Five-Kingdom Classification
1. The five-kingdom classification was proposed by:
(A) Carl Linnaeus
(B) R.H. Whittaker
(C) Charles Darwin
(D) Gregor Mendel
Answer: (B) R.H. Whittaker
2. Which of the following is not one of the five kingdoms?
(A) Monera
(B) Protista
(C) Fungi
(D) Archaea
Answer: (D) Archaea
3. Bacteria are generally placed in the kingdom:
(A) Protista
(B) Monera
(C) Fungi
(D) Plantae
Answer: (B) Monera
4. Organisms in Kingdom Monera are generally:
(A) Multicellular eukaryotes
(B) Unicellular prokaryotes
(C) Multicellular plants
(D) Unicellular fungi
Answer: (B) Unicellular prokaryotes
5. Amoeba belongs to the kingdom:
(A) Monera
(B) Protista
(C) Fungi
(D) Animalia
Answer: (B) Protista
6. Which kingdom mainly consists of organisms that obtain nutrients by absorption and includes yeasts and moulds?
(A) Plantae
(B) Fungi
(C) Animalia
(D) Protista
Answer: (B) Fungi
7. Which kingdom includes multicellular organisms that generally perform photosynthesis and possess cell walls made mainly of cellulose?
(A) Plantae
(B) Animalia
(C) Fungi
(D) Monera
Answer: (A) Plantae
8. Animals belong to the kingdom:
(A) Plantae
(B) Animalia
(C) Protista
(D) Fungi
Answer: (B) Animalia
Major Animal Groups
9. Animals without a backbone are generally called:
(A) Vertebrates
(B) Invertebrates
(C) Mammals
(D) Chordates
Answer: (B) Invertebrates
10. Which phylum includes sponges?
(A) Porifera
(B) Annelida
(C) Mollusca
(D) Arthropoda
Answer: (A) Porifera
11. Hydra belongs to the phylum:
(A) Porifera
(B) Cnidaria
(C) Annelida
(D) Mollusca
Answer: (B) Cnidaria
12. Earthworms belong to the phylum:
(A) Arthropoda
(B) Annelida
(C) Mollusca
(D) Echinodermata
Answer: (B) Annelida
13. Which phylum is the largest animal phylum?
(A) Mollusca
(B) Arthropoda
(C) Annelida
(D) Chordata
Answer: (B) Arthropoda
14. Which characteristic is typical of arthropods?
(A) Jointed appendages and exoskeleton
(B) Soft body without segmentation in all cases
(C) Radial symmetry only
(D) No nervous system
Answer: (A) Jointed appendages and exoskeleton
15. Which of the following belongs to Mollusca?
(A) Snail
(B) Earthworm
(C) Starfish
(D) Cockroach
Answer: (A) Snail
16. Starfish belongs to the phylum:
(A) Mollusca
(B) Arthropoda
(C) Echinodermata
(D) Annelida
Answer: (C) Echinodermata
17. Which group is characterized by the presence of a notochord at some stage of development?
(A) Chordata
(B) Porifera
(C) Cnidaria
(D) Mollusca
Answer: (A) Chordata
Vertebrates
18. Which class includes animals that generally have gills and live in water?
(A) Pisces
(B) Amphibia
(C) Reptilia
(D) Mammalia
Answer: (A) Pisces
19. Frogs and toads belong to:
(A) Reptilia
(B) Amphibia
(C) Mammalia
(D) Aves
Answer: (B) Amphibia
20. Which group includes animals with dry, scaly skin and that are generally ectothermic?
(A) Amphibia
(B) Reptilia
(C) Aves
(D) Mammalia
Answer: (B) Reptilia
21. Which characteristic is most closely associated with birds?
(A) Feathers
(B) Hair
(C) Moist skin
(D) External gills
Answer: (A) Feathers
22. Which characteristic is unique to mammals among the major vertebrate groups?
(A) Presence of a backbone
(B) Hair and mammary glands
(C) Presence of lungs
