Biology

Diversity in Living Organisms

Question:

Blue-green algae are classified with bacteria and placed in kingdom Monera.

Answer:

Blue-green algae or Cyanobacteria are photosynthetic bacteria but they are placed under kingdom Monera because:
  • they are unicellular.
  • they show prokaryotic morphological structure i.e. not the well defined nucleus
previuos
next

Diversity in Living Organisms

Q 1.

Name a reptile which has four chambered heart.

Q 2.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 3.

Give examples of Arthropod animals.

Q 4.

Give three examples of Protochordata animals.

Q 5.

Write two important characteristics of sponges ?

Q 6.

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

Q 7.

In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?

Q 8.

Blue-green algae are classified with bacteria and placed in kingdom Monera.

Q 9.

Why bryophytes are called the amphibians of the plant kingdom?

Q 10.

Differentiate between Annelida and Nematode.

Q 11.

How is a body of Arthropods segmented?

Q 12.

Who introduced the system of scientific nomenclature of organisms?

Q 13.

Do Protozoans have eyes?

Q 14.

What type of circulatory system do Molluscs have?

Q 15.

Define Taxon.

Q 16.

Define evolution.

Q 17.

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 18.

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

Q 19.

List important characteristics (at least three) of bryophytes.

Q 20.

Give two examples of Gymnosperms.

Q 21.

Which animal phylum is commonly called as flatworms?

Q 22.

What is a notochord? What does it do?

Q 23.

Give examples of organisms which belong to Phylum Protochordata.

Q 24.

List three important characteristics of Phylum Protochordata.

Q 25.

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

Q 26.

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 27.

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

Q 28.

Algae belongs to which division of Plantae?

Q 29.

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 30.

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

Q 31.

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

Q 32.

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 33.

Based on evolution, primarily how organisms are categorised?

Q 34.

Which organisms are called primitive and how are they different from the so-called advanced organisms?

Q 35.

Name the organisms which are outside the classification.

Q 36.

According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?

Q 37.

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

Q 38.

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

Q 39.

How do annelid animals differ from arthropods?

Q 40.

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

Q 41.

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

Q 42.

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

Q 43.

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

Q 44.

Pines and Deodar belong to which group of Plants?

Q 45.

What do you mean by biodiversity?

Q 46.

Define Taxonomy.

Q 47.

Who is known as the father of taxonomy?

Q 48.

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

Q 49.

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

Q 50.

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