Biology

Diversity in Living Organisms

Question:

Name the substance which makes the cell wall of fungi.

Answer:

Chitin (tough complex sugars)
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Diversity in Living Organisms

Q 1.

Name a reptile which has four chambered heart.

Q 2.

Give examples of bryophytes.

Q 3.

Give examples of Arthropod animals.

Q 4.

What are naked-seeded plants are called?

Q 5.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 6.

What do you mean by biodiversity?

Q 7.

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

Q 8.

Write important features about Phylum Platyhelminthes.

Q 9.

How do poriferan animals differ from coelenterate animals?

Q 10.

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

Q 11.

Who is known as the father of taxonomy?

Q 12.

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

Q 13.

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

Q 14.

Differentiate between Annelida and Nematode.

Q 15.

What is the most striking feature of phylum Arthropoda?

Q 16.

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 17.

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

Q 18.

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

Q 19.

What is a thallus?

Q 20.

How do gymnosperms and angiosperms differ from each other?

Q 21.

What are the general characteristics found in all animals?

Q 22.

Which animal phylum is considered to be first triploblastic animals?

Q 23.

Why are Bats and whales classified as mammals?

Q 24.

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 25.

Do Protozoans have eyes?

Q 26.

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

Q 27.

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 28.

Give an example of marsupial mammal

Q 29.

Give an example of mammal that can fly.

Q 30.

In the hierarchy of classification, which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?

Q 31.

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

Q 32.

What are the uses of bryophytes?

Q 33.

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

Q 34.

How are pteridophytes different from the phanerogams?

Q 35.

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

Q 36.

What are four main features of phylum coelenterates?

Q 37.

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

Q 38.

Give two examples of Pteridophyes

Q 39.

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 40.

Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?

Q 41.

Identify the Animalia group having following features:

Q 42.

Give three examples of Molluscs

Q 43.

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

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.

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 47.

Give examples of egg laying mammals

Q 48.

Define Taxonomy.

Q 49.

What is the primary reason for such a huge diversity we find in animals and plants?

Q 50.

On what bases are plants and animals put into different categories?