CBSE Class 11 Biology Plant Kingdom Worksheet Set A

Important Questions for NCERT Class 11 Biology Plant Kingdom

Question. Bryophytes are dependent on water, because
(a) water is essential for their vegetative propagation
(b) the sperms can easily reach upto egg in the archegonium
(c) archegonium has to remain filled with water for fertilization
(d) water is essential for fertilization for their homosporous nature.
Answer. B

Question. Bryophytes can be separated from algae, because they
(a) possess archegonia
(b) contain chloroplast
(c) are thalloid forms
(d) have no conducting tissue. 
Answer. A

Question. Elater mechanism for spore dispersal is exhibited by
(a) liverworts
(b) Marchantia
(c) Riccia
(d) Funaria. 
Answer. B

Question. The plant body of moss (Funaria) is
(a) completely sporophyte
(b) predominantly gametophyte with sporophyte
(c) completely gametophyte
(d) predominantly sporophyte with gametophyte.
Answer. B

Question. In bryophytes
(a) both generations are independent
(b) gametophytes are dependent upon sporophytes
(c) sporophytes complete their life cycle
(d) sporophytes are dependent upon gametophytes.
Answer. D

Question. Protonema occurs in the life cycle of
(a) Riccia
(b) Funaria
(c) Anthoceros
(d) Spirogya. 
Answer. B

Question. Bryophytes are amphibians because
(a) they require a layer of water for carrying out sexual reproduction
(b) they occur in damp places
(c) they are mostly aquatic
(d) all the above. 
Answer. A

Question. Moss peristome takes part in
(a) spore dispersal
(b) photosynthesis
(c) protection
(d) absorption. 
Answer. A

Question. Apophysis in the capsule of Funaria is
(a) lower part
(b) upper part
(c) middle part
(d) fertile part. 
Answer. A

Question. Strobili cones are found in
(a) Salvinia
(b) Pteris
(c) Marchantia
(d) Equisetum.
Answer. D

Question. In bryophytes and pteridophytes, transport of male gametes requires
(a) birds
(b) water
(c) wind
(d) insects. 
Answer. B

Question. Syngamy can occur outside the body of the organism in
(a) mosses
(b) algae
(c) ferns
(d) fungi.
Answer. B

Question. The plant body is thalloid in
(a) Sphagnum
(b) Salvinia
(c) Marchantia
(d) Funaria.
Answer. C

Question. Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be
(a) smaller but to have larger sex organs
(b) larger but to have smaller sex organs
(c) larger and to have larger sex organs
(d) smaller and to have smaller sex organs. 
Answer. D

Question. Archegoniophore is present in
(a) Marchantia
(b) Chara
(c) Adiantum
(d) Funaria. 
Answer.  A

Question. Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
(a) female gametophyte is free and gets dispersed like seeds
(b) female gametophyte lacks archegonia
(c) megaspores possess endosperm and embryo surrounded by seed coat
(d) embryo develops in female gametophyte which is retained on parent sporophyte.
Answer.  D

Question. Which one of the following is considered important in the development of seed habit?
(a) Heterospory
(b) Haplontic life cycle
(c) Free-living gametophyte
(d) Dependent sporophyte
Answer.  A

Question. Which one of the following is heterosporous?
(a) Adiantum
(b) Equisetum
(c) Dryopteris
(d) Salvinia
Answer. D

Question. In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result
(a) there is high degree of sterility
(b) one can conclude that the plant is apomictic
(c) self fertilization is prevented
(d) there is no change in success rate of fertilization.
Answer. C

Question. Plants reproducing by spores such as mosses and ferns are grouped under the general term
(a) cryptogams
(b) bryophytes
(c) sporophytes
(d) thallophytes.
Answer. A

Question. In ferns, meiosis takes place at the time of
(a) spore formation
(b) spore germination
(c) gamete formation
(d) antheridia and archegonia formation.
Answer. A

Question. Dichotomous branching is found in
(a) liverworts
(b) pteridophytes
(c) fern
(d) Funaria.
Answer. A

Question. The walking fern is so named because
(a) it propagates vegetatively by its leaf tips
(b) it knows how to walk by itself
(c) its spores are able to walk
(d) it is dispersed through the agency of walking animals.
Answer. A

Question. The various divisions of kingdom–Plantae are
(a) algae, pteridophytes, gymnosperms and angiosperms
(b) algae, bryophytes, pteridophytes,gymnosperms and angiosperms
(c) algae, bryophytes and pteridophytes
(d) algae, fungi, pteridophytes, gymnosperms and angiosperms
Answer.  B

Question. The basis of classification under the natural system of classification was
(a) Phytochemistry
(b) Anatomy
(c) Structural embryology
(d) All of the above
Answer. D

Question. …………… is discussed under phylogenetic system of classification.
(a) Evolutionary relationship of organism
(b) Cytotaxonomy
(c) Cytological information
(d) Structural embryology
Answer. A

Question. Match the following columns.
Column I                                                    Column II
(Classification system)                                (Given by)
A. Natural system of classification           1. Bentham and Hooker
B. Artificial system of classification          2. Linnaeus
C. Phylogenetic system of classification   3. Engler and Prantl
Codes
     A B C
(a) 2 1 3
(b) 3 1 2
(c) 2 3 1
(d) 1 2 3
Answer. D

Question. Select the incorrect pair.
(a) Numerical taxonomy — All observable characteristics
(b) Cytotaxonomy — Cytological information
(c) Chemotaxonomy — Chromosome number and structure
(d) Cladistic taxonomy — Origin from a common ancestor
Answer. C

Question. Algae are
(a) chlorophyll bearing autotrophs
(b) simple and thalloid
(c) Both (a) and (b)
(d) heterotroph
Answer. C

Question. Algae occur in/on
(a) fresh and marine water
(b) moist stones
(c) moist soil and wood
(d) All of these
Answer. D

Question. Match the following columns.
Column I                      Column II
(Algae)                       (Body structure)
A. Ulothrix                  1. Kelp
B. Volvox                    2. Filamentous
C. Chlamydomonas     3. Colonial form
D. Some giant            4. Unicellular
marine forms
Codes
     A B C D
(a) 1 2 3 4
(b) 3 4 1 2
(c) 4 1 2 3
(d) 2 3 4 1
Answer. D

Question. In algae, asexual reproduction occurs by the production of different types of spores. The most common type of spore is zoospore.
(a) True
(b) False
(c) Cannot say
(d) Partially true or false
Answer. A

Question. Match the following columns.
Column I                        Column II
(Reproduction type)    (Characteristics)
A. Isogamous                1. Fusion between male (small) and female
                                      (large) gametes
B. Anisogamous            2. Both gametes are dissimilar in size
C. Oogamous                3. Both gametes are similar in size and non-motile
Codes
    A B C 
(a) 3 2 1
(b) 1 2 3
(c) 2 1 3
(d) 3 1 2
Answer. A