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    MCQ Class 11 Chapter 3

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    Ashok Kumar
    This document contains a biology assignment on the plant kingdom with 30 multiple choice questions. The questions cover topics like the classification of major plant groups (algae, bryophytes, pteridophytes, gymnosperms, angiosperms), their characteristics, examples, and economic importance. Key details assessed include the distinguishing features of algae, mosses, ferns, conifers and flowering plants; as well as industrially useful algae like those that produce algin, carrageenan and agar.

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    MCQ Class 11 Chapter 3

    Uploaded by

    Ashok Kumar
    284 views5 pages
    This document contains a biology assignment on the plant kingdom with 30 multiple choice questions. The questions cover topics like the classification of major plant groups (algae, bryophytes, pteridophytes, gymnosperms, angiosperms), their characteristics, examples, and economic importance. Key details assessed include the distinguishing features of algae, mosses, ferns, conifers and flowering plants; as well as industrially useful algae like those that produce algin, carrageenan and agar.

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    This document contains a biology assignment on the plant kingdom with 30 multiple choice questions. The questions cover topics like the classification of major plant groups (algae, bryophytes, pteridophytes, gymnosperms, angiosperms), their characteristics, examples, and economic importance. Key details assessed include the distinguishing features of algae, mosses, ferns, conifers and flowering plants; as well as industrially useful algae like those that produce algin, carrageenan and agar.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    284 views5 pages

    MCQ Class 11 Chapter 3

    Uploaded by

    Ashok Kumar
    This document contains a biology assignment on the plant kingdom with 30 multiple choice questions. The questions cover topics like the classification of major plant groups (algae, bryophytes, pteridophytes, gymnosperms, angiosperms), their characteristics, examples, and economic importance. Key details assessed include the distinguishing features of algae, mosses, ferns, conifers and flowering plants; as well as industrially useful algae like those that produce algin, carrageenan and agar.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 5

    ARMY PUBLIC SCHOOL GOPALPUR

    CLASS 11 SCIENCE SUBJECT - BIOLOGY


    SESSION-2020-2021
    SESSION

    CHAPTER 3 PLANT KINGDOM


    Assignment

    MCQ:-
    1. Blue-green
    green alga belongs to the group:

     a. Plantae.
     b. Animalia.
     c. Algae.
     d. Cyanobacteria.

    2. Plant kingdom comprises:

     a. Algae.
     b. Bryophytes and pteridophytes.
     c. Angiosperms and gymnosperms.
     d. All.
    3. “Artificial classification” by Linnaeus was not accurate because:

     a. It gave equal weightage to vegetative as well as the sexual mode of reproduction.


     b. It was primarily based upon superficial morphological character like color, shape, and
    number of leaves.
     c. It did not consider internal structure like anatomy, embryology, phytochemistry.
     d. All.
    4. Why vegetative mode of reproduction does not weigh equally to the sexual mode of
    reproduction.

     a. Vegetative propagation is common in i the plant kingdom.


     b. Vegetative reproduction is not so complicated, like sexual reproduction.
     c. Environmental factors easily alter vegetative characters.
     d. None.
    5. Classification of the flowering plant by Bentham and Hooker is:

     a. Natural classification.
     b. Artificial classification.
     c. None.
    6. Phylogenetic classification seeks:
     a. The similarity in sexual mode of reproduction.
     b. The similarity in the asexual mode of reproduction.
     c. Evolutionary relationship among organisms.
     d. None.
    7. The cytological classification relies on cytological information like:

     a. Chromosome number.
     b. Chromosome structure.
     c. Chromosome behavior.
     d. All.
    8. Chemotaxonomy uses to find the relationship in organisms:

     a. Chemical constituents.
     b. Reaction with chemical reagents.
     c. The affinity of plants towards some chemicals.
     d. None.
    9. Chlorophyll containing organelle of algae is:

     a. Chloroplast.
     b. Plastid.
     c. Thalloid.
     d. Chromoplast.
    10. An example of colonial algae is

     Chlorella
     Volvox
     Ulothrix
     Spirogyra

    11. Algae reproduce :

     a. By fragmentation.
     b. Asexually by zoospore formation.
     c. Sexually.
     d. None.
    12. Which among these is an alga?

     a. Volvox.
     b. Ulothrix.
     c. Spirogyra.
     d. All.
    13. The biggest carbon dioxide fixator on earth is?

     a. Plants other than alga.


     b. Algae.
     c. Cyanobacteria.
     d. None.
    14. Edible algae is:

     a. Laminaria.
     b. Porphyra.
     c. Sargassum.
     d. All.
    15. Hydrocolloid forming alga is:

     a. Algin (Brown alga).


     b. Carrageen (red alga).
     c. Sargassum.
     d.a and b.
    16. Chemical laboratories obtain agar from which alga:

     a. Algin (Brown alga).


     b. Carrageen (red alga).
     c. Sargassum.
     d. Gelidium.
    17. We classify alga based on :

     a. Colour.
     b. Type of spore formation.
     c. Morphology.
     d. All above..

    18. Bryophytes include:

     a. Liverworts.
     b. Mosses.
     c. Both a and b.
     d. Spirogyra.
    19. Amphibians of the plant kingdom are:

     a. Algae.
     b. Bryophytes.
     c. Pteridophytes.
     d. Gymnosperms.
    20. Following plants plays an important role in plant succession:

     a. Algae.
     b. Bryophytes.
     c. Pteridophytes.
     d. Gymnosperms.

    21. feature of Bryophytes among these are:

     a. Thalloid body with base.


     b. Lack of roots, stems, and leaves.
     c. Prominent haploid generation.
     d. All.
    22. Vascular tissues in plants (xylem and phloem) first appear in:

     a. Bryophytes.
     b. Pteridophytes.
     c. Gymnosperms.
     d. Angiosperms.
    23. feature of pteridophytes among these are:

     a. Prominent diploid generation (sporophyte).


     b. Roots, stems, and leaves.
     c. Prominent haploid generation.
     d. All.

    24. Examples of Pteridophytes are:

     a. Ferns.
     b. Selaginella.
     c. Equisetum.
     d. All.

    25. Meaning of gymnosperm is:

     a. Full seed.
     b. Naked seed.
     c. Hidden seed.
     d. Round seed.
    26. Gymnosperms among these are

     a. Conifer.
     b. Pinus.
     c. Cedar.
     d. All.
    27. Plant group that has mostly ornamental plants are:

     a. Pteridophytes.
     b. Gymnosperms.
     c. Angiosperms.
     d. None.
    28. Flowering plants belong to:

     a. Pteridophytes.
     b. Gymnosperms.
     c. Angiosperms.
     d. None.
    29. Prominent stage in angiosperm is:

     a. Independent sporophyte generation.


     b. Dependent gametophyte generation.
     c. Both.
     d. None.
    30. Which one of the following statements is wrong?

     (1) Algae increases the level of dissolved oxygen in the immediate environment

     (2) Algin is obtained from red algae and carrageenan from brown algae

     (3) Agar-agar is obtained from Gelidium and Gracilaria

     (4) Laminaria and Sargassum are used as food

    ************ ALL THE BEST *****************

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