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Important Questions for Biological Diversity





Given below are the Diversity in living organisms class 9 important questions for Biological Diversity
(a) Concepts questions
(b) Long answer questions
(c) Fill in the blank's
Question 1.
Rewrite the scientific names correctly
(a)panther tigris
(b)periplaneta Americana
Question 2.
Sate any two characteristics of mammalian. Name two egg laying mammals?
Question 3.
Define classification of organisms. Why do we need to classify them? Mention any two major characteristics used for classifying organisms?
Question 4.
What is meant by the term hermaphrodite?
Question 5.
Write three characteristics each of the following groups of animals:
(a)Platyhelminthes
(b)Nematoda
Question 6.
What are the difference between amphibians and reptiles?
Question 7.
What are the main characteristics of Chordates?
Question 8.
Protochordates possesses a notochord in larval forms. Appraise the use of this feature in these animals?
Question 9.
Will advanced organisms be the same as complex organisms? If so why?
Question 10.
Give the appropriate term for each of the following
(a)Complex sugar that make the fungal cell wall
(b)Basic unit of classification
(c)Plants which bear naked seeds
(d)Group of unicellular eukaryotic organism
(e)Blue-green algae

Question 11.
Draw a diagram of Euglena and label the following parts:
Flagellum, photoreceptor, eyespot, chloroplast, nucleus, contractile vacuole.
Question 12.
Explain the basis for grouping organisms into five kingdoms?
Question 13.
Bat can fly still it is placed in mammals? Why?
Question 14.
Name the carbon compounds which are used to form the endoskeleton and exoskeleton of animals?
Question 15.
State any three differences between cryptogamae and phanerogamae?
Question 16.
What was the modification introduced by Woese in kingdom Monera?
Question 17.
X, Y, and Z are living organisms.
(a)Identify the group to which they belong on the basis of following features:
X – Microscopic, unicellular, prokaryotic.
Y - Microscopic, unicellular, eukaryotic and shows locomotion with the help of pseudopodia/flagella.
Z - Microscopic, eukaryotic, filamentous, autotropic and aquatic.
(b)Which amongst the above is most advanced?
(c)Name one organism each belonging to the groups of X, Y and Z.
Question 18.
What do you understand by diploblasty? Give one example of an organism which is diploblastic?
Question 19.
What are the differences between animals belonging to the Aves group and those in the Mammalia groups?
Question 20.
Identify the animal group having:
(a)Bones light and hollow.
(b)Soft body animals supported by calcareous shells.
(c)Body spiny skinned and triploblastic.
(d)Body is cylindrical rather than flattened.
(e)Jointed legs.
(f)Body differentiation in segmental fashion.
Question 21.
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Question 22.
How do gymnosperms different from the phanerogams?
Question 23.
Name the cytoplasmic extension used by Amoeba for locomotion?
Question 24.
How do poriferan animal differ from coelenterate animals?
Question 25.
How do annelid animals differ from arthropods?


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