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.

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

Q 3.

What are naked-seeded plants are called?

Q 4.

What is osculum?

Q 5.

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

Q 6.

How do annelid animals differ from arthropods?

Q 7.

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

Q 8.

Give an example of marsupial mammal

Q 9.

Why do we classify organisms?

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.

Give examples of Porifera or Sponges.

Q 12.

Give examples of Arthropod animals.

Q 13.

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

Q 14.

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

Q 15.

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

Q 16.

What changes are evolved in limbs of aves?

Q 17.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 18.

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

Q 19.

Give examples of Thallophyta plants.

Q 20.

Why are Thallophytes called non-embryonic plants?

Q 21.

Define Cryptograms.

Q 22.

Name the largest group (phylum) of animals.

Q 23.

What is the most striking feature of phylum Arthropoda?

Q 24.

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

Q 25.

Give examples of organisms which belong to Phylum Protochordata.

Q 26.

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

Q 27.

Do Protozoans have eyes?

Q 28.

Give three examples of organisms that are arthopods.

Q 29.

Ambibian heart is divided into how many chambers?

Q 30.

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

Q 31.

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

Q 32.

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 33.

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

Q 34.

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

Q 35.

What are four main features of phylum coelenterates?

Q 36.

How do poriferan animals differ from coelenterate animals?

Q 37.

Which phylum is commonly called roundworms or pinworms?

Q 38.

Give examples of animals belong to Nematoda.

Q 39.

Name the first animals (phylum) that have a true body cavity.

Q 40.

Leeches and Earthworms belong to which phylum?

Q 41.

What is the type of circulatory system present in Arthropods?

Q 42.

Give examples of animals that belong to Phylum Mollusca.

Q 43.

What is a notochord? What does it do?

Q 44.

Why are Bats and whales classified as mammals?

Q 45.

In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?

Q 46.

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

Q 47.

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

Q 48.

What is the mode of nutrition in Mushroom?

Q 49.

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

Q 50.

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