Question:
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Answer:
Classification systems as proposed by Linnaeus use a hierarchical system in which organisms are placed into groups, at different levels, according to the features they share. These groups or levels are(from top to bottom):
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
Species is the lowest level in which group, we find the highest level of similarities and All members of a species are capable of interbreeding.
✍ How to memorise classification levels? King ➤ Phil-nnaeus ➤ Classed ➤ Ordinary ➤ Families as ➤ Generous and ➤ Special Kingdom ➤ Phylum ➤ Class ➤ Order ➤ Family ➤ Genus ➤ Species
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.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 4.
Name the kingdom which includes the simplest form of eukaryotes.
Q 5.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 6.
Name five countries that lie in the region of megadiversity.
Q 7.
Name a parasitic disease caused by members of Nematoda.
Q 8.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 9.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 10.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 11.
Name a reptile which has four chambered heart.
Q 12.
(a) What are saprophytes?
(b) Name the kingdom to which they belong.
(c) What is the cell wall of fungi made up of?
Q 13.
Why are Thallophytes called non-embryonic plants?
Q 14.
How are pteridophytes different from the phanerogams?
Q 15.
Who introduced the system of scientific nomenclature of organisms?
Q 16.
Name the simplest of plants that do not have a well-differentiated body design.
Q 17.
Give two examples of Pteridophyes
Q 18.
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 19.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 20.
Give three examples of Protochordata animals.
Q 21.
Give three examples of flightless birds.
Q 22.
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 23.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 24.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 25.
List important characteristics (at least three) of bryophytes.
Q 26.
Give two examples of Gymnosperms.
Q 27.
How Angiosperms are divided further?
Q 28.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 29.
What are four main features of phylum coelenterates?
Q 30.
How is a body of Arthropods segmented?
Q 31.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 32.
What is a notochord? What does it do?
Q 33.
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 34.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 35.
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 36.
Give two examples of Bryophyta plants?
Q 37.
Give three examples of Molluscs
Q 38.
Give three examples of animals belong to Echinodermata
Q 39.
Ambibian heart is divided into how many chambers?
Q 40.
Give three examples of Amphibians.
Q 41.
Why do we classify organisms?
Q 42.
Why is there a need for classification and systematic naming of living organisms?
Q 43.
Give three examples of the range of variations that you see in lifeforms around you.
Q 45.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 46.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 47.
How Phanerogams are divided further chiefly?
Q 48.
In how many Phyla, the animal kingdom is divided into?
Q 49.
Write two important characteristics of sponges ?
Q 50.
Which animal phylum is commonly called as flatworms?
