Please refer to Chapter 3 Plant Kingdom MCQ Class 11 Biology with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 11 Biology. Students should refer to MCQ Questions for Class 11 Biology with Answers to score more marks in Grade 11 Biology exams. Students should read the chapter The Plant Kingdom and then attempt the following objective questions.

MCQ Questions Class 11 Biology Chapter 3 Plant Kingdom

The Plant Kingdom MCQ Class 11 Biology provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question. Apomixis is a type of reproduction that results in the development of a/an
(a) New seed with fusion of gametes
(b) Endosperm from nucellus
(c) New seed without fusion of gametes
(d) Embryo from endosperm

Question. The statements given below describe certain features that are observed in the gynoecium of flowers.
i. Gynoecium may have many carpels.
ii. Each carpel may have more than one ovule.
iii. Each carpel has only one ovule.
iv. Gynoecium has only one carpel.
Choose the statements that are true from the option
(a) i and ii 
(b) i and iii
(c) ii and iv 
(d) iii and iv

Question. What is an eye of potato?
(a) Axillary bud 
(b) Accessory bud
(c) Adventitious bud 
(d) Apical bud

Question. In majority of the angiosperm, pollen is released in two-celled stage. The two cells are-
(a) The gamete and generative cell
(b) The vegetative cell and tube nucleus
(c) Two male gametes
(d) The vegetative cell and generative cell

Question. Geitonogamy can not occurs in –
(a) Dioecious plant
(b) Monoecious plant
(c) Both of above
(d) It occur in all the plants

Question. Statement –I: Pollen mother cells are the first male gametophytic cells .
Statements –II: Each Pollen mother cell gives rise to two pollens.
(a) Both statements are right
(b) Both statements are wrong
(c) Statement-I is right and Statement- II is wrong
(d) Statement-I is wrong and Statement- II is Right

Question. The equivalent of a thin cotyledon in monocots is-
(a) Scutellum 
(b) Prophyll
(c) Coleoptile 
(d) Coleorhiza

Question. What is the approximate diameter of pollen grains in nanometers?
(a) 0.00025 – 0.0005 
(b) 2500 – 5000
(c) 25 – 50 
(d) 25000 – 50000

Question. An angiosperm male plant having 24 chromosomes in its pollen mother cells is crossed with a female plant bearing 24 chromosomes in its root cells. The number of chromosomes in embryo and endosperm formed from this cross will most like be
(a) 24 & 48 
(b) 24 & 24
(c) 48 & 72 
(d) 24 & 36

Question. In Cannabis, pollination is carried out by
(a) Bats 
(b) Insects
(c) Birds 
(d) Wind

Question. Choose the incorrect statement in reference to the male reproductive organ of angiosperms.
(a) Sporogenous tissue of a young anther is composed of homogenous cells.
(b) A typical angiosperm flower has a bilobed and dithecous anther.
(c) The anther consist of four microsporangia.
(d) The tapetum helps in the dehiscence of the anther to release the pollen.

Question. In which of the following plant flowers are only invariably autogamous?
(a) Commelina 
(b) Viola
(c) Oxalis 
(d) None of above

Question. Select the incorrect matching from the following options.
(a) Vallisneria – Water – Hydrophily
(b) Adansonia – Bird – Ornithophily
(c) Salvia – Insect – Entomophily
(d) Maize –Air – Anemophily

Question. Which of the following events does not take place after the degeneration of the generative cell in pollen grain?
(a) Entry of pollen tube inside the embryo sac.
(b) Fertilization
(c) Only triple fusion but not syngamy
(d) Neither entry of pollen-tube inside the Embryo sac nor fertilization.

Question. In a maize cob, the silky hairs represent:
(a) Sepal
(b) Long style
(c) Involucre of bracts
(d) Hairs or pappus

Question. Mycorrhiza is an association between roots of higher plant and fungus. It is an example of
(a) Symbiosis
(b) Myremecophilly
(c) Helotism
(d) Parasitism

Question. Meiosis occurs in
(a) Conidia
(b) Meiocyte
(c) Megaspore
(d) Gemmule

Question. The transport of male gametes in bryophytes and pteridophytes occurs through
(a) Wind
(b) Water
(c) Birds
(d) Insects

Question. Female sex organ of algae is called:
(a) Carpel
(b) Oogonium
(c) Archegonia
(d) Oosphere

Question. Pick the mismatched pair
(a) Cycas – Dioecious
(b) Equisetum – Homosporous
(c) Salvinia – Heterosporous
(d) Pinus – Dioecious

Question. First plants to inhabit the land
(a) Angiosperms
(b) Bryophytes
(c) Gymnosperms
(d) Pteridophytes

Question. Which of the following is essential for seed habit-
(a) Free gametophyte
(b) Dependent sporophyte
(c) Heterospory
(d) Haploid life cycle

Question. Blue-green alga belongs to the group:
(a) Plantae.
(b) Animalia.
(c) Algae.
(d) Cyanobacteria.

