Objective Questions

Question. Mosses are of great ecological importance because of
(a) Its contribution to prevent soil erosion
(b) Its contribution in ecological succession
(c) Both
(d) Its capability to remove OC from atmosphere

Question. Bryophytes are not characterised by
(a) Well-developed root system and vascular tissue
(b) Rhizoids
(c) Alterations of generation
(d) Presence of chlorophyll

Question. Gemmae are multicellular green structures for vegetative propagation. These are found in gemma cup in
(a) Riccia thallus
(b) Marchantia thallus
(c) Funaria protonema
(d) Fern prothallus

Question. Funaria requires water because
(a) Fertilisation occurs in water only
(b) Funaria is a hydrophyte
(c) Plants dry up and die without water
(d) No branching and sex organ develop without water

Question. Which of the following is correct about marchantia?
(a) Plant body is monoecious or dioecious
(b) Sporophyte is differentiated in foot, seta and capsule
(c) Spore germination to produce thallus
(d) All

Question. Asexual reproduction in liverworts take place by
(a) Fragmentation of thalli + gemmae formation
(b) Gemmae formation + diploid spores information
(c) Spores formation + isogamy
(d) Fragmentation + zoospores formation

Question. Protonema
(a) Is a stage of gametophytic generation
(b) Is a creeping, green, branched stages and develops directly from a spore
(c) Produces lateral bud which forms leafy plant body
(d) All

Question. The sporophyte in mosses is
(a) Less elaborate than that in liverworts
(b) More elaborate than that in liverworts
(c) Equally elaborate than that in liverworts
(d) Independent of Gametophyte

Question. In bryophyta meiosis occurs in
(a) Spores
(b) Gamete mother cell
(c) Gametes
(d) Sporophyte

Question. Place the following groups of plants in order, beginning with those that first appeared on the earth and progressing towards those that appeared most recently in the time
(a) Gymnosperms, angiosperms, ferns, moss, algae
(b) Algae, moss, ferns, gymnosperm, angiosperm
(c) Moss, algae, ferns, angiosperm, gymnosperm
(d) Algae, ferns, angiosperm, gymnosperm, moss

Question. The embryonic development in bryophyta takes place in the
(a) Protonema
(b) Sporangium
(c) Antheridium
(d) Archaegonium

Question. Horse tails and ferns are
(a) Bryophytes
(b) Pteridophytes
(c) Gymnosperms
(d) Hornworts

Question. Which one of the following is considered first terrestrial plants to be evolved having xylem and phloem?
(a) Bryophyte
(b) Gymnosperms
(c) Pteridophytes
(d) Angiosperms

Question. The pteridophytes are mostly
(a) Heterosporous
(b) Homosporous
(c) Aquatic
(d) Trees

Question. Choose the correct option
(a) Selaginella has small leaves
(b) Selaginella has large leaves
(c) Ferns have megaphylls
(d) Both (a) and (c)

Question. In brown algae the gametes are
(a) Only isogametes
(b) Only coenoplanogametes
(c) Only multiflagellate gamete
(d) Pyriform gametes having unequal 2 laterally attached flagella

Question. Which of the following is correct?
(a) In brown algae as well red algae vegetative reproduction takes place by fragmentation
(b) In red algae algal predominant pigment is r-phycoerythrin
(c) Reserve food, floridean starch in red algae is very similar to amylopectin and glycogen in structure
(d) All are correct

Question. Which of the following statements does not characterise the red algae?
(a) Floridean starch
(b) Both spores and gametes are non-motile
(c) Post fertilisation development is like other algae
(d) Red algae can vary their ratio of photosynthetic pigments depending upon light conditions

Question. Which of the following is correct?
A. Green algae occur in fresh water, brackish water, salt water
B. Habitat brown algae-fresh water, salt water
C. Some of red algae are found in fresh water, mostly occur in salt water some are in brackish water
D. Most of the red algae are multicellular
E. Red algae may occur in both well lighted regions close to water surface and also at great depths in oceans light penetration is little
F. Cell wall of red algae consists of cellulose+ polysulphate esters
G. 2-8 equal and apical flagella in green algae
Options :
(a) All are correct
(b) All are false
(c) A and F are correct
(d) B,C and D are correct

Question. Bryophytes mainly grow
(a) In dry areas
(b) In snow
(c) In moist shaded areas in hills,damp, humid, shaded localites
(d) In water

Question. Plant body of bryophytes is
(a) Less differentiated than that of algae
(b) Equally differentiated to that of algae
(c) More differentiated to that of algae
(d) Is not differentiated at all

Question. The plant body of bryophytes are gametophyte, haploid and thallus like having
(a) Root, stem, leaf
(b) No true root, No true stem, No true leaf
(c) Xylem, phloem
(d) Wood

Question. Choose the correct option
(a) In bryophytes sexual reproduction is oogamous type
(b) Sex organ are unicellular in algae and fungi but multicellular in bryophytes to angiosperm
(c) Archegonium is flask shaped
(d) All

Question. Gametophyte generation is dominant in
(a) Gymnosperms
(b) Bryophyte
(c) Pteridophyte
(d) Angiosperms

Question. Sphagnum is used as a packing material for transportation of living materials because of its
(a) Acidic nature as it does not undergo decay
(b) Creeping capacity
(c) Water holding capacity
(d) Both (a) and (c)

Question. Algae are mostly
(a) Aquatic
(b) Terrestrial
(c) Parasite
(d) Lithophytes

