Question:
What is the contribution of Carl Woese (1977) in the classification of living beings?
Answer:
He divided the Monera kingdom into Archaebacteria (or Archaea) and Eubacteria (or Bacteria). He also regrouped the five kingdoms into three domains i.e. Bacteria, Archaea and Eucaryotes.
Diversity in Living Organisms
Q 1.
Give examples of Arthropod animals.
Q 2.
On what bases are plants and animals put into different categories?
Q 3.
Name the kingdom which includes the simplest form of eukaryotes.
Q 4.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 5.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 6.
Name five countries that lie in the region of megadiversity.
Q 7.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 8.
Give two examples of Pteridophyes
Q 9.
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 10.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 11.
(a) What are saprophytes?
(b) Name the kingdom to which they belong.
(c) What is the cell wall of fungi made up of?
Q 12.
List important characteristics (at least three) of bryophytes.
Q 13.
Name a parasitic disease caused by members of Nematoda.
Q 14.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 15.
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 16.
Give two examples of Bryophyta plants?
Q 17.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 18.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 19.
Give three examples of Protochordata animals.
Q 20.
Ambibian heart is divided into how many chambers?
Q 21.
Name a reptile which has four chambered heart.
Q 22.
Give three examples of flightless birds.
Q 23.
Give three examples of the range of variations that you see in lifeforms around you.
Q 24.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 25.
Why are Thallophytes called non-embryonic plants?
Q 26.
How are pteridophytes different from the phanerogams?
Q 27.
Give two examples of Gymnosperms.
Q 28.
How Angiosperms are divided further?
Q 29.
What are four main features of phylum coelenterates?
Q 30.
Name a symbiotic life form that grows on the bark of a tree as large, coloured patches.
Q 31.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 32.
Who introduced the system of scientific nomenclature of organisms?
Q 33.
Name the simplest of plants that do not have a well-differentiated body design.
Q 34.
What type of circulatory system do Molluscs have?
Q 35.
Give three examples of animals belong to Echinodermata
Q 36.
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 37.
What do you mean by biodiversity?
Q 38.
What is the primary reason for such a huge diversity we find in animals and plants?
Q 40.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 41.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 42.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 43.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 44.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 45.
How Phanerogams are divided further chiefly?
Q 46.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 47.
Give examples of Porifera or Sponges.
Q 48.
Which animal phylum is commonly called as flatworms?
Q 49.
How is a body of Arthropods segmented?
Q 50.
How do annelid animals differ from arthropods?
