Kingdom Plantae MCQs for MDCAT Practice
Biology section, Kingdom Plantae chapter. Up to eight free sample questions, each with the correct answer and a worked explanation. The full chapter opens in the app.
The bank has 561 active questions on this chapter. Your first 500 practice attempts are free, and every attempt includes a worked explanation.
- Question 1Megaspores are produced from the megaspore mother cells after:
- Mitotic division
- Formation of thick wall
- Differentiation
- Meiotic division (correct answer)
Correct answer: DMegaspores, essential for female gametophyte development in plants, arise from megaspore mother cells exclusively through meiotic division, ensuring genetic diversity. - Question 2In a shaded forest floor, a moss grows successfully despite low water availability. Which adaptation helps it survive?
- Cuticle and rhizoids (correct answer)
- Flowers
- Seeds
- Secondary xylem
Correct answer: AMosses, lacking advanced vascular tissues, rely on specific adaptations like a cuticle and rhizoids to manage water scarcity on forest floors. - Question 3In which of the following plant sunken stomata are found?
- Nerium (correct answer)
- Hydrilla
- Mango
- Guava
Correct answer: ASunken stomata are adaptations for water conservation in xerophytes. Nerium oleander exhibits this feature to reduce transpiration in arid environments. - Question 4Club-mosses are also called
- Psilopsida
- Sphenopsida
- Lycopsida (correct answer)
- Pleropsida
Correct answer: CClub-mosses, characterized by their moss-like appearance and vascular tissue, are classified under the division Lycopsida, distinguishing them from other seedless vascular plant groups. - Question 5The given characteristics are present in a sporophyte.• Waxy cuticle.• Meristematic tissues.• Stomata and chloroplasts.The subdivision of bryophytes that exhibits the given sporophytic characteristics is
- Psilopsida.
- Bryopsida.
- Hepaticopsida.
- Anthoceropsida. (correct answer)
Correct answer: DAnthoceropsida, a bryophyte subdivision, features sporophytes with a waxy cuticle, meristematic tissue, and stomata, distinguishing them from other bryophytes. - Question 6Plants which produce characteristic pneumatophores and show vivipary belong to:
- Halophytes (correct answer)
- Psammophytes
- Hydrophytes
- Mesophytes
Correct answer: AThis question tests the understanding of plant adaptations to specific environments, specifically focusing on adaptations like pneumatophores and vivipary found in halophytes. - Question 7Bryophytes are amphibians because
- They require a layer of water for carrying out sexual reproduction (correct answer)
- They occur in damp places
- They are mostly aquatic
- All the above
Correct answer: ABryophytes are called 'amphibians of the plant kingdom' primarily because their sexual reproduction is dependent on water, mirroring the amphibious lifestyle of certain animals. - Question 8The embryo of Selaginella develops into:
- Gametophyte
- Thallophyte
- Saprophyte
- Sporophyte (correct answer)
Correct answer: DSelaginella, a heterosporous lycophyte, exhibits an embryo that develops into the dominant sporophyte generation, characteristic of vascular plants.
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