowers represented as cones (unisexual)
iii. Ovules not located in ovary.

Q 38.

Sunflower, Maize, Wheat and Pea belong to which group of plants?

Q 39.

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

Q 40.

Ambibian heart is divided into how many chambers?

Q 41.

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 42.

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

Q 43.

What are the advantages of classification?

Q 44.

Who is known as the father of taxonomy?

Q 45.

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

Q 46.

Will advanced organisms be the same as complex organisms? Why?

Q 47.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 48.

Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?

Q 49.

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

Q 50.

What is a thallus?