CBSE Questions for Class 11 Medical Biology Plant Kingdom Quiz 17 - MCQExams.com

"Carrageenan" is obtained from
  • Chondrus crispus
  • Laminaria
  • Gelidium
  • Macrocystis
Largest ovules and male gametes are found in:
  • Monocots
  • Dicots
  • Both 1 and 2
  • Gymnosperms
When a group of algal cells are imprisoned in fungal mycelium and whole of this group is then used for vegetative multiplication of a lichen, it is called as
  • Isidium
  • Soredium
  • Cephalodium
  • Helotism
Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?
  • Bacteria - Lysozyme
  • Plants cells - Cellulase
  • Alage - Methylase
  • Fungi - Chitinase
An alga which can be employed as food for human beings is
  • Ulothrix
  • Chlorella
  • Goniodoma
  • Polysiphonia
Agar-agar, a mucilaginous substance occurs in the cell walls of
  • Laminaria and Ascophyllum
  • Nostoc and Anabaena
  • Fucus and Rhodymenia
  • Gelidium and Gracilaria
Most of the photosynthesis (80%) which takes place on this earth is carried out by
  • Green plants on land
  • Algae present in fresh water
  • Algae present in ocean water
  • Both B and C
Examine the figure given below and select the right option giving all the four parts (a, b, c and d) correctly identified.
306785_c33d4e4d03a44b1caf3b4451da4ce09f.png
  • (a) - Archegoniophore, (b) - Female thallus, (c) - Gemmacup, (d) - Rhizoids
  • (a) - Archegoniophore, (b) - Female thallus, (c) - Bud, (d) - Foot
  • (a) - Seta, (b) - Sporophyte, (c) - Protonema, (d) - Rhizoids
  • (a) - Antheridiophore, (b) - Male thallus, (c) - Globule, (d) - Roots
Pyrenoids are made up of 
  • Core of starch surrounded by sheath of protein
  • Proteinaceous centre and starchy sheath
  • Core of protein surrounded by fatty sheath
  • Core of nucleic acid surrounded by protein sheath
Cycas and Adiantum resemble each other in 
  • Seeds
  • Motile sperms
  • Cambium
  • Vessels
Which of the following algae is being used in space research?
  • Chlorella
  • Cladophora
  • Hydrodictyon
  • Chlamydomonas
Mosses and ferns are found in moist and shady places because both 
  • Depend for their nutrition on microorganisms which can survive only at low temperature
  • Do not need sunlight for photosynthesis
  • Require presence of water for fertilisation
  • Cannot compete with sun-loving plants
Which of the following division of kingdom plantae and sub-kingdom cryptogamae can reproduce sexually by formation of gametes.
  • Thallophyta
  • Bryophyta
  • Pteridophyta
  • All of above
A thalloid red algae used for commercial production of agar-agar is
  • Gelidium
  • Cladophora
  • Chlorella
  • Corallina
Give examples of division pteridophyta.
  • Adiantum and Lycopodium
  • Marsilea and Selaginella
  • Adiantum and Selaginella
  • All of above
Which of the following is unlikely to grow next a sea coast?
  • Blue green algae
  • Green algae
  • Moss
  • None of the above
Alginic acid is a product of
  • Red algae
  • Green algae
  • Blue green algae
  • Brown algae
Study the following lists:
 List-I                                   List -II

(A) Anucleate                      (1) Spirogyra gamciangium   
(B) Uninucleate                   (2) Rhizopus chlamydospore 
(C) Multinucleate                 (3) Pteris neck canal cell 
(D) Binucleate                     (4) Vitis matured sieve element 
                                          (5) Akinite of Spirogyra
  • A- (IV), B- (I), C- (III), D- (II)
  • A- (I), B- (III), C- (II), D- (IV)
  • A- (IV), B- (I), C- (II), D- (III)
  • A- (I), B- (IV), C- (V), D- (II)
Zygotic meiosis occurs in _____.
  • Algae/Thallophytes
  • Gymnosperms
  • Angiosperms
  • Pteridophyta
Accessory photosynthetic pigments, phycoerythrin and phycocyanin, occur in
  • Red algae
  • Green algae
  • Brown algae
  • All the above
Sperm of Cycas is
  • Multiflagellated and very large
  • Small and biflagellated
  • Multiflagellated and small
  • Large and biflagellated
Which one of the following parts is different from other with reference to ploidy number in Cycas?
  • Nucellus
  • Endosperm
  • Seed coat
  • Perisperm
Study the following lists.
            List-I                                 List-II
(A) Agar-Agar                         (I) Saccharomyces
(B) Biofertilizers                     (II) Basidiomycotina
(C) Mushrooms                      (III) Red algae
(D) B-Vitamins                      (IV) Blue green algae
                                              (V) Vibrio
The correct match is
  • (A)- (V), (B)- (I), (C)- (IV), (D)- (II)
  • (A)- (IV), (B)- (II), (C)- (III), (D)- (V)
  • (A)- (II), (B)- (III), (C)- (V), (D)- (IV)
  • (A)- (III), (B)- (IV), (C)- (II), (D)- (I)
Diatomaceous earth is obtained from
  • Bacillariophyceae 
  • Xanthophyceae
  • Rhodophyceae
  • None of the above
Thermal algae survive at
  • Low temperature
  • Hot water of $${30}^{o} - {40}^{o}C$$
  • Hot spring at $${70}^{o}C$$
  • Frozen lakes and ocean
Match the columns I and II.
