CBSE Class 11 Biology Plant Kingdom Worksheet Set C

Question: Volvox and Polysiphonia are members of algal class, A and B respectively. Which of the following statement is correct?
a) Cellulose and algin are cell wall components of members of A.
b) Floridean starch is stored material in B.
c) Chlorophyll a, c and fucoxanthin are the photosynthetic pigments found in class A.
d) Two unequal flagella are found in members of B.
Answer: b

Question: Elaters are absent in
a) Funaria
b) Marchantia
c) Pellia
d) Porella
Answer: a

Question: Largest moss is:
a) Pogonatum
b) Funaria
c) Dawsonia
d) Polytrichum
Answer: c

Question: Retort cells occurs in
a) Funaria
b) Pogonatum
c) Porella
d) Sphagnum
Answer: d

Question: In capsule of moss act as shock absorbers
a) Trabeculae
b) Peristone teeth
c) Seta
d) Annulus
Answer: a

Question: Mosses occur in moist places because they
a) Cannot grow on land
b) Do not need sunlight for photosynthesis
c) Lack vascular tissue
d) Lack root and stomata
Answer: c

Question: Which of the following propagates through leaf-tip?
a) Walking fern
b) Sprout-leaf plant
c) Marchantia
d) Moss
Answer: a

Question: Ancestors of land plants/bryophytes were
a) Bryophytes
b) Brown algae
c) Red algae
d) Green algae
Answer: d

Question: Spores are liberated only after decay and decomposition of thallus in:
a) Riccia
b) Anthoceros
c) Marchantia
d) Funaria
Answer: a

Question: Apophysis occurs in:
a) Mosses
b) Pteridium
c) Apocyanaceae
d) Marchantia
Answer: a

Question: Male gametophyte with least number of cells present in:
a) Pteris
b) Funaria
c) Lilium
d) Pinus
Answer: c

Question: Pteropsida includes:
a) Equisetum and Psilotum
b) Lycopodium and Adiantum
c) Selaginella and Pteris
d) Pteris and Adiantum
Answer: d

Question: In Selaginella, trabeculae are the modification of:
a) Epidermal cells
b) Cortical cells
c) Endodermal cells
d) Pericycle cells
Answer: c

Question: Indusium is found in:
a) Algae
b) Ferns
c) Moss
d) Cycas
Answer: b

Question: In the prothallus of vascular cryptogram, the antherozoids and eggs mature at different times. As a result,
a) There is no change in success rate of fertilisation
b) There is a high degree of sterility
c) One can conclude that the plant is apomictic
d) Self-fertilisation is prevented
Answer: d

Question: Leaf in young condition in fern is called:
a) Scale leaf
b) Sporophyll
c) Circinate ptyxis
d) None of these
Answer: c

Question: Dispersal of spores in ferns takes place through:
a) Annulus
b) Stomium
c) Both (a) & (b)
d) Indusium
Answer: c

Question: A drug for respiratory disorders is obtained from:
a) Ephedra
b) Eucalyptus
c) Cannabis
d) Saccharum
Answer: a

Question: Sperms of both Funaria and Pteris/Dryopteris were released together near the archegonia of Pteris/Dryopteris. Only its sperms enter the archegonia as:
a) Pteris/Dryopteris archegonia release chemical to attract its sperms
b) Funaria/Dryopteris sperms get killed by Pteris sperms
c) Funaria sperms are less mobile
d) Pteris/Dryopteris archegonia repel Funaria sperms
Answer: a

Question: Pyrenoids are the centres for formation of:
a) Starch
b) Enzymes
c) Fat
d) Proteins
Answer: a

Question: Annulus occurs in:
a) Mosses
b) Both mosses and ferns
c) Annual plants
d) Gymnosperms
Answer: b

Question: Which of the following is considered important in the development of Seed habit?
a) Dependent Sporophyte
b) Heterospory
c) Haplontic life cycle
d) Free-living gametophyte
Answer: b

