Biology

Diversity in Living Organisms

Question:

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

Answer:

Species
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Diversity in Living Organisms

Q 1.

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

Q 2.

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

Q 3.

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

Q 4.

Give three examples of Molluscs

Q 5.

Why do we classify organisms?

Q 6.

What are naked-seeded plants are called?

Q 7.

What is osculum?

Q 8.

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

Q 9.

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

Q 10.

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 11.

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

Q 12.

Give examples of Porifera or Sponges.

Q 13.

Name the largest group (phylum) of animals.

Q 14.

Give examples of Arthropod animals.

Q 15.

How do annelid animals differ from arthropods?

Q 16.

Give examples of animals that belong to Phylum Mollusca.

Q 17.

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

Q 18.

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

Q 19.

Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans

Q 20.

Ambibian heart is divided into how many chambers?

Q 21.

What changes are evolved in limbs of aves?

Q 22.

Give an example of marsupial mammal

Q 23.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 24.

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

Q 25.

Name the organisms which are outside the classification.

Q 26.

How do the saprophytes get their food? Give two examples of a saprophyte.

Q 27.

Give examples of Thallophyta plants.

Q 28.

How Phanerogams are divided further chiefly?

Q 29.

Define Cryptograms.

Q 30.

What is the most striking feature of phylum Arthropoda?

Q 31.

How is a body of Arthropods segmented?

Q 32.

Give examples of organisms which belong to Phylum Protochordata.

Q 33.

Do Protozoans have eyes?

Q 34.

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

Q 35.

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

Q 36.

Give two examples of Bryophyta plants?

Q 37.

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 38.

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

Q 39.

Give three examples of organisms that are arthopods.

Q 40.

Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?

Q 41.

Give examples of egg laying mammals

Q 42.

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

Q 43.

Which do you think is a more basic characteristic for classifying organisms?(a) the place where they live.(b) the kind of cells they are made of. Why?

Q 44.

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

Q 45.

Define Taxon.

Q 46.

Define evolution.

Q 47.

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

Q 48.

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

Q 49.

Why are Thallophytes called non-embryonic plants?

Q 50.

Give two examples of Gymnosperms.