    Column I     Column II
$$(a)$$Pieris - Spermatozoids$$(i)$$Zooidogamy
$$(b)$$
Cycas - Male gametes$$(ii)$$Malic acid
$$(c)$$Funaria - Antherozoida$$(iii)$$Oogamy
$$(d)$$Spirogyra - Aplanogametes$$(iv)$$Sucrose
$$(v)$$Physiological anisogamy
  • $$(a) - (i), (b) - (v), (c) - (iv), (d) - (iii)$$
  • $$(a) - (iii), (b) - (ii), (c) - (iv), (d) - (v)$$
  • $$(a) - (ii), (b) - (v), (c) - (iv), (d) - (i)$$
  • $$(a) - (ii), (b) - (i), (c) - (iv), (d) - (v)$$
Algae attached to stone surfaces are called
  • Epiploic
  • Coenolithic
  • Epilithic
  • None of the above
Frog Spawn Alga is
  • Batrachospermum
  • Chlamydomonas
  • Fucus
  • Gelidium
Ancestors of land plants possessed
  • Arboreal habit
  • Heterotrichous habit
  • Thorny habit
  • Prostrate habit
Hydroids and leptoids were first found in
  • Liverworts
  • Hornworts
  • Mosses
  • All the above
Archegonium is absent in _____.
  • Bryophyta
  • Pteridophyta
  • Thallophyta
  • Gymnosperms
Photosynthetic pigment capable of absorbing green light is
  • Phycocyanin
  • Carotenoid
  • Phycoerythrin
  • Chlorophyll
Plant group in which every cell of gametangium can form gametes is ?
  • Thallophyta
  • Bryophyta
  • Pteridophyta
  • Gymnosperms
Match the plant parts with ploidy.
    Column IColumn II
$$(a)$$Sarcotesta of Cycas$$(i)$$Haploid
$$(b)$$Aposporous gametophores of Funaria$$(ii)$$Diploid
$$(c)$$Azygospore of Rhizopus$$(iii)$$Diploid
$$(d)$$Hypostomium Pteris$$(iv)$$Haploid
$$(v)$$Diploid
  • $$(a) - (v), (b) - (iii), (c) - (iv), (d) - (ii)$$
  • $$(a) - (i), (b) - (iv), (c) - (ii), (d) - (v)$$
  • $$(a) - (v), (b) - (i), (c) - (ii), (d) - (iii)$$
  • $$(a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)$$
Dominant gametophytic phase alternated by multicellular dependent sporophyte occurs in
  • Adiantum
  • Polytrichum
  • Chlamydomonas
  • Pinus
Identify the correct pair of characters with reference to Pteris. $$I$$. Neck canal cell is uninucleated $$II$$. Stem grows vertically in soil $$III$$. Apogamously produced sporophytes are haploids $$IV$$. Open dichotomous venation in leaflets.
  • $$II$$ and $$IV$$
  • $$III$$ and $$IV$$
  • $$I$$ and $$II$$
  • $$I$$ and $$III$$
Pseudopodium in Sphagnum is
  • Bulbous foot of sporogonium
  • Elongated branch tip bearing sporogonium
  • Narrow seta
  • Sterile tip of capsule
Characteristic of Cycas that resembles ferns is
  • Circinate ptyxis
  • Sori in microsporophyll
  • Uniflagellate male gamete
  • Both A and B
Mitospores of algae differentiate through _____.
  • Meiosis
  • Mitosis
  • Fusion of gametes
  • Fragmentation
Carpogonium occurs in
  • Batrachospermum
  • Spirogyra
  • Albugo
  • Oedogonium
Which is responsible for peat formation?
  • Riccia
  • Funaria
  • Sphagnum
  • Marchantia
Besides forming substrate for laboratory culture, agar is used in ________.
  • Dairy and food industries
  • Photography and lithography
  • Metal plating and metallurgy
  • All of the above
A plant having thallose plant body, developing embryo and reproducing by means of spores will be placed in
  • Algae
  • Fungi
  • Ferns
  • Liverworts
Archegoniophore occurs in
  • Chara
  • Funaria
  • Adiantum
  • Marchantia
Commercial product "Agar " which is used in " ice creams" and to grow microbes in the laboratory is extracted from
  • Laminaria and Ploysiphonia
  • Porphyra and Sargassum
  • Gelidium and Gracilaria
  • Marchantia and Polytrichum
State whether the following statements are true or false.
Heterospory refers to the production of two different kinds of spores, one of which gives rise to male gametophyte and the other-female gametophyte
  • True
  • False
Porphyra and Dictyota contain the following pigments respectively
  • Phycoerythrin and fucoxanthin
  • Xanthophyll and $$\gamma$$-phycoerythrin
  • Chlorophyll d and chlorophyll b
  • Fucoxanthin and phycoerythrin
Which of these produces carrageenan? 
  • Green algae
  • Blue green algae
  • Red algae
  • Brown algae
Which one is peat moss? 
  • Sphagnum
  • Funaria
  • Polytrichum
  • Cladonia
New systematics introduced by Sir Julian Huxley is also called
  • Phenetics
  • cladistics
  • biosystematics
  • numerical taxonomy
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