Plant Kingdom live session - 1st JulyContact Number: 9667591930 / 8527521718Plant Kingdom live session - 1st JulyContact Number: 9667591930 / 8527521718Identify the mismatched pair with respect to algae.
(1) Volvox - Non-motile female gamete
(2) Chlamydomonas - Unicellular algae
(3) Fucus - Floridean starch
(4) Sargassum - Biflagellate zoospore
In all of the following algae, food is stored as mannitol and laminarin except
(1) 
(2) 
(3) 
(4) 
How many among the following are members of Rhodophyceae and Phaeophyceae respectively?
Dictyota, Gelidium, Polysiphonia, Corallina, Sargassum, Ectocarpus, Porphyra
(1) 5, 2
(2) 3, 4
(3) 4, 2
(4) 4, 3
Majority of the red algae are marine and reach the maximum depth in sea water where no other type of photosynthetic organism grow. Red colour of these algae is due to the abundance of
(1) Chlorophyll a
(2) Chlorophyll b
(3) Fucoxanthin
(4) Phycoerythrin
Identify the statements as True (T) and False (F) with respect to Spirogyra.
A. Pyrenoids contain protein and oil droplets.
B. A rigid cell wall made up of an inner layer of cellulose and an outer layer of algin.
C. Flagellated zoospores produced inside the zoosporangium.
D. A resting thick-walled zygospore undergoes meiosis.
(1) A – F, B – F, C – T, D – T
(2) A – F, B – F, C – F, D – T
(3) A – F, B – T, C – F, D – F
(4) A – F, B – T, C – T, D – F
Mark the odd one with respect to the algae used as food.
(1) Sargassum
(2) Laminaria
(3) Porphyra
(4) Gracilaria
Given below is a diagram of Funaria with labelled structures A, B, C, D and E.
Select the correct option which includes the structures having ploidy level similar to zygote.
(1) C, D, E
(2) A, B, C
(3) B, C, D
(4) Only A and B
(i) Spores germinate to produce __A__ in liver worts.
(ii) __B__ form dense mats on the soil.
(1) A - Sporophyte, B - Marchantia
(2) A - Gametophyte, B - Lichen
(3) A - Sporophyte, B - Liverworts
(4) A - Gametophyte, B - Moss
Which of the following is correct for two stages in the life cycle of moss?
Protonema Leafy stage
(1) Bear sex organ Creeping and green stage
(2) Directly develop from spore Develop from secondary protonema as a lateral bud
(3) Consist upright slender axis Attached to soil by rhizoids
(4) Branched, green and filamentous Undergoes budding
The common character of moss and liverwort is
(1) Unicellular rhizoids
(2) Plant body is dorsiventral
(3) Capsule possesses elaters
(4) Sporic meiosis
Selaginella, Dryopteris, Equisetum, Adiantum, Lycopodium, Pteris belong to how many classes of pteridophytes?
(1) One
(2) Two
(3) Three
(4) Four
The prothallus of pteridophytes is/has
A. Vascular tissue
B. Free living
C. Multicellular
D. Dominant phase
E. Developed from zygote
(1) Only A, B and C
(2) Only B and C
(3) Only B, C and D
(4) Only C, D and E
Select the correct statements with respect to pteridophytes
(1) The dominant phase in the life cycle is gametophytes
(2) Most of the members are homosporous
(3) The gametophyte require cool, damp and shady places
(4) More than one option is correct
Gametophyte is dioecious in
(1) Salvinia
(2) Pteris
(3) Adiantum
(4) Dryopteris
Which of the following is incorrect with respect to given gymnosperm.
