PLANT KINGDOM | Class 11 Biology MCQ Chapter 3 | Biology MCQ series #3 | NEET 2024 | CBSE

Class 11 Biology MCQ Chapter 3 

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PLANT KINGDOM

[1] Classification which is based only on morphological characters is called

(a) Artificial system

(b) Natural system

(c) Phylogenetic system

(d) Numerical taxonomy

Ans (a) Artificial system

[2] The natural system of classification for flowering plants was given by

(a) R.H. Whittaker

(b) Aristotle and G.J. Mendel

(c) George Bentham and J.D.Hooker

(d) Aristotle and George Bentham

Ans (c) George Bentham and J.D.Hooker

[3] Classification based on cytological information like chromosome number, structure and behaviour is called

(a) Numerical Taxonomy 

(b) Cytotaxonomy

(c) Chemotaxonomy

(d) Nuclear Taxonomy 

Ans (b) Cytotaxonomy

[4] Which one of the following is not a character of brown algae? 

(a) Presence of chlorophyll a and b

(b) It remains attached to substratum

(c) Presence of chlorophyll a and c

(d) Presence of fucoxanthin

Ans (a) Presence of chlorophyll a and b

[5] 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

Ans (d) Spirulina, Chlorella

[6] Pyrenoids are found in the chloroplast of 

(a) Algae

(b) Pteridophytes

(c) Gymnosperm

(d) Angiosperms

Ans (a) Algae

[7] Fusion of two motile gametes which are dissimilar in size is termed as 

(a) Oogamy

(b) Isogamy

(c) Anisogamy

(d) Zoogamy

Ans 

[8] In chlorophyceae and phaeophyceae, the type(s) of sexual reproduction is/are

(a) Isogamous

(b) Anisogamous

(c) Oogamous

(d) All of the above

Ans (d) All of the above

[9] Which of the following algae contains mannitol as reserve food material? (2021)

(a) Gracilaria

(b) Volvox

(c) Ulothrix

(d) Ectocarpus 

Ans (d) Ectocarpus

[10] The most common type of spore produced during asexual reproduction of algae is

(a) Aplanospore

(b) Endospore

(c) Zoospore

(d) Oospore

Ans (c) Zoospore

[11] Which of the following is used as a fuel and has a good capacity of water absorption? 

(a) Riccia

(b) Marchantia

(c) Sphagnum

(d) Funaria

Ans (c) Sphagnum

[12] In bryophytes, multicellular jacketed female sex organ is called 

(a) Antheridium

(b) Archegonium

(c) Protonema

(d) Prothallus

Ans (b) Archegonium

[13] Which type of life-cycle is shown by Kelps, Ectocarpus and Polysiphonia? 

(a) Haplontic

(b) Diplontic

(c) Haplo-diplontic

(d) Isomorphic

Ans (c) Haplo-diplontic

[14] Gemmae are present in: (2021)

(a) Pteriodophytes

(b) Some Gymnosperms

(c) Some Liverworts

(d) Mosses

Ans (c) Some Liverworts

[15] In liverworts, how many rows of leaf-like appendages are present on the stem-like structure? 

(a) 1

(b) 2

(c) 3

(d) 4

Ans (b) 2

[16] Bryophytes are called amphibians of the plant kingdom because

(a) Bryophytes can live in soil but are dependent on water for sexual reproduction.

(b) They usually occur in damp, humid and shaded area.

(c) They play an important role in plant succession on bare rocks and soil.

(d) All of the above.

Ans (a) Bryophytes can live in soil but are dependent on water for sexual reproduction.

[17] Bryophytes include

(a) Liverworts and ferns

(b) Mosses and ferns

(c) Mosses and liverworts 

(d) None of these

Ans (c) Mosses and liverworts

[18] Which of the following are heterosporous pteridophytes? 

(a) Selaginella and Salvinia 

(b) Marsilea and Azolla

(c) Salvia and Salvinia

(d) Both (a) and (b)

Ans (a) Selaginella and Salvinia

[19] Which of the following statement is correct? (2018)

(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

Ans (a) Ovules are not enclosed by ovary wall in

gymnosperms

[20] Strobili or cones are found in: (2020)

(a) Pteris

(b) Marchantia

(c) Equisetum

(d) Salvinia

Ans (c) Equisetum

[21] Pteridophytes are called vascular cryptogams because they are without seeds and flowers but having 

(a) Xylem

(b) Phloem

(c) Both (a) and (b)

(d) None of the above

Ans (c) Both (a) and (b)

[22] Which group of plants is used for medicinal purposes and as soil binders? 

(a) Bryophytes

(b) Lichens

(c) Pteridophytes

(d) Gymnosperms

Ans (c) Pteridophytes

[23] Gymnosperms are also called soft wood spermatophytes because they lack: 

(a) Cambium

(b) Phloem fibres

(c) thick-walled vessels 

(d) Xylem fibres

Ans (c) thick-walled vessels

[24] Gymnosperms differ from angiosperms in having 

(a) Vascular bundles

(b) Heterospory

(c) Seeds

(d) Ovules not enclosed in ovary

Ans (d) Ovules not enclosed in ovary

[25] In gymnosperms, the seeds are naked because they lack

(a) Integuments

(b) Pericarp

(c) Nuclellus

(d) Perianth

Ans (b) Pericarp

[26] The seed coat in both gymnosperms and angiosperms is

derived from: 

(a) Megaspore

(b) Microspore

(c) Integument of megasporangium or ovule

(d) Microsporangium

Ans (c) Integument of megasporangium or ovule

[27] The role of double fertilization in angiosperms is to produce

(a) Endosperm

(b) Integuments

(c) Cotyledons

(d) Endocarp

Ans (a) Endosperm

[28] Embryo sac represents: 

(a) Megaspore mother cell 

(b) Female gametophyte

(c) Megaspore

(d) Microsporangium

Ans (b) Female gametophyte

[29] Earth is dominated by angiosperms because of their

(a) Large number of seeds

(b) Domestication by humans

(c) Entomophily

(d) Adaptation to various habitats

Ans (d) Adaptation to various habitats

[30] Life cycle of gymnosperm is: 

(a) Haplontic

(b) Haplo-diplontic

(c) Diplontic

(d) Diplo-haplontic

Ans (c) Diplontic

👉 Which of the following algae produce Carrageen? (2021)

(a) Brown algae

(b) Red algae

(c) Blue-green algae

(d) Green algae 

Ans (b) Red algae

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