CBSE Class 11 Biology Plant Kingdom MCQs Set 03

Question: In Pinus, the third tier of embryonal cells from below is known as
a) rosette tier
b) suspensor tier
c) embryonal tier
d) free-nuclear tier
Answer: a

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

Question: Which among the following is a rootless plant?
a) Nymphaea
b) Sagittaria
c) Ceratophyllum
d) Vallisneria
Answer: c

Question: Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms.
a) Perianth and two integuments
b) Embryo development and apical meristem
c) Absence of resin duct and leaf venation
d) Presence of vessel elements and absence of archegonia
Answer: d

Question: The heart shaped fern prothallus is
a) gametophyte
b) sporophyte
c) saprophyte
d) gamete
Answer: a 

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

Question: Algae are useful because they
a) purify the atmosphere
b) are large in number
c) are used in fermentation
d) are used to study respiration
Answer: a

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: In Ulothrix, meiosis takes place in
a) cells of the filament
b) holdfast
c) zygote
d) zoospores
Answer: c

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

Question: The plant group that produces spores and embryo but lacks vascular tissues and seeds is
a) Pteridophyta
b) Rhodophyta
c) Bryophyta
d) Phaeophyta
Answer: c

Question: Which of the following statements is correct?
a) Ovules are not enclosed by ovary wall in gymnosperms.
b) Selaginella is heterosporous, while Salvinia is homosporous.
c) Horsetails are gymnosperms.
d) Stems are usually unbranched in both Cycas and Cedrus.
Answer: a

Question: Plants of which one of the following groups of genera are pollinated by the same agency?
a) Triticum, Cocos, Mangifera
b) Ficus, Kigelia, Casuarina
c) Salvia, Morus, Euphorbia
d) Bombax, Butea, Bauhinia
Answer: c

Question: Select the correct statement.
a) Sequoia is one of the tallest trees.
b) The leaves of gymnosperms are not well adapted to extremes of climate.
c) Gymnosperms are both homosporous and heterosporous.
d) Salvinia, Ginkgo and Pinus all are gymnosperms.
Answer: a

Question: In a moss, the sporophyte
a) manufactures food for itself, as well as for thegametophyte
b) is partially parasitic on the gametophyte
c) produces gametes that give rise to the gametophyte
d) arises from a spore produced from the gametophyte.
Answer: b

Question: Which of the following plant kingdom is called ‘amphibians’?
a) Pteridophyta
b) Thallophyta
c) Tracheophyta
d) Bryophyta
Answer: d

Question: In which one of the following male and female gametophytes do not have free living independent existence?
a) Polytrichum
b) Cedrus
c) Pteris
d) Funaria
Answer: b

Question: Choose the option with the correct labels for the digram given below:

a) A- Megaspore dyad B- Nucellus
b) A- Megaspore tetrad B- Nucellus
c) A- Megaspore tetrad B- Integument
d) A- Megaspore dyad B- Integument
Answer: a