Diversity in living organisms class 9 questions and answers

Given below are the Diversity in living organisms class 9 important questions
(a) Multiple Choice Questions
(b)Very Short Answer type
(c) Short Answer type
(d) Long Answer type

Multiple Choice Questions

Question 1.
Two chambered heart occurs in
(a) crocodiles
(b) fish
(c) aves
(d) amphibian

Question 2.
In which group of animals, coelom is filled with blood? (a) Arthropoda
(b) Annelida
(c) Nematoda
(d) Echinodermata

Question 3.
Which is not an aquatic animal? (a) Hydra
(b) Jelly fish
(c) Corals
(d) Filaria

Question 4.
Karl Von Linne was involved with which branch of science?
(a) Morphology
(b) Taxonomy
(c) Physiology
(d) Medicine

Very Short Answer type

Question 5.
Rewrite the scientific names correctly
(a)panthera tigris
(b)periplaneta Americana
(c)ficus religiousa(peepal)
(d) zea Mays(maize)
(e) Bombyx Mori(silk moth)

Question 6.
What is meant by the term hermaphrodite?

Question 7.
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 8.
Name the carbon compounds which are used to form the endoskeleton and exoskeleton of animals?

Question 9.
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 10.
Name the cytoplasmic extension used by Amoeba for locomotion?

Question 11.
Who proposed five kingdom systems?

Question 12.
Write the scientific name of human?

Question 13.
Who gave binomial nomenclature?

Question 14.
Write the name of symbiotic association of fungi and green algae?

Question 15.
What is the major difference between monera and Protista?

Question 16.
What is biodiversity?

Short Answer Type

Question 17.
What are the difference between amphibians and reptiles?

Question 18.
What are the main characteristics of Chordates?

Question 19.
Protochordates possesses a notochord in larval forms. Appraise the use of this feature in these animals?

Question 20.
State any two characteristics of mammalian. Name two egg laying mammals?

Question 21.
Define classification of organisms. Why do we need to classify them? Mention any two major characteristics used for classifying organisms?
Question 22.
Bat can fly still it is placed in mammals? Why?

Question 23.
State any three differences between cryptogamae and phanerogamae?
Question 24.
Which organisms are called primitive and how are they different from the so-called advanced organisms?

Question 25.
How do gymnosperms different from the phanerogams?
Question 26.
How do poriferan animal differ from coelenterate animals?
Question 27.
H How do annelid animals differ from arthropods?
Question 28.
Will advanced organisms be the same as complex organisms? If so why?
Question 29.
What are the advantages of classifying organisms?
Question 30.
Differentiate between monocots and dicots?
Question 31.
How do gymnosperms differ from angiosperms?
Question 34.
Why fungi are called saprophytes?
Question 35.
Write the characteristics features of fungi?

Long Answer type

Question 36.
Write three characteristics each of the following groups of animals:
Question 37.
Draw a diagram of Euglena and label the following parts:
Flagellum, photoreceptor, eyespot, chloroplast, nucleus, contractile vacuole.
Question 38.
Explain the basis for grouping organisms into five kingdoms?
Question 39.
What was the modification introduced by Woese in kingdom Monera?
Question 40.
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 41.
What do you understand by diploblasty? Give one example of an organism which is diploblastic?
Question 42.
What are the differences between animals belonging to the Aves group and those in the Mammalia groups?
Question 43.
Give comparative account of following
a. Marchantia and Marselia
b. Pinus and Ferns
c. Vlothrix and spirogyra


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