Biology

Diversity in Living Organisms

Question:

How do thallophytes and pteridophytes differ from each other? Write two differences.

Answer:

Num.ThallophytesPteridophytes
1.Plant body is not well differentiated.Plant body is differentiated into root, stems and leaves.
2.No vascular system present for conduction of water and food substances.Simpler vascular system present for conduction of water and substances.
3.Mostly aquatic (algae)Mostly land plants
4.Spirogyra, Chara etc.Ferns, Marsilea etc.
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Diversity in Living Organisms

Q 1.

Name a reptile which has four chambered heart.

Q 2.

Give examples of Arthropod animals.

Q 3.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 4.

Give three examples of Protochordata animals.

Q 5.

Name five countries that lie in the region of megadiversity.

Q 6.

In which kingdom you will place an organism which is multicellular, eukaryotic, non-green heterotroph or saprophytic, lacks chlorophyll and has an absorptive mode of nutrition?

Q 7.

Give examples of animals belong to Nematoda.

Q 8.

Differentiate between Annelida and Nematode.

Q 9.

How is a body of Arthropods segmented?

Q 10.

Name the two groups of Plantae that are commonly called phanerogams.

Q 11.

Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?

Q 12.

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 13.

What do you mean by biodiversity?

Q 14.

Explain the basis for grouping organisms into five kingdoms.

Q 15.

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

Q 16.

Give examples of bryophytes.

Q 17.

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

Q 18.

Write two important characteristics of sponges ?

Q 19.

Which animal phylum is commonly called as flatworms?

Q 20.

Name the phylum to which Start fish and Sea urchin belong to?

Q 21.

Give examples of the organisms that have cilia and flagellum for moving around.

Q 22.

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

Q 23.

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

Q 24.

Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.

Q 25.

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 26.

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

Q 27.

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

Q 28.

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

Q 29.

No scales on skin, mucus glands on skin, three chambered heart, respiration through gills, lungs and skin, oviparous, live on land and in water. Name the group of these vertebrates.

Q 30.

Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?

Q 31.

Give examples of egg laying mammals

Q 32.

Give an example of mammal that can fly.

Q 33.

What are the advantages of classification?

Q 34.

Which region of the earth is called the region of megadiversity?

Q 35.

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

Q 36.

Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.

Q 37.

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

Q 38.

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

Q 39.

In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.

Q 40.

Name the organisms which are outside the classification.

Q 41.

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

Q 42.

Why bryophytes are called the amphibians of the plant kingdom?

Q 43.

List important characteristics (at least three) of bryophytes.

Q 44.

What are the uses of bryophytes?

Q 45.

Name the plants that are called "First vascular land plants".

Q 46.

On what basis plants are divided into two sub-kingdoms?

Q 47.

How Phanerogams are divided further chiefly?

Q 48.

What are naked-seeded plants are called?

Q 49.

What are the general characteristics found in all animals?

Q 50.

In how many Phyla, the animal kingdom is divided into?