Question. Select the correct options about algae
(a) Some algae are associated with fungi and animals
(b) Great range in form and size
(c) Reproduce by vegetative, asexual and sexual method
(d) All

Question. The flagellate/motile spore is
(a) Aplanaspore
(b) Zoospore
(c) Hypospore
(d) Chlamydomonas

Question. Chlamydomonas show
(a) Isogamy
(b) Anisogamy
(c) Both
(d) Akinetes formation

Question. Flagellate isogametes as well as flagellate anisogametes are produced by
(a) Spirogyra
(b) Fucus
(c) Angiosperms
(d) Chlamydomonas

Question. Atleast half of the total CO₂ fixation on earth is carried through photosynthesis by
(a) Angiosperms
(b) Lycopods
(c) Algae
(d) Bryophytes

Question. Choose the correct statement
(a) Many species of Porphyra, Laminaria, Sargassum are among 70 species of marine algae used as food
(b) Agar is used to grow microbes and in preparations of ice creams and jellies
(c) Algae are useful to man in a variety of ways
(d) All

Question. The plant body of green algae may be
(a) Unicellular
(b) Colonial
(c) Filamentous
(d) All

Question. In green algae we meet which type of chloroplasts
(a) Spiral and reticulate
(b) Plate like and cup shaped
(c) Discoid
(d) All

Question. Pyrenoids contains
(a) Polysaccharide + lipid
(b) Starch + lipid
(c) Protein + starch
(d) Starch + glycogen

Question. Green algae have cell wall made up of
(a) Outer layer of pectose and inner layer of cellulose
(b) Inner layer of pectose and outer layer of cell wall
(c) Cellulose + algin
(d) Cellulose + pepdogylcan

Question. Chlamydomonas, Volvox, Ulothrix, Spirogyra, and Chara belong to
(a) Phaeophyceae
(b) Rhodophyceae
(c) Chlorophyceae
(d) Cyanophyceae

Question. The members of phaeophyceae or brown algae is found primarily in
(a) Fresh water
(b) Marine habitat
(c) Terrestrial habitat
(d) On rock

Question. Lamanaria, Ectocarpus, Dictyota, Sargassum and Fucus are example of
(a) Red algae
(b) BGA
(c) Brown algae
(d) Green algae

Question. Usually plant body of brown algae consists of
(a) Holdfast
(b) Stipe
(c) Frond
(d) All

Assertion/Reason Type Questions

In the following questions, a statement of Assertion is followed by a statement of Reason.
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

Question. Assertion: Double fertilization is a characteristic feature of angiosperms.
Reason: Double fertilization involves two fusions.

Question. Assertion: Mosses are evolved from algae.
Reason: Protonema of mosses is similar to some green algae.

Question. Assertion: Coconut tree is distributed in coastal areas over a large part of the world.
Reason: Coconut fruit can float and get dispersed over thousands of kilometers before losing viability.

Question. Assertion: The peristome is a fringe of teeth-like projections found at the mouth of the capsule.
Reason: It may be of two types nematodontous and orthodontus.

NCERT Exemplar Problems

Question. Cyanobacteria are classified under:
a. Protista
b. Plantae
c. Monera
d. Algae

Question. Holdfast, stipe and frond constitutes the plant body in case of:
a. Rhodophyceae
b. Chlorophyceae
c. Phaeophyceae
d. All of these

Question. A prothallus is:
a. A structure in pteridophytes formed before the thallus develops
b. A sporophytic free living structure formed in pteridophytes
c. A gametophyte free living structure formed in pteridophytes
d. A primitive structure formed after fertilisation in pteridophytes.

Question. The embryo sac of an angiosperm is made up of:
a. 8 cells
b. 7 cells and 8 nuclei
c. 8 nuclei
d. 7 cells and 7 nuclei

Question. Protonema is:
a. Haploid and is found in mosses
b. Diploid and is found in liverworts
c. Diploid and is found in pteridophytes
d. Haploid and is found in pteridophytes

Past Year Questions

Question. Read the following statements (A-E) and answer the question which follows them:
A. In liverworts, mosses, and ferns gametophytes are free-living.
B. Gymnosperms and some ferns are heterosporous.
C. Sexual reproduction in Fucus, Volvox and Albugo is oogamous.
D. The sporophyte in liverworts is more elaborate than that in mosses.
E. Both, Pinus and Marchantia are dioecious.
How many of the above statements are correct?
a. Four
b. One
c. Two
d. Three

Question. Consider the following four statements whether they are correct or wrong?
A. The sporophyte in liverworts is more elaborate than that in mosses.
B. Salvinia is heterosporous.
C. The life-cycle in all seed bearing plants is diplontic
D. In Pinus male and female cones are borne on different trees.
The two wrong statements together are
a. Statements (B) and (C)
b. Statements (A) and (B)
c. Statements (A) and (C)
d. Statements (A) and (D)

Question. Examine the figure A, B, C and D. In which one of the options all the items are correct?

Question. Gametophytes does not have free independent existence in:
a. Funaria
b. Polytrichum
c. Cedrus
d. Dryopteris

Question. Which set contains flagellated male gametes:
a. Spirogyra, Anthoceros and Funaria
b. Zygnerma, saprolagnia and Hydrilla
c. Fucus, Marsilea and Calotropis
d. Riccia, Dryopteris and Cycas

Question. Top-shaped multiciliate male gamete and seeds with two cotyledons occur in:
a. Cycads
b. Conifers
c. Polypetalous angiosperms
d. Gamopetalous angiosperms