50 JAMB and WAEC Biology Questions on Kingdom Plantae (With Answers)
50 JAMB and WAEC Biology Questions on Kingdom Plantae (With Answers)
This comprehensive set of objective questions focuses on the Kingdom Plantae, covering the characteristics, classification, and life cycles of plants as outlined in standard biology curricula. Based on botanical divisions—Thallophyta (Algae), Bryophyta (Mosses and Liverworts), Pteridophyta (Ferns), and Spermatophyta (Gymnosperms and Angiosperms)—these questions test your understanding of plant structure, reproduction, vascular systems, and evolutionary advancement. Use these 50 carefully curated questions to prepare effectively for JAMB and WAEC examinations.
Also check – 30 JAMB and WAEC Biology Questions on Fungi and Cell Structure (With Answers)
50 Biology Questions on Kingdom Plantae (With Answers)
- Green plants belong to the kingdom Plantae primarily because they possess
A. cellulose cell walls and chloroplasts
B. chitin cell walls and mitochondria
C. protein cell walls and no nucleus
D. peptidoglycan cell walls and flagella - Which of the following is NOT a characteristic of plants?
A. They are multicellular and non-motile
B. They store carbohydrates as glycogen
C. Their cells have rigid cellulose walls
D. They contain chlorophyll for photosynthesis - The branch of biology concerned with identifying, naming, and classifying plants is called
A. plant physiology
B. plant anatomy
C. plant taxonomy
D. plant ecology - A multinucleate body without internal cell boundaries is characteristic of
A. bryophytes
B. fungi
C. algae
D. gymnosperms - The algae, bryophytes and pteridophytes are similar in that they
A. are seed weeds
B. have no vascular tissues
C. require moisture for fertilization
D. are microscopic plants - The spores of ferns are dispersed by
A. wind
B. water
C. insects
D. explosive mechanism - In bryophytes, sex organs are produced in the
A. gametophyte
B. rhizoid
C. protonema
D. sporophyte - Angiosperms and gymnosperms belong to the plant group known as
A. schizophyta
B. bryophyta
C. pteridophyta
D. spermatophyte - Which of the following are non-green plants?
A. Euglena
B. Fungi
C. Spirogyra
D. Angiosperms - Which of the following are differentiated into true roots, stems and leaves?
A. Algae
B. Schizophyta
C. Pteridophyta
D. Bryophyta - The annulus of fern sporangium helps in
A. spore dispersal
B. conduction of mineral salts
C. trapping of light energy
D. transportation of water - Which of the following correctly summarizes the life cycle of a fern plant?
A. Spore → prothallus → thallus → sporangium
B. Male and female gametangia → Zygospore → sporangium → spores
C. Spore → thallus → spermatozoa + ovum → sporangium
D. Prothallus → spermatozoid + egg cell → leaf plant → sporangium → spore - Production of naked seeds is a distinctive feature of the group of plants called
A. grasses
B. conifers
C. legumes
D. palms - In which of these features do bryophytes differ from pteridophytes?
A. Absence of flower
B. Alternation of generation
C. Dependence on water for reproduction
D. Presence of a vascular system - Which of the following organs or cell components are common to both the sporophyte and the gametophyte of a fern?
A. Rhizoids
B. Roots
C. Chloroplasts
D. Leaves - Which is the correct order in an evolutionary sequence for the following plant groups?
A. Bacteria → ferns → algae → mosses → seed plants
B. Bacteria → ferns → mosses → algae → seed plants
C. Bacteria → algae → mosses → ferns → seed plants
D. Bacteria → mosses → algae → ferns → seed plants - Green plants are distinguished from other living organisms by their ability to
A. make use of water
B. make use of oxygen
C. respond to sunlight
D. manufacture their own food - Which of the following perform similar functions?
A. Ascospores and ascocarp
B. Antherozoids and rhizoids
C. Sorus and indusium
D. Strobili and inflorescence - The order in which organic evolution has progressed in plants is
A. thallophyta, schizophyta, bryophyta, pteridophyta and spermatophyta
B. bryophyta, pteridophyta, spermatophyta, thallophyta and schizophyta
C. pteridophyta, spermatophyta, thallophyta, schizophyta and bryophyta
D. schizophyta, thallophyta, bryophyta, pteridophyta and spermatophyta - Which of the following groups is the most advanced?