Question: Prothallus is:
a) Gametophyte, dioecious, autotroph present in pteridophytes
b) Gametophyte, monoecious, autotroph found in bryophytes
c) Sporophyte, dioecious, hetorotroph found in bryophytes
d) Gametophyte, monoecious, autotroph present in pteridophytes
Answer: d

Question: Choose the wrong statement:
a) Gymnosperms lack vessels in their xylem.
b) Gymnosperms does not have albuminous cells and sieve cells in their phloem.
c) The first formed primary xylem elements are called protoxylem.
d) Gymnosperms have albuminous cells and sieve cells in their phloem.
Answer: b

Question: Gymnosperms are also called soft wood spermatophytes because they lack:
a) Cambium
b) Phloem fibres
c) Thick – walled tracheids
d) Xylem fibres
Answer: d

Question: Which is the source of Turpentine oil?
a) Gymnospermic wood
b) Angiospermic wood
c) Gymnospermic seed
d) Angiospermic seed
Answer: a

Question: Which of the following is / are grouped under phanerogams?
a) Angiosperms
b) Gymnosperms
c) Pteridophytes
d) Both (a) & (b)
Answer: d

Question: In Pinus/gymnosperms, the haploid structures are:
a) Megaspore, endosperm and embryo
b) Pollen grain, leaf and root
c) Megaspore, integument and root
d) Megaspore, pollen grain and endosperm
Answer: d

Question: A plant having seeds but lacking flowers and fruits belongs to:
a) Gymnosperms
b) Mosses
c) Ferns
d) Pteridophytes
Answer: a

Question: Winged pollen grains are found in:
a) Cycas
b) Pinus
c) Mango
d) Dryopteris
Answer: b

Question: The phylogenetic classification was put forth by:
a) Carolus Linnaeus
b) Aristotle
c) Adolf Engler and Karl Prantl
d) Theophrastus
Answer: c

Question: Evolutionary history of an organism is known as:
a) Phylogeny
b) Ancestry
c) Palaneotology
d) Ontogeny
Answer: a

Question: Cytotaxonomy is based on:
a) Chemical constituents
b) Morphological characters
c) Structure and behaviour of chromosomes
d) Both (a) and (b)
Answer: c

Question: Which of these is mismatched?
a) Bryon – liverworts
b) Kryptos – concealed
c) Gymno – naked
d) Phaneros – visible
Answer: a

Question: Trichoderma erythrium which gives colour to red sea is:
a) Green alga
b) Blue – Green alga
c) Red alga
d) Brown alga
Answer: c

Question: Non – motile, greatly thickened, asexual spore in Chlamydomonas is:
a) Carpospores
b) Aplanospores
c) Akinetes
d) Hypnospores
Answer: b

Question: Pyrenoids are made up of:
a) Core of starch surrounded by sheath of protein
b) Core of protein surrounded by fatty sheath
c) Proteinaceous centre and starchy sheath
d) Core of nuclei acid surrounded by protein sheath
Answer: a

Question: Spirogyral lateral conjugation takes place in:
a) Heterosporous species
b) Homosporous species
c) Heterothallic species
d) Homothallic species
Answer: d

Question: Which of the following is known as Pond Silk?
a) Spirogyra
b) Ulothrix
c) Nostoc
d) Anabaena
Answer: a

Question: Meiosis in Spirogyra, Ulothrix, Chlamydomonas and most of the algae / thallophyta is:
a) Sporic
b) Zygotic
c) Gametic
d) Unequal
Answer: b

Question: Which algae is chewed as tobacco in Scotland?
a) Porphyra
b) Rodimenia palmata
c) Chlorella
d) Spirogyra
Answer: b

