Prepare yourself for the NEET Exam 2024 with challenging MCQ on Plant Kingdom for NEET Exam 2024. Strengthen your botany knowledge and ace that exam!
MCQ on Plant Kingdom for NEET Exam 2024
1. Which of the following statements about algae is incorrect?
a) Algae are largely aquatic organisms.
b) Algae exhibit only vegetative and asexual methods of reproduction.
c) Some algae form associations with fungi and animals.
d) Sexual reproduction in algae involves the fusion of two gametes.
Answer: b) Algae exhibit only vegetative and asexual methods of reproduction.
2. Which class of algae is commonly known as brown algae?
a) Chlorophyceae
b) Phaeophyceae
c) Rhodophyceae
d) Bacillariophyceae
Answer: b) Phaeophyceae
3. Which pigment is predominantly found in red algae?
a) Chlorophyll a
b) Chlorophyll b
c) R-phycoerythrin
d) Xanthophylls
Answer: c) R-phycoerythrin
4. Liverworts are characterized by:
a) Dorsiventral thallus
b) Presence of multicellular rhizoids
c) Unicellular sex organs
d) Production of gemmae for asexual reproduction
Answer: a) Dorsiventral thallus
5. Gymnosperms are distinguished from angiosperms by:
a) Enclosed ovules within an ovary
b) Presence of true roots, stems, and leaves
c) Heterosporous reproduction
d) Production of seeds enclosed within fruits
Answer: c) Heterosporous reproduction
6. Which of the following is NOT a characteristic of bryophytes?
a) They are commonly found in moist shaded areas.
b) They possess true roots, stems, and leaves.
c) Bryophytes exhibit a haplo-diplontic life cycle.
d) They depend on water for sexual reproduction.
Answer: b) They possess true roots, stems, and leaves.
7. What is the dominant phase in the life cycle of pteridophytes?
a) Sporophyte
b) Gametophyte
c) Haploid phase
d) Diploid phase
Answer: a) Sporophyte
8. Which of the following classes of gymnosperms is known for having coralloid roots associated with nitrogen-fixing cyanobacteria?
a) Cycadopsida
b) Ginkgopsida
c) Pinopsida
d) Gnetopsida
Answer: a) Cycadopsida
9. In which group of plants does double fertilization occur?
a) Bryophytes
b) Gymnosperms
c) Pteridophytes
d) Angiosperms
Answer: d) Angiosperms
10. What is the primary function of sporangia in plants?
a) Production of spores by meiosis
b) Fusion of gametes during fertilization
c) Protection of developing embryos
d) Anchoring the plant to the substratum
Answer: a) Production of spores by meiosis
11. Which class of algae is known for its green coloration due to the dominance of chlorophyll a and b?
a) Chlorophyceae
b) Phaeophyceae
c) Rhodophyceae
d) Bacillariophyceae
Answer: a) Chlorophyceae
12. Which pigment is predominantly found in brown algae?
a) Chlorophyll a
b) Chlorophyll b
c) Fucoxanthin
d) R-phycoerythrin
Answer: c) Fucoxanthin
13. What is the primary mode of reproduction in liverworts?
a) Fragmentation
b) Formation of gemmae
c) Spore production in capsules
d) Sexual reproduction via flagellated gametes
Answer: c) Spore production in capsules
14. Which group of plants is often referred to as the “amphibians of the plant kingdom”?
a) Bryophytes
b) Pteridophytes
c) Gymnosperms
d) Angiosperms
Answer: a) Bryophytes
15. What is the main difference between monocotyledons and dicotyledons?
a) Presence of a single cotyledon in monocotyledons and two cotyledons in dicotyledons
b) Presence of parallel venation in monocotyledons and reticulate venation in dicotyledons
c) Trimerous flowers in monocotyledons and tetramerous or pentamerous flowers in dicotyledons
d) All of the above
Answer: d) All of the above
16. Which class of algae is commonly known as red algae?
a) Chlorophyceae
b) Phaeophyceae
c) Rhodophyceae
d) Bacillariophyceae
Answer: c) Rhodophyceae
17. What is the primary mode of vegetative reproduction in green algae?
a) Fragmentation
b) Formation of zoospores
c) Formation of gemmae
d) Production of conidia
Answer: a) Fragmentation
18. Which group of plants possesses a haplo-diplontic life cycle?
a) Algae
b) Bryophytes
c) Gymnosperms
d) Angiosperms
Answer: b) Bryophytes
19. What is the main function of the holdfast in brown algae?
a) Photosynthesis
b) Reproduction
c) Attachment to substratum
d) Protection from herbivores
Answer: c) Attachment to substratum
20. Which class of gymnosperms is known for having unbranched stems?
a) Cycadopsida
b) Ginkgopsida
c) Pinopsida
d) Gnetopsida
Answer: b) Ginkgopsida
21. Which group of plants possesses vascular tissues but does not produce flowers or fruits?
a) Algae
b) Bryophytes
c) Gymnosperms
d) Angiosperms
Answer: c) Gymnosperms
22. What is the characteristic feature of the plant body in liverworts?
a) Thalloid structure
b) Presence of true roots, stems, and leaves
c) Leafy appendages on stem-like structures
d) Well-differentiated vascular tissue
Answer: a) Thalloid structure
23. Which class of pteridophytes includes ferns and horsetails?
a) Psilopsida
b) Lycopsida
c) Sphenopsida
d) Pteropsida
Answer: d) Pteropsida
24. In which class of gymnosperms do the male and female gametophytes not have an independent free-living existence?
a) Cycadopsida
b) Ginkgopsida
c) Pinopsida
d) Gnetopsida
Answer: a) Cycadopsida
25. What is the term used to describe the rotation between haploid and diploid stages in plant life cycles?
a) Alternation of generations
b) Vegetative reproduction
c) Sexual reproduction
d) Gametogenesis
Answer: a) Alternation of generations
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