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Plant Diversity (Algae, Bryophytes, Pteridophytes) — MCQs Biology

1. Which group of plants is called amphibians of the plant kingdom?

(A) Algae


(B) Gymnosperms


(C) Pteridophytes


(D) Bryophytes




2. The plant body of algae is known as:

(A) Protonema


(B) Cormus


(C) Thallus


(D) Rhizome




3. Which pigment is common to all algae?

(A) Chlorophyll b


(B) Chlorophyll a


(C) Carotene


(D) Xanthophyll




4. Bryophytes lack:

(A) Leaves


(B) Stem


(C) Rhizoids


(D) Roots




5. Rhizoids in bryophytes are meant for:

(A) Photosynthesis


(B) Anchorage


(C) Reproduction


(D) Conduction




6. Dominant generation in bryophytes is:

(A) Sporophyte


(B) Gametophyte


(C) Zygote


(D) Embryo




7. Which of the following is a green alga?

(A) Fucus


(B) Laminaria


(C) Spirogyra


(D) Polysiphonia




8. Brown color of brown algae is due to:

(A) Chlorophyll


(B) Carotene


(C) Xanthophyll


(D) Fucoxanthin




9. Red algae contain which pigment?

(A) Phycocyanin


(B) Phycoerythrin


(C) Chlorophyll b


(D) Fucoxanthin




10. Which structure bears sex organs in bryophytes?

(A) Capsule


(B) Gametophyte


(C) Sporangium


(D) Sporophyte




11. Which bryophyte is commonly known as liverwort?

(A) Marchantia


(B) Sphagnum


(C) Funaria


(D) Polytrichum




12. In bryophytes, sporophyte is dependent on:

(A) Soil


(B) Water


(C) Gametophyte


(D) Rhizoids




13. Pteridophytes possess which tissue absent in bryophytes?

(A) Meristem


(B) Cortex


(C) Vascular tissue


(D) Epidermis




14. Which is an example of pteridophyte?

(A) Moss


(B) Fern


(C) Alga


(D) Fungus




15. Dominant generation in pteridophytes is:

(A) Gametophyte


(B) Sporophyte


(C) Zygote


(D) Protonema




16. The leaves of ferns are called:

(A) Scales


(B) Fronds


(C) Phyllodes


(D) Needles




17. Sporangia in ferns are arranged in clusters called:

(A) Capsules


(B) Sori


(C) Cones


(D) Spikes




18. Which structure develops from spore in ferns?

(A) Sporophyte


(B) Prothallus


(C) Protonema


(D) Rhizoid




19. Prothallus is the:

(A) Sporophyte of fern


(B) Stem of fern


(C) Root of fern


(D) Gametophyte of fern




20. Which plant group shows true roots, stems, and leaves for the first time?

(A) Pteridophytes


(B) Bryophytes


(C) Algae


(D) Thallophytes




21. Algae reproduce asexually mainly by:

(A) Seeds


(B) Fragmentation


(C) Spores


(D) Budding




22. Which algae are mostly marine?

(A) Green algae


(B) Blue-green algae


(C) Brown algae


(D) Golden algae




23. Water is essential for fertilization in:

(A) Algae only


(B) Bryophytes and pteridophytes


(C) Pteridophytes only


(D) Bryophytes only




24. Which bryophyte is called peat moss?

(A) Funaria


(B) Sphagnum


(C) Marchantia


(D) Riccia




25. Which algae is unicellular?

(A) Chlamydomonas


(B) Spirogyra


(C) Ulva


(D) Laminaria




26. In algae, reserve food material is commonly:

(A) Starch


(B) Glycogen


(C) Cellulose


(D) Protein




27. Which of the following is a red alga?

(A) Spirogyra


(B) Ulva


(C) Polysiphonia


(D) Chara




28. Bryophytes are mostly found in:

(A) Dry habitats


(B) Aquatic habitats


(C) Moist shady places


(D) Deserts




29. Which generation produces spores?

(A) Sporophyte


(B) Gametophyte


(C) Prothallus


(D) Zygote




30. Capsule is part of:

(A) Algae


(B) Bryophyte sporophyte


(C) Fern gametophyte


(D) Root




31. Which tissue conducts water in pteridophytes?

(A) Phloem


(B) Cortex


(C) Xylem


(D) Epidermis




32. Which algae have silica in their cell walls?

(A) Diatoms


(B) Brown algae


(C) Red algae


(D) Green algae




33. Which plant group shows alternation of generations clearly?

(A) Pteridophytes


(B) Bryophytes


(C) Algae


(D) Fungi




34. Antheridia produce:

(A) Eggs


(B) Male gametes


(C) Spores


(D) Female gametes




35. Archegonia produce:

(A) Male gametes


(B) Spores


(C) Eggs


(D) Zygotes




36. Which of the following lacks vascular tissue?

(A) Fern


(B) Club moss


(C) Horsetail


(D) Moss




37. Which structure protects the sporangium in ferns?

(A) Capsule


(B) Sorus


(C) Indusium


(D) Operculum




38. Which plant group bridges algae and gymnosperms?

(A) Pteridophytes


(B) Angiosperms


(C) Bryophytes


(D) Thallophytes




39. Sex organs in bryophytes are multicellular and:

(A) Unprotected


(B) Reduced


(C) Naked


(D) Jacketed




40. Which alga is commonly called sea lettuce?

(A) Laminaria


(B) Fucus


(C) Ulva


(D) Spirogyra




41. Which group does not have true roots?

(A) Algae


(B) Both A and B


(C) Pteridophytes


(D) Bryophytes




42. Ferns reproduce by:

(A) Seeds


(B) Vegetative propagation only


(C) Budding


(D) Spores




43. Which structure absorbs water in bryophytes?

(A) Roots


(B) Leaves


(C) Rhizoids


(D) Stem




44. Which generation is independent in pteridophytes?

(A) Gametophyte


(B) Embryo


(C) Zygote


(D) Sporophyte




45. Which of the following is a club moss?

(A) Marchantia


(B) Lycopodium


(C) Funaria


(D) Ulva




46. Which plant group first evolved vascular tissue?

(A) Algae


(B) Pteridophytes


(C) Bryophytes


(D) Angiosperms




47. Which bryophyte has leafy gametophyte?

(A) Marchantia


(B) Riccia


(C) Alga


(D) Funaria




48. Sporophyte of bryophyte consists of:

(A) Root and stem


(B) Capsule only


(C) Frond and rhizome


(D) Foot, seta, and capsule




49. Which algae are considered plant-like protists?

(A) All algae


(B) Brown algae


(C) Red algae


(D) Green algae




50. Which plant group requires water for sexual reproduction?

(A) Angiosperms


(B) Both Bryophytes and Pteridophytes


(C) Bryophytes


(D) Gymnosperms




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