Question. Why vegetative mode of reproduction does not weigh equally to the sexual mode of reproduction.
(a) Vegetative propagation is common in the plant kingdom.
(b) Vegetative reproduction is not so complicated, like sexual reproduction.
(c) Environmental factors easily alter vegetative characters.
(d) None.

Question. Chlorophyll containing organelle of algae is:
(a) Chloroplast.
(b) Plastid.
(c) Thalloid.
(d) Chromoplast.

Question. Which among these is an alga?
(a) Volvox.
(b) Ulothrix.
(c) Spirogyra.
(d) All.

Question. Chemical laboratories obtain agar from which alga:
(a) Algin (Brown alga).
(b) Carrageen (red alga).
(c) Sargassum.
(d) Gelidium.

Question. Following plants plays an important role in plant succession:
(a) Algae.
(b) Bryophytes.
(c) Pteridophytes.
(d) Gymnosperms.

Question. Vascular tissues in plants (xylem and phloem) first appear in:
(a) Bryophytes.
(b) Pteridophytes.
(c) Gymnosperms.
(d) Angiosperms.

Question. Gymnosperms among these are
(a) Conifer.
(b) Pinus.
(c) Cedar.
(d) All.

Question. Prominent stage in angiosperm is:
(a) Independent sporophyte generation.
(b) Dependent gametophyte generation.
(c) Both.
(d) None.

Question. Antheridia and Archegonia are sex organs of
(a) Moss
(b) Mucor
(c) Spirogyra
(d) Puccinia

Question. Pinus differs from mango in having
(a) Tree habit
(b) Green leaves
(c) Ovules not enclosed in ovary
(d) Wood

Question. Agar is obtained from
(a) Laminaria
(b) Porphyra
(c) Sargassum
(d) Gelidium

Question. All algae possess
(a) Chlorophyll (b) and carotenes
(b) Chlorophyll (a) and corotenes
(c) Chlorophyll (a) and chlorophyll (c)
(d) Chlorophyll (a) and chlorophyll (b)

Question. Pyrenoids are present in
(a) Brown algae
(b) Red algae
(c) Green algae
(d) Blue green algae.

Question. Seedless vascular plants are
(a) Mosses
(b) Liver worts
(c) Ferns
(d) Cycads.

Question. Life cyle of Pinus is
(a) Diplontic
(b) Haplontic
(c) Diplobiontic
(d) Diplohaplontic.

Question. The largest alga is
(a) Sargassum
(b) Laminaria
(c) Macrocystis
(d) Fucus

Question. Flagellate cells are absent in
(a) Brown algae
(b) Red algae
(c) Green algae
(d) Chlamydomonas.

Question. The colour of brown algae is due to
(a) Phycoerythrin
(b) Phycocyonin
(c) Fucoxanthin
(d) Carotenes

Question. Zygotic meiosis is characteristic of :-
(a) Procaryotes
(b) Thallophyta
(c) Bryophyta
(d) Spermatophyta

Question. Rhodophyceae is called red algae because of the pigment
(a) Fucoxanthin
(b) Phycoerythrin
(c) Carotenoids
(d) Chlorophyll

Question. Cephaleuros, which causes “Red rust of tea” is a:
(a) Red Algae
(b) Brown Algae
(c) Dinoflagellate
(d) Green Algae

Question. Which of the following is used to grow microbes?
(a) Laminaria
(b) Gelidium
(c) Chlorella
(d) Sargassum

Question. Gymnosperms produce neither flower nor fruit because they do not possess
(a) Embryo
(b) Ovary
(c) Ovule
(d) Seed

Question. ost common phycobiont in a lichen is :
(a) Microcystis
(b) Trebouxia
(c) Ulothrix
(d) Spirogyra

Question. Which plant kingdom can survive both on land and in the water?
(a) Tracheophyta
(b) Pteridophyta
(c) Thallophyta
(d) Bryophyta

