Biology

Diversity in Living Organisms

Question:

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

Answer:

Primitive OrganismsAdvanced Organisms
1. Simple body organisation.1. Complex body organisation.
2. Ancient body changes haven't changed much2. Recent body design.
3. Considered at first ladder on the evolutionary scale.3. Considered at successive ladders on the evolutionary scale.
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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.

Why do we classify organisms?

Q 4.

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

Q 5.

What are the general characteristics found in all animals?

Q 6.

What is osculum?

Q 7.

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

Q 8.

Give examples of Porifera or Sponges.

Q 9.

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

Q 10.

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 11.

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

Q 12.

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 13.

What are naked-seeded plants are called?

Q 14.

Define Cryptograms.

Q 15.

Give examples of animals that belong to Phylum Mollusca.

Q 16.

Give two examples of Bryophyta plants?

Q 17.

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 18.

Give three examples of Molluscs

Q 19.

Name a reptile which has four chambered heart.

Q 20.

Give three examples of flightless birds.

Q 21.

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

Q 22.

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

Q 23.

What are the uses of bryophytes?

Q 24.

How Angiosperms are divided further?

Q 25.

Give examples of Arthropod animals.

Q 26.

What is a notochord? What does it do?

Q 27.

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

Q 28.

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 29.

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

Q 30.

Do Protozoans have eyes?

Q 31.

Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.

Q 32.

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

Q 33.

Which is the largest group of animals?

Q 34.

Give three examples of Protochordata animals.

Q 35.

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

Q 36.

What changes are evolved in limbs of aves?

Q 37.

Give an example of mammal that can fly.

Q 38.

Who is known as the father of taxonomy?

Q 39.

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

Q 40.

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 41.

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

Q 42.

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

Q 43.

In how many kingdoms Carolus Linnaeus diving living beings?

Q 44.

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

Q 45.

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

Q 46.

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

Q 47.

Name the organisms which are outside the classification.

Q 48.

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

Q 49.

Give examples of bryophytes.

Q 50.

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