Plant Kingdom MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

1. : Which of the following is a freshwater green alga that is rich in protein?
(A) Ulothrix
(B) Chlorella
(C) Chlamydomonas
(D) Spirogyra

2. : After the stage of fertilization, the zygote of a seed plant becomes…?
(A) Fruit
(B) Embryo
(C) Seed
(D) Ovule

3. : A pine seed has tissue and cotyledons from which of the following?
(A) Male gametophyte
(B) Female gametophyte
(C) Megasporangium
(D) Pollen grain

4. : A prokaryotic autotrophic nitrogen-fixing symbiont is found in which of the following?
(A) Pisum
(B) Alnus
(C) Cycas
(D) Cicer

5. : Algae having oil as standby food fit to which of the following?
(A) Xanthophyceae
(B) Rhodophyceae
(C) Chlorophyceae
(D) Phaeophyceae

6. : Antheridia and Archegonia are sex organs of which of the following?
(A) Moss
(B) Mucor
(C) Spirogyra
(D) Puccinia

7. : Archegoniophore is found in which of the following?
(A) Funaria
(B) Marchantia
(C) Chara
(D) Adiantum

8. : Archegonium is absent in which of the following?
(A) Thallophyta
(B) Pteridophyta
(C) Bryophyta
(D) Gymnosperms

9. : Chlorenchyma develops in which of the following?
(A) Mycelium of a green mold such as Aspergillus
(B) Cytoplasm of Chlorella
(C) Capsule of a moss
(D) Pollen tube of Pinus

10. : What is the shape of the chloroplast of Chlamydomonas?
(A) Collar-shaped
(B) Cup-shaped
(C) Stellate-shaped
(D) Spiral

11. : What is the shape of the chloroplast of Ulothrix?
(A) Ribbon shaped and spirally coiled
(B) Laminate
(C) Stellate
(D) Girdle shaped

12. : Which of the following plant groups needs both land and water to complete their life cycle?
(A) Tracheophyta
(B) Pteridophyta
(C) Thallophyta
(D) Bryophyta

13. : Which of the following is a plant that has seeds but no flowers and fruits?
(A) Bryophytes
(B) Gymnosperms
(C) Mosses
(D) Pteridophytes

14. : Which of the following are the most primitive vascular plants?
(A) Mosses
(B) Cycads
(C) Kelps
(D) Ferns

15. : Which of the following are the plants that possess spores and embryo but lack seeds and vascular tissues?
(A) Rhodophyta
(B) Bryophyta
(C) Pteridophyta
(D) Phaeophyta

16. : Which of the following is not an exception in angiosperms?
(A) Double fertilization
(B) Secondary growth
(C) Presence of vessels
(D) Autotrophic nutrition

17. : How Pteridophytes differ from mosses?
(A) Independent gametophyte
(B) Dependent gametophyte
(C) Flagellate antherozoids
(D) Independent and dominant sporophyte

18. : Angiosperms are the dominant flora due to which reason?
(A) Domestication by man
(B) Power of adapting in diverse habitats
(C) Self-pollination property
(D) Property of producing a large number of seeds

19. : When we compare the gametophytes with the bryophytes, the gametophytes of vascular plants tend to be
(A) Smaller and to have smaller sexual organs
(B) Smaller but to have larger sexual organs
(C) Larger but to have smaller sexual organs
(D) Larger and to have larger sexual organs

20. : Corn and beans are often cited as representative examples of which of the following?
(A) Ferns and mosses
(B) Cycads and conifers
(C) Monocots and dicots
(D) Whisk ferns and horsetails

21. : Fern gametophyte is nutritionally
(A) Chemoautotroph
(B) Parasite
(C) Sporophyte
(D) Photoautotroph

22. : What is the sexual reproduction concerning the fusion of two cells in the Chlamydomonas?
(A) Isogamy
(B) Homogamy
(C) Somatogamy
(D) Hologamy

23. : In Pteridophytes/Cycads/Gymnosperms, the endosperm is which of the following?
(A) Triploid
(B) Haploid
(C) Diploid
(D) Tetraploid

24. : Evolutionary significant character of Selaginella is which of the following?
(A) Heterosporous nature
(B) Rhizophore
(C) Strobili
(D) Ligule