Question. Which one is not an exception in angiosperms?
(a) Double fertilization
(b) Secondary growth
(c) Presence of vessels
(d) Autotrophic nutrition

Question. The plant group that posses largest ovule, largest gametes, and largest tree
(a) Angiosperms
(b) Gymnosperms
(c) Pteridophytes
(d) Bryophytes

Question. Which of the following completely lacks cell wall?
(a) Blue-green algae
(b) Saccharomyces
(c) Sea-fan
(d) Cyanobacteria

Question. Chromatophores participate in
(a) Photosynthesis
(b) Respiration
(c) growth
(d) Movement

Question. By which plant seed habit originated:
(a) Moss
(b) Little Club moss
(c) Pinus
(d) Angiosperm

Question. The gametophyte is not an independent, free-living generation in
(a) Pinus
(b) Polytrichum
(c) Adiantum
(d) Marchantia

Question. Cyanobacteria is referred to as blue green algae due to presence of
(a) Chlorophyll a
(b) Xanthophyll
(c) Chlorophyll b
(d) Phycocyanin

Question. ‘Ordines Anomali’ of Bentham & Hooker includes:
(a) Seed plant showing abnormal form of growth and development.
(b) Plant represented only in fossil state.
(c) Plants described in the literature, but which Bentham & Hooker did not see in original.
(d) A few orders which could not be placed satisfactorily in the classification.

Question. Tracheophyta consists of:
(a) Pteridophytes, gymnosperms and angiosperms
(b) Pteridophytes only
(c) Gymnosperms and angiosperms
(d) Bryophytes only

Question. Match the column:

I	II
A. Microspermae	1. Alismaceae
B. Epigynae	2. Liliaceae
C. Calycinae	3. Iridaceae
D. Apocarpae	4. Orchidaceae
E. Coronariae	5. Palmae

(a) A-2 B-3 C-4 D-5 E-1
(b) A-4 B-3 C-5 D-1 E-2
(c) A-3 B-4 C-5 D-1 E-2
(d) A-1 B-2 C-3 D-4 E-5

Question. Algae which forms motile colony is:
(a) Volvox
(b) Nostoc
(c) Spirogyra
(d) Chlamydomonas

Question. The cell wall of algae is chemically composed of:
(a) Hemicellulose, pectins, proteins
(b) Chitin
(c) Cellulose, galactans, Mannan
(d) Pectins, cellulose, proteinsAnswer C

Question. About 7% of total world production of iodine is obtained by which algae?
(a) Ulothrix
(b) Polysiphonia
(c) Spirogyra
(d) Laminaria

Question. Zygote of Spirogyra produces four haploid nuclei in which:
(a) One is functional
(b) Two are functional
(c) Three are functional
(d) All are functional

Question. A natural antibiotic is provided by:
(a) Chlorella
(b) Ulothrix
(c) Dictyota
(d) Chlamydomonas

Question. A group of plants which are autotrophs their sex organs are non-jacketed and whose zygotes secretes thick wall are called:
(a) Phycophytes
(b) Lichens
(c) Bryophytes
(d) Thallophytes

Question. Algae known for biological activity bioluminescence:
(a) Spirogyra
(b) Chlorella
(c) Cyclotella
(d) Noctiluca

Question. Phycology is the study of:
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Lichens

Question. Moss protonema can be differentiated from filamentous alga in:
(a) Long rhizoids
(b) Oblique septa
(c) Coenocytic nature
(d) Absence of chloroplasts

Question. ‘Nonflagellate’ gametes occur in:
(a) Ulothrix
(b) Funaria
(c) Spirogyra
(d) Selaginella

Question. During asexual reproduction, in most of brown algae, zoospores are produced which are:
(a) Elongated with no flagella
(b) Elongated with one flagella
(c) Pear-shaped with one flagella
(d) Pear-shaped with two flagella

Question. Such systems were …………. because they separated closely related species since they were based on few characteristics.

Question. Majority of the red algae are found on land with greater concentrations found in the warmer areas.

Question. Unlike bryophytes and pteridophytes, in gymnosperms the male and the female gametophytes have independent free-living existence.

Question. Certain marine brown and red algae produce large amounts of hydrocolloids (water holding substances) e.g. ……….. (of brown algae) and carrageen (of red algae) are used commercially.

Question. The dominant, photosynthetic phase in such plants is the …………… the gametophyte. This kind of life-cycle is termed as ………..

Question. At least a half of the total carbon-dioxide fixation on earth is carried out by algae through photosyntheses.

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