Question: Consider the given statements.
A. Salvinia is heterosporous terrestrial algae.
B. The male and female gametophytes do not have an independent free-living existence in gymnosperms.
C. The life cycle of angiosperm is diplontic.
a) All are correct
b) Only B is correct
c) Only A is incorrect
d) A and C are correct
Answer: c

Question: Which statement cannot be related with Pinus seed dispersal?
a) It is liberated at three-celled stage by wind.
b) Wings are formed by ovuliferous scale epidermis.
c) Seed dispersal by anemochory.
d) Seeds are present on adaxial surface of ovuliferous scale.
Answer: a

Question: Ulothrix is:
a) Nonmotile colonial alga lacking reproductive stages
b) Filamentous alga with nonflagellated reproductive stages
c) Membranous alga producing zoospores
d) Filamentous alga with flagellated reproductive stages
Answer: d

Question: Incorrect statement is:
a) Rhizome is absent in Equisetum and present in potato.
b) Rhizophore is present in Ginkgo and absent in Selaginella.
c) Rhizoids are absent in Funaria and present in Pinus.
d) All of these.
Answer: d

Question: Which of the following algae are used by space travellers as food supplements?
a) Gracilaria, Gelidium
b) Volvox, Ulothrix
c) Spirogyra, Kelps
d) Spirulina, Chlorella
Answer: d

Question: Movement of water in transfusion tissue of Cycas leaflet is:
a) Lateral
b) To upper side
c) To lower side
d) To acropetal
Answer: c

Question: While entering the neck of an archegonium in fern, sperms show:
a) Phototaxis
b) Chemotaxis
c) Thermotaxis
d) Cyclosis
Answer: b

Question: In Funaria, annulus separates:
a) Apophysis and theca
b) Theca and operculum
c) Columella and apophysis
d) Operculum and apophysis
Answer: b

Question: Ulothrix releases zoospore during:
a) Evening
b) Morning
c) Night
d) Noon
Answer: b

Question: 200 million years ago, the dominant flora of the earth was of:
a) Archaebacteria
b) Mosses and ferns
c) Gymnosperms
d) Angiosperms
Answer: c

Question: The opening mechanism of sporangium in Dryopteris is effectively operated by:
a) Annulus only
b) Stomium only
c) Annulus and Stomium both
d) Apical opening
Answer: b

Question: Which is Mermaid’s tresses?
a) Nostoc
b) Ulothrix
c) Anabaena
d) Spirogyra
Answer: d

Question: Choose the true statement:
a) A is sporophyte and is independent
b) A is sporophyte and is dependent on B, which is gametophyte
c) B is sporophyte and is independent
d) B is sporophyte and is dependent on A for food, which is gametophyte
Answer: b

Question: Which statement is not applicable to fertilization in Dryopteris?
a) Antherozoids are multi-flagellated and spirally coiled.
b) At maturity, neck canal cell and ventral canal cells are degenerated forming malic acid.
c) Antherozoids show chemotropic attraction towards malic acid.
d) After fusion of male and female gamete, diploid oospore is produced inside archegonia.
Answer: c

Question: Match the columns and find out the correct combination:
A. Chlorophyll a and d         1. Gracilaria
B. Chlorophyll a and c         2. Dictyota
C. Chlorophyll a and b         3. Polysiphonia
D. Phycoerythrin                 4. Ulothrix
a. A-1 B-4 C-2 D-3
b. A-1 B-3 C-2 D-4
c. A-3 B-2 C-4 D-1
d. A-2 B-3 C-4 D-1
Answer: c

Question: Match the columns and find out the correct combination:
A. Homosporous          1. Plants producing are one type of spores
B. Heterosporous         2. Plants producing are two types of spores
C. Protandrous            3. Male reproductive organ mature before the female
D. Protogynous            4. Female reproductive organ mature before the male reproductive organ
a. A-1 B-2 C-4 D-3
b. A-1 B-2 C-3 D-4
c. A-3 B-4 C-2 D-1
d. A-2 B-1 C-4 D-3
Answer: b