Question:
Which region of the earth is called the region of megadiversity?
Answer:
The warm and humid tropical regions of the earth, between the tropic of Cancer and the tropic of Capricorn, are rich in diversity of plant and animal life. This is called the region of megadiversity.
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.
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 4.
Give an example of marsupial mammal
Q 5.
What are naked-seeded plants are called?
Q 6.
Give examples of Arthropod animals.
Q 7.
How do annelid animals differ from arthropods?
Q 8.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 9.
Which worms cause elephantiasis. Name the group it belongs to?
Q 11.
Give examples of Porifera or Sponges.
Q 12.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 13.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 14.
Name the plants that are called "
First vascular land plants".
Q 15.
How is a body of Arthropods segmented?
Q 16.
Who introduced the system of scientific nomenclature of organisms?
Q 17.
Give an example of mammal that can fly.
Q 18.
Who is known as the father of taxonomy?
Q 19.
How do thallophytes and pteridophytes differ from each other? Write two differences.
Q 20.
Write two important characteristics of sponges ?
Q 21.
Give examples of animals belong to Nematoda.
Q 22.
Name a parasitic disease caused by members of Nematoda.
Q 23.
Why are Bats and whales classified as mammals?
Q 24.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 25.
Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.
Q 26.
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 27.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 28.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 29.
Identify the Animalia group having following features:
Q 30.
Give three examples of Molluscs
Q 31.
Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q 32.
What changes are evolved in limbs of aves?
Q 33.
Why do we classify organisms?
Q 34.
Why is there a need for classification and systematic naming of living organisms?
Q 35.
On what bases are plants and animals put into different categories?
Q 36.
Who wrote the book
The Origin of Species?
Q 37.
Based on evolution, primarily how organisms are categorised?
Q 38.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 39.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 40.
According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?
Q 41.
Why are Thallophytes called non-embryonic plants?
Q 42.
On what basis plants are divided into two sub-kingdoms?
Q 43.
How Phanerogams are divided further chiefly?
Q 44.
Define Cryptograms.
Q 45.
In how many Phyla, the animal kingdom is divided into?
Q 46.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 47.
Which animal phylum is considered to be first triploblastic animals?
Q 48.
Write important features about Phylum Platyhelminthes.
Q 49.
Which phylum is commonly called roundworms or pinworms?
Q 50.
Leeches and Earthworms belong to which phylum?
