MULTIPLE CHOICE QUESTIONS (MCQ’s) :
1. Organisms having single cell are termed as __________.
2. Organisms dependent on either plants or animals are called ____________.
3. Organisms do not have a defined nucleus or organelles, and are unicellular.
4. Some fungi live in a symbiotic relationship with cyanobacteria. They are called __________.
5. Plant embryos in seeds have structures called _____________.
6. Which division among plants has the simplest organisms?
7. All organisms that are similar to breed and perpetuate.
8. ____________ are called ‘seed leaves’ because in many instances they are emerge and become green when the seed germinate.
9. Animals which have three layers of cells from which differentiated tissues can be made are called ____________.
10. A fish whose skeleton are made up off cartilage.
11. Animals who show the variation in their body temperature according to the surroundings are called ____________.
12. A reptile with four chambered heart.
13. The organisms have holes (pores) all over their body.
14. Which organisms body is made up of two layers of cells.
15. ____________ glands produce milk to nurture young ones.
16. 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)
17. Which among the following produce seeds?
(a) Thallophyta
(b) Bryophyta
(c) Pteridophyta
(d) Gymnosperms
18. Which one is a true fish?
(a) Jellyfish
(b) Starfish
(c) Dogfish
(d) Silverfish
19. Which among the following is exclusively marine?
(a) Porifera
(b) Echinodermata
(c) Mollusca
(d) Pisces
20. 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)
21. In which group of animals, coelom is filled with blood?
(a) Arthropoda
(b) Annelida
(c) Nematoda
(d) Echinodermata
22. Elephantiasis is caused by _____
(a) Wuchereria
(b) Pinworm
(c) Planarians
(d) Liver flukes
23. 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
24. 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)
25. 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.
26. Pteridophyta do not have _____
(a) Root
(b) Stem
(c) Flowers
(d) Leaves
27. Identify a member of porifera.
(a) Spongilla
(b) Euglena
(c) Penicillium
(d) Hydra
28. Which is not an aquatic animal?
(a) Hydra
(b) Jelly fish
(c) Corals
(d) Filaria
29. Amphibians do not have the following
(a) Three-chambered heart
(b) Gills as lungs
(c) Scales
(d) Mucus glands
30. The locomotory organs of Echinodermata are ____
(a) Tube feet
(b) Muscular feet
(c) Jointed legs
(d) None of the above
Answers:
1.(d) Unicellular
2.(a) Heterotrophs
3. (b) Monera
4. (c) Lichens
5. (d) Cotyledons
6. (a) Algae
7.(b) Species
8. (d) Cotyledons
9. (a) Triploblastic
10.(c) Shark
11.(a) Cold-blooded
12.(b) Crocodile
13. (d) Porifera
14. (a) Coelenterate
15. (d) Mammary
16.(c) (iii) and (iv)
17.(d) Gymnosperms
18.(c) Dogfish
19.(b) Echinodermata
20.(a) (i) and (ii)
21. (a) Arthropoda
22.(a) Wuchereria
23.(a) Presence of notochord
24.(c) (ii) and (iii)
25.(d) Fishes, amphibians and reptiles are oviparous.
26.(c) Flowers
27.(a) Spongilla
28.(d) Filaria
29.(c) Scales
30. (a) Tube feet