Biology

Diversity in Living Organisms

Question:

What do you mean by biodiversity?

Answer:

Biodiversity means the existence of a wide variety of species or other taxa of plants, animals and micro-organisms in a natural habitat within a specific environment.
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Diversity in Living Organisms

Q 1.

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

Q 2.

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

Q 3.

What is a notochord? What does it do?

Q 4.

Which worms cause elephantiasis. Name the group it belongs to?

Q 5.

Give three examples of organisms that are arthopods.

Q 6.

Give three examples of animals belong to Echinodermata

Q 7.

Name a reptile which has four chambered heart.

Q 8.

Explain the basis for grouping organisms into five kingdoms.

Q 9.

How Angiosperms are divided further?

Q 10.

Which animal phylum is considered to be first triploblastic animals?

Q 11.

Leeches and Earthworms belong to which phylum?

Q 12.

How do annelid animals differ from arthropods?

Q 13.

Who wrote the book The Origin of Species?

Q 14.

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

Q 15.

Write the differences between monocots and dicots.

Q 16.

Give examples of Porifera or Sponges.

Q 17.

Identify the phylum having following characteristics:

Q 18.

Give the scientific names of tiger, peacock, ant, neem, lotus and potato.

Q 19.

Which in your opinion is more basic characteristic for classifying organism. The place where they live in or the kind of cells they are made of?

Q 20.

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

Q 21.

What is the mode of nutrition in Mushroom?

Q 22.

Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.

Q 23.

Which division of plants are often called amphibians of the plant kingdom?

Q 24.

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

Q 25.

Give three examples of Protochordata animals.

Q 26.

Ambibian heart is divided into how many chambers?

Q 27.

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

Q 28.

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

Q 29.

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

Q 30.

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 31.

What is a thallus?

Q 32.

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

Q 33.

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

Q 34.

How do poriferan animals differ from coelenterate animals?

Q 35.

How is locomotion brought in animals belonging to Mollusca phylum?

Q 36.

Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.

Q 37.

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

Q 38.

In the hierarchy of classification, which group will have the largest number of organisms?

Q 39.

Algae belongs to which division of Plantae?

Q 40.

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

Q 41.

Give two examples of Pteridophyes

Q 42.

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

Q 43.

Identify the Animalia group having following features:

Q 44.

Name the fish which is entirely made of cartilage.

Q 45.

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 46.

Give three examples of Amphibians.

Q 47.

Give an example of marsupial mammal

Q 48.

What do you mean by biodiversity?

Q 49.

Why do we classify organisms?

Q 50.

Based on evolution, primarily how organisms are categorised?