Diversity in Living Organisms

 MCQs Questions with Answers

Q1. Find out incorrect sentence:
(a) Protista includes unicellular eukaryotic organisms
(b) Whittaker considered cell structure, mode and source of nutrition classifying the organisms in five kingdoms
(c) Both Monera and Protista may be autotrophic and heterotrophic
(d) Monerans have well defined nucleus

Answer: (d) Monerans have well defined nucleus

Q2. Which among the following has specialised tissue for conduction of water?
(i) Thallophyta
(ii) Bryophyta
(iii) Pteridophyta
(iv) Gymnosperms
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

Answer: (c) (iii) and (iv)

Q3. Which among the following produce seeds?
(a) Thallophyta
(b) Bryophyta
(c) Pteridophyta
(d) Gymnosperms

Answer: (d) Gymnosperms

Q4. Which one is a true fish?
(a) Jellyfish
(b) Starfish
(c) Dogfish
(d) Silverfish

Answer: (c) Dogfish

Q5. Which among the following is exclusively marine?
(a) Porifera
(b) Echinodermata
(c) Mollusca
(d) Pisces

Answer: (b) Echinodermata

Q6. Which among the following have open circulatory system?
(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata
(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iii)
(d) (ii) and (iv)

Answer: (a) (i) and (ii)

Q7. In which group of animals, coelom is filled with blood?
(a) Arthropoda
(b) Annelida
(c) Nematoda
(d) Echinodermata

Answer: (a) Arthropoda

Q8.Elephantiasis is caused by
(a) Wuchereria
(b) Pinworm
(c) Planarians
(d) Liver flukes

Answer: (a) Wuchereria

Q9. Which one is the most striking or (common) character of the vertebrates?
(a) Presence of notochord
(b) Presence of triploblastic condition
(c) Presence of gill pouches
(d) Presence of coelom

Answer: (a) Presence of notochord

Q10. Which among the following have scales?
(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals
(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (ii)

Answer: (c) (ii) and (iii)

Q11. Find out the false statement.
(a) Aves are warm-blooded, egg laying and have four-chambered heart.
(b) Aves have feather covered body, forelimbs are modified as wing and breathe through lungs.
(c) Most of the mammals are viviparous.
(d) Fishes, amphibians and reptiles are oviparous.

Answer: (d) Fishes, amphibians and reptiles are oviparous.

Q12. Pteridophyta do not have
(a) root
(b) stem
(c) flowers
(d) leaves

Answer: (c) flowers

Q13. Identify a member of porifera
(a) Spongilla
(b) Euglena
(c) Penicillium
(d) Hydra

Answer: (a) Spongilla

Q14. Which is not an aquatic animal?
(a) Hydra
(b) Jelly fish
(c) Corals
(d) Filaria

Answer: (d) Filaria

Q15. Amphibians do not have the following
(a) Three-chambered heart
(b) Gills of lungs
(c) Scales
(d) Mucus glands

Answer: (c) Scales

Q16. Organisms without nucleus and cell organelles belong to
(i) fungi
(ii) protista
(iii) cyano bacteria
(iv) archae bacteria
(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

Answer: (b) (iii) and (iv)

Q17. Which of the following is not a criterion for classification of living organisms?
(a) Body design of the organism
(b) Ability to produce one’s own food
(c) Membrane bound nucleus and cell organelles
(d) Height of the plant

Answer: (d) Height of the plant

Q18. The feature that is not a characteristic of protochordata?
(a) Presence of notochord
(b) Bilateral symmetry and coelom
(c) Jointed legs
Answer: (c) Jointed legs

Q19.The locomotory organs of Echinodermata are
(a) tube feet
(b) muscular feet
(c) jointed legs
(d) parapodia

Answer: (a) tube feet

Q20.Corals are
(a) Poriferans attached to some solid support
(b) Cnidarians, that are solitary living
(c) Poriferans present at the sea bed
(d) Cnidarians that live in colonies

Answer: (d) Cnidarians that live in colonies

Q21. Who introduced the sytem of scientific nomenclature of organisms?
(a) Robert Whittaker
(b) Carolus Linnaeus
(c) Robert Hooke
(d) Ernst Haeckel

Answer: (b) Carolus Linnaeus

Q22. Two chambered heart occurs in
(a) crocodiles
(b) fish
(c) aves
(d) amphibians

Answer: (b) fish

Q23. Skeleton is made entirely of cartilage in
(a) Sharks
(b) Tuna
(c) Rohu
(d) None of these

Answer: (a) Sharks

Q24. One of the following is not an Annelid?
(a) Nereis
(b) Earthworm
(c) Leech
(d) Urchins

Answer: (d) Urchins

Q25. The book Systema Naturae was written by
(a) Linnaeus
(b) Haeckel
(c) Whittaker
(d) Robert Brown

Answer: (a) Linnaeus

Q26.Karl Von Linne was involved with which branch of science?
(a) Morphology
(b) Taxonomy
(c) Physiology
(d) Medicine

Answer: (b) Taxonomy

Q27. Real organs are absent in
(a) Mollusca
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata

Answer: (b) Coelenterata

Q28. Hard calcium carbonate structures are used as skeleton by
(a) Echinodermata
(b) Protochordata
(c) Arthropoda
(d) Nematoda

Answer: (a) Echinodermata

Q29. Differentiation in segmental fashion occurs in
(a) Leech
(b) Starfish
(c) Snails
(d) Ascaris

Answer: (a) Leech

Q30. In taxonomic hierarchy family comes between
(a) Class and Order
(b) Order and Genus
(c) Genus and Species
(d) Division and Class

Answer: (b) Order and Genus

Q31. 5-Kingdom classification has given by
(a) Morgan
(b) R. Whittaker
(c) Linnaeus
(d) Haeckel

Answer: (b) R. Whittaker

Q32. Well defined nucleus is absent in
(a) blue green algae
(b) diatoms
(b) algae
(d) yeast

Answer: (a) blue green algae

Q33. The ‘Origin of Species’ is written by
(a) Linnaeus
(b) Darwin
(c) Hackel
(d) Whittaker

Answer: (b) Darwin

Q34. Meena and Han observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the owing which confirms that it is an insect.
(a) Bilateral symmetrical body
(b) Body with jointed legs
(c) Cylindrical body
(d) Body with little segmentation

Answer: (b) Body with jointed legs