MCQ of Plant Kingdom Class 11. We covered all the MCQ of Plant Kingdom Class 11 in this post for free so that you can practice well for the exam.
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MCQ on the Plant Kingdom for Students
Dictyota and Gracilaria are examples of
(A) Chlorophyceae and Phaeophyceae respectively
(B) Chlorophyceae
(C) Phaeophyceae and Rhodophyceae respectively
(D) Rhodophyceae
Option c – Phaeophyceae and Rhodophyceae respectively
In bryophytes, the female sex organ called archegonium produces ___________eggs.
(A) 1
(B) 2
(C) 3
(D) 4
Option a – 1
Read the following statements and select the correct option. Statement I: Gymnosperms are further divided into four classes Psilopsida, Lycopsida, Sphenopsida, and Pteropsida. Statement II: Equisetum is included under the class Lycopsida.
(A) Statement I is correct, and statement II is incorrect.
(B) Statement I is incorrect, and statement II is correct.
(C) Both statements I and II are correct.
(D) Both statements I and II are incorrect.
Option d – Both statements I and II are incorrect.
Identify the ODD one.
(A) Eucalyptus
(B) Ginkgo
(C) Cycas
(D) Pinus
Option a – Eucalyptus
Flagella is absent in which of the following algae?
(A) Red algae
(B) Brown algae
(C) Green algae
(D) Both (B) and (C)
Option a – Red algae
Assertion: The members of class Phaeophyceae are commonly called red algae. Reason: These algae show pre-dominance of the red pigment – fucoxanthin in their body.
(A) Both assertion and reason are true and the reason is the correct explanation of assertion.
(B) Both assertion and reason are true but the reason is not the correct explanation of assertion.
(C) Assertion is true but the reason is false
(D) Both assertion and reason are false.
Option d – Both assertion and reason are false.
Read the following statements and select the correct option. Statement I: Gymnosperms are heterosporous. Statement II: The plant’s Selaginella and Salvinia are homosporous.
(A) Statement I is correct, and statement II is incorrect.
(B) Statement I is incorrect, and statement II is correct.
(C) Both statements I and II are correct.
(D) Both statements I and II are incorrect.
Option a – Statement I is correct, and statement II is incorrect.
The primary endosperm nucleus develops into
(A) endosperm
(B) ovaries
(C) rhizoids
(D) flowers
Option a – endosperm
In gymnosperms, after fertilization, the ovules develop into
(A) seeds
(B) embryo
(C) sepal
(D) calyx
Option a – seeds
Flowers of dicotyledonous plants are
(A) trimerous
(B) tetramerous
(C) pentamerous
(D) either (B) or (C)
Option d – either (B) or (C)
Which of the following includes pteridophytes?
(A) Cycas, Pinus, Cedrus and Wolffia
(B) Pinus, Cedrus, Sequoia, and Equisetum
(C) Selaginella, Equisetum, Fern and Salvinia
(D) Cedrus, Pinus, Ulothrix, and Sequoia
Option c – Selaginella, Equisetum, Fern and Salvinia
Double fertilization occurs in
(A) thallophytes
(B) angiosperms
(C) gymnosperms
(D) pteridophytes
Option b – angiosperms
Carrageenan is obtained from
(A) brown algae
(B) red algae
(C) green algae
(D) both (A) and (C)
Option b – red algae
Which one of the following is a green alga?
(A) Spirogyra
(B) Fucus
(C) Ectocarpus
(D) Porphyra
Option a – Spirogyra
The synergids and antipodals haploid
(A) divide meiotically to form haploid gametes after fertilization.
(B) form plumule and radicle after fertilization
(C) degenerate after fertilization.
(D) degenerate even before fertilization occurs.
Option c – degenerate after fertilization.
Which of the following exhibit a haplo-diplontic life cycle?
(A) Angiosperms
(B) Gymnosperms
(C) Pteridophytes
(D) Thallophytes
Option c – Pteridophytes
Which of the following is INCORRECT regarding angiosperms?
(A) In angiosperms, microsporangium is a part of the embryo sac.
(B) They are divided into two classes dicotyledons and monocotyledons.
(C) These plants follow the diplontic pattern of the life cycle.
(D) In these plants the seeds are enclosed in fruits.
Option a – In angiosperms, microsporangium is a part of the embryo sac.
The female sex organ in a flower is
(A) stamen
(B) anther
(C) pistil
(D) filament
Option c – pistil
……. is a flagellated algae.
(A) Ulothrix
(B) Chlamydomonas
(C) Spirogyra
(D) both (A) and (B)
Option d – both (A) and (B)
Bryophytes include
(A) Ulothrix
(B) Chlamydomonas
(C) Sellaginella
(D) Polytrichum
Option d – Polytrichum
Identify the CORRECT statement.
(A) In gymnosperms, the seeds are covered by a single ovary wall.
(B) The stems of Cycas are branched and possess pinnate leaves.
(C) In Cycas, female and male cones are borne on the same tree.
(D) The cones bearing megasporophylls with ovules are called female strobili.
Option d – The cones bearing megasporophylls with ovules are called female strobili.
We covered all the MCQ of plant kingdom class 11 above in this post for free so that you can practice well for the exam.
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