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.
Give examples of Arthropod animals.
Q 3.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 4.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 5.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 6.
Give two examples of Gymnosperms.
Q 7.
Give two examples of Pteridophyes
Q 8.
What are the advantages of classification?
Q 10.
Give examples of bryophytes.
Q 11.
In how many Phyla, the animal kingdom is divided into?
Q 12.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 13.
Which division of plants are often called amphibians of the plant kingdom?
Q 14.
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 15.
Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q 16.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 17.
Ambibian heart is divided into how many chambers?
Q 18.
What do you mean by biodiversity?
Q 19.
How are pteridophytes different from the phanerogams?
Q 20.
What are naked-seeded plants are called?
Q 21.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 22.
Give examples of Porifera or Sponges.
Q 23.
Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?
Q 24.
Which animal phylum is commonly called as flatworms?
Q 25.
Which phylum is commonly called roundworms or pinworms?
Q 26.
How is a body of Arthropods segmented?
Q 27.
Name the phylum to which Start fish and Sea urchin belong to?
Q 28.
Why are Bats and whales classified as mammals?
Q 29.
Write the name of the group of plants, which produces seeds, but not fruits.
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.
Give three examples of the range of variations that you see in lifeforms around you.
Q 33.
What is the primary characteristic on which the first division of organisms is made?
Q 34.
On what bases are plants and animals put into different categories?
Q 35.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 36.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 37.
Name the organisms which are outside the classification.
Q 38.
What is Symbiotic? Give an example of organisms which exhibit this relationship.
Q 39.
Give examples of Thallophyta plants.
Q 40.
On what basis plants are divided into two sub-kingdoms?
Q 41.
How Angiosperms are divided further?
Q 43.
Which animal phylum is considered to be first triploblastic animals?
Q 44.
Write important features about Phylum Platyhelminthes.
Q 45.
Name the largest group (phylum) of animals.
Q 46.
What is the most striking feature of phylum Arthropoda?
Q 47.
How do annelid animals differ from arthropods?
Q 48.
What is the primary characteristic on which the first division of organisms is made?
Q 49.
Do Protozoans have eyes?
Q 50.
Name the simplest of plants that do not have a well-differentiated body design.
