We have compiled the NCERT MCQ Questions for Class 11 Biology Chapter 3 Plant Kingdom with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams. Refer to the Plant Kingdom Class 11 MCQs Questions with Answers here along with a detailed explanation.
Plant Kingdom Class 11 MCQs Questions with Answers
Question 1.
Lichens show
(a) Symbiosis
(b) Commensalism
(c) Parasitism
(d) Cooperation
Answer
Answer: (a) Symbiosis
Question 2.
In chlorophyta the mode of sexual reproduction is
(a) Isogamy
(b) Anisogamy
(c) Oogamy
(d) Isogamy, Anisogamy and oogamy
Answer
Answer: (d) Isogamy, Anisogamy and oogamy
Question 3.
The zygospore of Spirogyra produces-
(a) 2-zoospores
(b) 4-zoospores
(c) 2-4 zoospores
(d) None of these
Answer
Answer: (d) None of these
Question 4.
An evolutionary characteristic is found in selaginella:
(a) Presence of ligule
(b) Heterophilly habits
(c) Sporangia present in cone
(d) Heterospory
Answer
Answer: (d) Heterospory
Question 5.
By which type of leaf is found in selaginella
(a) Aligulate and microphyllous
(b) Ligulate and megaphyllous
(c) Ligulate and microphyllous
(d) Aligulate and megaphyllous
Answer
Answer: (c) Ligulate and microphyllous
Question 6.
Bioluminescence is a phenomenon associated with
(a) chrysophyta
(b) phaeophyta
(c) pyrrophyta
(d) chlorophyta
Answer
Answer: (c) pyrrophyta
Question 7.
No Zoospore formation has been observed in the Algal members belonging to:-
(a) Chlorophyceae
(b) Xanthophyceae
(c) Phaeophyceae
(d) Cyanophyceae
Answer
Answer: (d) Cyanophyceae
Question 8.
Irish moss, is a member of:
(a) True moss
(b) Lichen
(c) Algae
(d) Bryophyte
Answer
Answer: (c) Algae
Question 9.
Yeast is different from penicillium and Rhizopus in being
(a) Acellular
(b) Unicellular
(c) Having unseptate hyphae
(d) multicellular
Answer
Answer: (b) Unicellular
Question 10.
Cephaleuros, which causes “Red rust of tea” is a:
(a) Red Algae
(b) Brown Algae
(c) Dinoflagellate
(d) Green Algae
Answer
Answer: (d) Green Algae
Question 11.
Selaginella is a type of plant
(a) Oogamous and homosporous
(b) Oogamous and heterosporous
(c) Isogamous & heterosporous
(d) Isogamous & Homosporous
Answer
Answer: (b) Oogamous and heterosporous
Question 12.
By which plant seed habit originated:
(a) Moss
(b) Little Club moss
(c) Pinus
(d) Angiosperm
Answer
Answer: (b) Little Club moss
Question 13.
Algae which have food conducting tubes similar to phloem in vascular plants are
(a) Red algae
(b) Brown algae
(c) Blue green algae
(d) Green algae
Answer
Answer: (b) Brown algae
Question 14.
Female sex organ of algae is called:
(a) Carpel
(b) Oogonium
(c) Archegonia
(d) Oosphere
Answer
Answer: (b) Oogonium
Question 15.
Zygotic meiosis is characteristic of
(a) Procaryotes
(b) Thallophyta
(c) Bryophyta
(d) Spermatophyta
Answer
Answer: (b) Thallophyta
Question 16.
Mycorrhiza is an association between roots of higher plant and fungus. It is an example of
(a) Symbiosis
(b) Myremecophilly
(c) Helotism
(d) Parasitism
Answer
Answer: (a) Symbiosis
Question 17.
Cell wall of Spirogyra is-
(a) One layered
(b) Two layered
(c) Three layered
(d) Four layered
Answer
Answer: (b) Two layered
Question 18.
Spirogyra belongs to-
(a) volvocales
(b) conjugales
(c) ulotrichales
(d) siphonales
Answer
Answer: (b) conjugales
Question 19.
Spirogyra found in
(a) Stagnant fresh water
(b) Running salt water
(c) Stagnant salt water
(d) Running fresh water
Answer
Answer: (a) Stagnant fresh water
Question 20.
Common bread mould is:
(a) Yeast
(b) Mucor
(c) Bacteria
(d) Virus
Answer
Answer: (b) Mucor
Question 21.
Most common phycobiont in a lichen is
(a) Microcystis
(b) Trebouxia
(c) Ulothrix
(d) Spirogyra
Answer
Answer: (b) Trebouxia
Question 22.
Which of the following is essential for seed habit-
(a) Free gametophyte
(b) Dependent sporophyte
(c) Heterospory
(d) Haploid life cycle
Answer
Answer: (c) Heterospory
Question 23.
A prokaryotic autotrophic nitrogen fixing symbiont found in
(a) Pisum
(b) Alnus
(c) Cycas
(d) Cicer
Answer
Answer: (c) Cycas
Question 24.
Sexual reproduction in spirogyra is:
(a) Anisogamous
(b) Physiological anisogamous
(c) Isogamous
(d) Oogamous
Answer
Answer: (c) Isogamous
Question 25.
A prothallus is
(a) A structure in pteridophytes formed before the thallus develops
(b) A gametophyte free living structure formed in pteridophytes
(c) A sporophytic free living structure formed in pteridophytes
(d) A primitive structure formed after fertilization in pteridophytes
Answer
Answer: (b) A gametophyte free living structure formed in pteridophytes
Question 26.
Which of the following algae produces synzoospores:
(a) Chlamydomonas
(b) Polysiphonia
(c) Chlorella
(d) Vaucheria
Answer
Answer: (d) Vaucheria
Question 27.
Change in colour of algae according to depth in sea is called:
(a) Bohr’s effect
(b) Gaudikov’s effect
(c) Fogg’s effect
(d) Pasteur effect
Answer
Answer: (b) Gaudikov’s effect
Question 28.
Who is popularly known as the “Father of Phycology”
(a) Fritsch
(b) Papenfus
(c) Smith
(d) Morris
Answer
Answer: (a) Fritsch
Question 29.
Main plant body of the selaginella is :
(a) A gametophyte
(b) A sporophyte
(c) Half gametophyte
(d) Haploid phase
Answer
Answer: (b) A sporophyte
Question 30.
Sexual reproduction in Thallophyta takes place by:
(a) Isogamy
(b) Anisogamy
(c) Oogamy
(d) Any of the above
Answer
Answer: (d) Any of the above
Question 31.
The outer cell-wall of Spirogyra is made up of:
(a) Cellulose
(b) Pectin/Pectose
(c) Hemicellulose
(d) Protein
Answer
Answer: (b) Pectin/Pectose
Question 32.
Red algae is red due to the presence of:
(a) R-Phycocyanin
(b) R-Phycoerythrin
(c) C-Phycocyanin
(d) C-Phycoerythrin
Answer
Answer: (b) R-Phycoerythrin
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