Biology

Diversity in Living Organisms

Question:

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

Answer:

Whether the reproductive organs are conspicuous (clearly visible) or not, based on this plants are divided into two sub-kingdoms i.e.

  • Cryptogamae: Non-flowering or seedless plants. Includes Thallophytes, bryophytes and pteridophytes.
  • Phanerogamae: Flowering plants. Includes Gymnosperms and Angiosperms.

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Diversity in Living Organisms

Q 1.

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

Q 2.

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

Q 3.

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 4.

What are naked-seeded plants are called?

Q 5.

Define Cryptograms.

Q 6.

What is osculum?

Q 7.

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

Q 8.

Ambibian heart is divided into how many chambers?

Q 9.

Why do we classify organisms?

Q 10.

How Phanerogams are divided further chiefly?

Q 11.

What are the general characteristics found in all animals?

Q 12.

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 13.

Algae belongs to which division of Plantae?

Q 14.

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

Q 15.

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

Q 16.

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 17.

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

Q 18.

Give examples of Arthropod animals.

Q 19.

How do annelid animals differ from arthropods?

Q 20.

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

Q 21.

Give two examples of Pteridophyes

Q 22.

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

Q 23.

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

Q 24.

Give examples of Thallophyta plants.

Q 25.

How do poriferan animals differ from coelenterate animals?

Q 26.

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

Q 27.

Give two examples of Bryophyta plants?

Q 28.

Sunflower, Maize, Wheat and Pea belong to which group of plants?

Q 29.

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

Q 30.

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

Q 31.

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 32.

Give three examples of flightless birds.

Q 33.

What do you mean by biodiversity?

Q 34.

Define Taxon.

Q 35.

Will advanced organisms be the same as complex organisms? Why?

Q 36.

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 37.

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

Q 38.

Why are Thallophytes called non-embryonic plants?

Q 39.

What are the uses of bryophytes?

Q 40.

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

Q 41.

Which animal phylum is considered to be first triploblastic animals?

Q 42.

What is the most striking feature of phylum Arthropoda?

Q 43.

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

Q 44.

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

Q 45.

Why are Bats and whales classified as mammals?

Q 46.

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

Q 47.

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

Q 48.

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

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