Biology

Diversity in Living Organisms

Question:

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

Answer:

Kindom Animalia is divided into nine phyla i.e.
  1. Porifera (sponges)
  2. Coelenterata (jellyfishes, corals...)
  3. Platyhelminthes (flat worms)
  4. Nematoda (round worms)
  5. Annelida (earthworms)
  6. Arthropoda (insects, spiders, crabs etc.)
  7. Mollusca (snails, oysters etc.)
  8. Echinodermata (starfishes, sea urchins etc.)
  9. Chordata (animals with backbone)
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Diversity in Living Organisms

Q 1.

What is a notochord? What does it do?

Q 2.

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

Q 3.

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

Q 4.

Identify the division of Plantae having following characteristics:
i. Seeds not enclosed within fruit.
ii. Flowers represented as cones (unisexual)
iii. Ovules not located in ovary.

Q 5.

Give three examples of animals belong to Echinodermata

Q 6.

Give examples of egg laying mammals

Q 7.

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

Q 8.

How Phanerogams are divided further chiefly?

Q 9.

What kind of circulatory system is found in animals from Mollusca phylum?

Q 10.

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

Q 11.

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

Q 12.

Define Taxonomy.

Q 13.

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 14.

Give examples of bryophytes.

Q 15.

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

Q 16.

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 17.

Give an example of mammal that can fly.

Q 18.

Who wrote the book The Origin of Species?

Q 19.

Give examples of Thallophyta plants.

Q 20.

Write the differences between monocots and dicots.

Q 21.

What is osculum?

Q 22.

Give examples of animals belong to Nematoda.

Q 23.

Name a parasitic disease caused by members of Nematoda.

Q 24.

How is a body of Arthropods segmented?

Q 25.

What is the type of circulatory system present in Arthropods?

Q 26.

Do Protozoans have eyes?

Q 27.

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

Q 28.

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 29.

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

Q 30.

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

Q 31.

What changes are evolved in limbs of aves?

Q 32.

Why do we classify organisms?

Q 33.

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

Q 34.

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

Q 35.

What are naked-seeded plants are called?

Q 36.

Give examples of Porifera or Sponges.

Q 37.

What are four main features of phylum coelenterates?

Q 38.

Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?

Q 39.

Which animal phylum is commonly called as flatworms?

Q 40.

Name the largest group (phylum) of animals.

Q 41.

Give examples of Arthropod animals.

Q 42.

Why are Bats and whales classified as mammals?

Q 43.

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

Q 44.

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

Q 45.

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

Q 46.

Define Cryptograms.

Q 47.

How do gymnosperms and angiosperms differ from each other?

Q 48.

Do sponges have a nervous system?

Q 49.

Identify the phylum having following characteristics:

Q 50.

How do poriferan animals differ from coelenterate animals?