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.
Name a reptile which has four chambered heart.
Q 2.
What do you mean by biodiversity?
Q 3.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 4.
Give examples of bryophytes.
Q 5.
What are naked-seeded plants are called?
Q 6.
Give examples of Arthropod animals.
Q 8.
Identify the Animalia group having following features:
Q 9.
Write important features about Phylum Platyhelminthes.
Q 10.
How do poriferan animals differ from coelenterate animals?
Q 11.
Who is known as the father of taxonomy?
Q 12.
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 13.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 14.
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 15.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 16.
Give two examples of Gymnosperms.
Q 17.
In how many Phyla, the animal kingdom is divided into?
Q 18.
Differentiate between Annelida and Nematode.
Q 19.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 20.
Which division of plants are often called amphibians of the plant kingdom?
Q 21.
Name the two groups of Plantae that are commonly called phanerogams.
Q 22.
Give three examples of Molluscs
Q 23.
Give three examples of flightless birds.
Q 24.
Give an example of mammal that can fly.
Q 25.
Give three examples of the range of variations that you see in lifeforms around you.
Q 26.
Name the organisms which are outside the classification.
Q 27.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 28.
On what basis plants are divided into two sub-kingdoms?
Q 29.
What are the general characteristics found in all animals?
Q 30.
What is the most striking feature of phylum Arthropoda?
Q 31.
How is a body of Arthropods segmented?
Q 32.
Name the phylum to which Start fish and Sea urchin belong to?
Q 33.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 34.
Name the simplest of plants that do not have a well-differentiated body design.
Q 35.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 36.
Ambibian heart is divided into how many chambers?
Q 37.
Give an example of marsupial mammal
Q 38.
What is the primary reason for such a huge diversity we find in animals and plants?
Q 39.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 40.
Why are Thallophytes called non-embryonic plants?
Q 41.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 42.
Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?
Q 43.
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 44.
What is the primary characteristic on which the first division of organisms is made?
Q 45.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 46.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 47.
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 48.
Name the fish having skeleton made of both bone and cartilage.
Q 49.
Four Chambered heart, mostly viviparous, skin covered with hairs, skin contains sweat and oil glands, four chambered heart. Which category of vertebrates are we talking about?
Q 50.
Why do we classify organisms?