(D) Presence of a heart
Answer: (B) Hair and mammary glands
Major Plant Groups
23. Which group is generally considered the simplest major group of land plants and lacks true vascular tissue?
(A) Bryophytes
(B) Gymnosperms
(C) Angiosperms
(D) Pteridophytes
Answer: (A) Bryophytes
24. Mosses belong to:
(A) Bryophytes
(B) Pteridophytes
(C) Gymnosperms
(D) Angiosperms
Answer: (A) Bryophytes
25. Which plant group has vascular tissues but generally reproduces through spores rather than seeds?
(A) Bryophytes
(B) Pteridophytes
(C) Gymnosperms
(D) Angiosperms
Answer: (B) Pteridophytes
26. Ferns are examples of:
(A) Bryophytes
(B) Pteridophytes
(C) Gymnosperms
(D) Angiosperms
Answer: (B) Pteridophytes
27. Gymnosperms are characterized by:
(A) Naked seeds
(B) Seeds enclosed inside fruits
(C) Absence of vascular tissue
(D) Absence of roots
Answer: (A) Naked seeds
28. Which of the following is an example of a gymnosperm?
(A) Mango
(B) Pine
(C) Rose
(D) Fern
Answer: (B) Pine
29. Angiosperms are plants that:
(A) Have seeds enclosed within fruits
(B) Have no vascular tissue
(C) Produce only spores
(D) Have naked seeds
Answer: (A) Have seeds enclosed within fruits
30. Which of the following is an angiosperm?
(A) Pine
(B) Cycas
(C) Mango
(D) Moss
Answer: (C) Mango
Must-Memorize Classification Table
Five Kingdoms
| Kingdom | Main Characteristic | Example |
|---|---|---|
| Monera | Prokaryotic organisms | Bacteria |
| Protista | Mostly unicellular eukaryotes | Amoeba |
| Fungi | Absorptive heterotrophs; chitinous cell wall | Mushroom, yeast |
| Plantae | Multicellular photosynthetic organisms | Mango plant |
| Animalia | Multicellular heterotrophs without cell walls | Human |
Major Animal Groups
| Group/Phylum | Key Characteristic | Example |
|---|---|---|
| Porifera | Pore-bearing animals | Sponge |
| Cnidaria | Stinging cells | Hydra |
| Platyhelminthes | Flatworms | Tapeworm |
| Nematoda | Roundworms | Ascaris |
| Annelida | Segmented worms | Earthworm |
| Arthropoda | Jointed appendages, exoskeleton | Cockroach |
| Mollusca | Soft-bodied animals | Snail |
| Echinodermata | Spiny skin, water vascular system | Starfish |
| Chordata | Notochord at some stage | Fish, human |
Major Vertebrate Groups
Pisces → Fish → Gills
Amphibia → Frog → Land + water
Reptilia → Snake → Dry scales
Aves → Birds → Feathers
Mammalia → Human/Cow → Hair + mammary glands
Major Plant Groups
| Group | Key Characteristic | Example |
|---|---|---|
| Bryophytes | Non-vascular; reproduce by spores | Moss |
| Pteridophytes | Vascular; reproduce by spores | Fern |
| Gymnosperms | Naked seeds | Pine |
| Angiosperms | Seeds enclosed in fruits | Mango |
Application-Based Questions to Memorize
Bacteria → Monera
Amoeba → Protista
Yeast → Fungi
Mango plant → Plantae
Human → Animalia
Sponge → Porifera
Hydra → Cnidaria
Earthworm → Annelida
Cockroach → Arthropoda
Snail → Mollusca
Starfish → Echinodermata
Fish → Pisces
Frog → Amphibia
Snake → Reptilia
Bird → Aves
Human → Mammalia
Moss → Bryophyte
Fern → Pteridophyte
Pine → Gymnosperm
Mango → Angiosperm
Naked seeds → Gymnosperms
Seeds enclosed in fruits → Angiosperms
Vascular tissue absent → Bryophytes
Vascular tissue + spores → Pteridophytes