A. Pteridophytes
B. Bryophytes
C. Thallophytes
D. Gymnosperms - Most monocots are easily recognized by their
A. short leaves with petioles
B. long and sword-like leaves
C. long and palm-like leaves
D. short leaves with many veinlets - One distinctive feature in the life history of liverworts is that they exhibit
A. vegetative reproduction
B. alternation of generation
C. sexual reproduction
D. asexual reproduction - The absence of special food and water-conducting systems restricts the body size in
A. liverworts, mosses and ferns
B. the thallophytes and the pteridophytes
C. algae, liverworts and mosses
D. the bryophytes and the pteridophytes - Angiosperms and gymnosperms belong to the class
A. spermatophyte
B. bryophyte
C. schizophyta
D. pteridophyta - The dominant phase in the life cycle of a bryophyte is the
A. gametangium
B. sporophyte
C. gametophyte
D. prothallus - The evidence that supports the advancement of ferns over mosses is derived from
A. comparative anatomy
B. molecular records
C. biochemical similarities
D. physiological records - The dominant phase in the life cycle of a fern is the
A. gametophyte
B. prothallus
C. sporophyte
D. antheridium - Seed plants are divided into
A. angiosperms and gymnosperms
B. monocotyledons and dicotyledons
C. thallophytes and bryophytes
D. tracheophytes and ferns - Plants that show secondary growth are usually found among the
A. thallophytes
B. pteridophytes
C. monocotyledons
D. dicotyledons - Double fertilization is a unique feature of
A. angiosperms
B. bryophytes
C. pteridophytes
D. algae - A wide pith with a ring of conducting tissue is characteristic of the root of
A. sunflower
B. maize
C. bean
D. okra - Thallophyta are characterized by all the following EXCEPT
A. they lack true roots, stems and leaves
B. they are mostly aquatic
C. they possess vascular tissues
D. some are unicellular while others are multicellular - Which of the following is an example of a unicellular green alga?
A. Spirogyra
B. Volvox
C. Chlamydomonas
D. Sargassum - Bryophytes are often called the amphibians of the plant kingdom because
A. they live both on land and in water
B. water is required for their sexual reproduction
C. they have both sporophyte and gametophyte stages
D. their rhizoids absorb water like roots - Which structure in bryophytes anchors the plant to the substrate?
A. Roots
B. Rhizoids
C. Stolons
D. Tendrils - Pteridophytes differ from bryophytes in that they possess
A. chlorophyll
B. alternation of generations
C. vascular bundles (xylem and phloem)
D. spores - The heart-shaped structure responsible for sexual reproduction in ferns is called the
A. sorus
B. rhizome
C. prothallus
D. indusium - Which of the following is an aquatic fern?
A. Dryopteris
B. Platycerium
C. Azolla
D. Cyclosorus - Gymnosperms produce seeds that are described as “naked” because
A. they lack a seed coat
B. they are not enclosed in an ovary or fruit
C. they have no endosperm
D. they germinate immediately upon dispersal - Which of the following is an example of a gymnosperm?
A. Oil palm tree
B. Mango tree
C. Whistling pine (Casuarina)
D. Maize plant - Angiosperms are characterized by all the following EXCEPT
A. possession of true flowers
B. seeds enclosed in an ovary
C. double fertilization
D. production of naked seeds - A plant with fibrous roots, parallel leaf venation, and scattered vascular bundles is classified as a
A. dicotyledon
B. monocotyledon
C. gymnosperm
D. pteridophyte - In dicotyledonous plants, the vascular bundles in the stem are arranged
A. scattered throughout the ground tissue
B. in a ring
C. in a central cylinder only
D. randomly with no pattern - Which of the following correctly pairs a monocotyledon feature with a dicotyledon feature?
A. Monocot: net-veined leaves; Dicot: parallel-veined leaves
B. Monocot: one cotyledon; Dicot: two cotyledons
C. Monocot: tap root system; Dicot: fibrous root system
D. Monocot: secondary growth present; Dicot: no secondary growth - According to R.H. Whittaker (1969), Kingdom Plantae refers to
A. all photosynthetic organisms including bacteria
B. multicellular photosynthetic eukaryotes with well-developed tissues
C. only flowering and non-flowering seed plants
D. all organisms with cellulose cell walls including fungi - The binomial system of nomenclature assigns each plant
A. a family and order name
B. a generic (genus) name and specific (species) name
C. a division and class name
D. a common name and scientific name - Which pigment is responsible for masking the green chlorophyll in some algae?
A. Carotene only
B. Xanthophyll only
C. Blue, yellow, brown and red pigments
D. Phycoerythrin only - In the alternation of generations seen in bryophytes and pteridophytes, the gametophyte generation
A. produces spores
B. is diploid
C. produces gametes
D. is always dominant in ferns - The young leaves of ferns are characteristically
A. flat and broad
B. needle-like
C. coiled (circinate)
D. absent - Plants store carbohydrates mainly as
A. glycogen
B. starch or sucrose
C. glucose only
D. chitin
Check this – JAMB/WAEC Biology Objective Test: 30 Questions on Microorganisms
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