Class 11 VBQs Biology Plant Kingdom

MCQs

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.

Question. Elaters are absent in
a. Funaria
b. Marchantia
c. Pellia
d. Porella

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

Question. Retort cells occurs in
a. Funaria
b. Pogonatum
c. Porella
d. Sphagnum

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

Question. Mosses occur in moist places because they
a. Cannot grow on land
b. Do not need sunlight for photo synthesis
c. Lack vascular tissue
d. Lack root and stomata

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

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

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

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

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

Question. Pteropsida includes:
a. Equisetum and psilotum
b. Lycopodium and Adiantum
c. Selaginella and pteris
d. Pteris and Adiantum

Question. In Selaginella, trabecular are the modification of:
a. Epidermal cells
b. Cortical cells
c. Endodermal cells
d. Pericycle cells

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Question. Which algae is chew as tobacco in Scotland?
a. Porphyra
b. Rodimenia palmata
c. Chlorella
d. Spirogyra

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

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

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

HOTS

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

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

Question. While entering the neck of a achegonium in fern, sperms show:
a. Phototaxis
b. Chemotaxis
c. Themotaxis
d. Cyclosis

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

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

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

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

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

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.

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.

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. Antheroizoids show chemotropic attraction towards malic acid.
d. After fusion of male and female gamete, diploid oospore is produced inside archegonia.

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