Features Cycas Pinus
(1) Leaves Pinnately compound Needle-like
(2) Stem Branched Unbranched
(3) Root Coralloid Mycorrhiza
(4) Male and female reproductive Borne on different plant Bone on same plant
bodies
In gymnosperm, if root cell contain 36 chromosome then select the correct option for the chromosome number of given structures
(1) Megasporophyll -18
(2) Endosperm-54
(3) Pollen-18
(4) Embryo-18
Match the following Columns
Column I Column II
a. Haplontic life cycle (i) Volvox
b. Diplontic life cycle (ii) Polysiphonia
c. Haplo-diplontic life cycle (iii) Fucus
(iv) Chlamydomonas
(1) a(i), b(ii), c(iii, iv)
(2) a(i, iv), b(iii), c(ii)
(3) a(i), b(iii), c(ii, iv)
(4) a(iv), b(iii), c(i, ii)
100 zygospores, alternate with empty cells in Spirogyra are under ______ conjugation and the total number of daughter filaments formed will be ______
(1) Scalariform, 400
(2) Lateral, 100
(3) Lateral, 400
(4) Scalariform, 100
Algin is a phycocolloid, obtained from the cell wall of
(1) Macrocystis and Porphyridium
(2) Mastigocladus and Laminaria
(3) Microcystis and Nereocystis
(4) Macrocystis and Fucus
Non-motile gametes are characteristically found in
(1) Cyanophyta
(2) Rhodophyta
(3) Phaeophyta
(4) Chlorophyta
Bryophytes are not characterised by
(1) Sporophyte parasitic over gametophyte
(2) Independent gametophyte
(3) Absence of vascular tissues
(4) Independent sporophyte
In Funaria, 20 chromosomes are present in rhizoids, then the number of chromosome in calyptra, theca and foot will be
(1) 20, 40, 40 respectively
(2) 40, 20, 20 respectively
(3) 20, 40, 20 respectively
(4) 40, 10, 20 respectively
Identify the plants A and B in the figures given below
(1) A - Female Marchantia, B - Sphagnum
(2) A - Riccia, B - Marchantia
(3) A - Marchantia, B - Funaria
(4) A - Male Marchantia, B - Sphagnum
In Pteridophytes, reduction division occurs when
(1) Prothallus is formed
(2) Sex organs are formed
(3) Spores are formed
(4) Gametes are formed
Which of the given sets are matched correctly?
a. Chondrus - Algin
b. Gracilaria - Agar
c. Cycas - Coralloid root
d. Pinus - Canada balsam
e. Adiantum - Walking fern
f. Lycopodium - Cord moss
g. Cedrus - Independent gametophyte
h. Sequoia - Tallest gymnosperm
(1) b, c, e, h
(2) a, b, c, e, f
(3) b, c, e, g, h
(4) b, c, d, e, g, h
A. Heterospory is found in all members of pteropsida
B. Selaginella is advance among pteridophytes as it produces seeds
C. Pinus leaves are monomorphic, pinnate compound and have sunken stomata as adaptation against transpiration
D. Sporic meiosis is characteristic of life cycle in many organisms like Volvox, Chlamydomonas and Ulothrix.
(1) All are incorrect
(2) Both B and C are correct
(3) Only B is correct
(4) Only D is incorrect
Identify the labels A, B, C and D in the figure given below
(1) A - Sporophyte; B - Meiosis
C - Gametogenesis; D - Endosperm
(2) A - Sporophyte; B - Mitosis
C - Gametogenesis; D - Zygote
(3) A - Gametophyte; B - Meiosis
C - Gametogenesis; D -Zygote
(4) A - Sporophyte; B - Meiosis
C - Gametogenesis; D - Zygote
Read the following five statements (A-E) and answer as asked next to them
(A) In Equisetum, the female gametophyte is retained on the parent sporophyte
(B) In Ginkgo, male gametophyte is not independent
(C) The sporophyte in Riccia is more developed than that in Polytrichum
(D) Sexual reproduction in Volvox is isogamous
(E) The spores of slime molds lack cell walls
How many of the above statements are correct ?
(1) Two
(2) Three
(3) Four
(4) One
Consider the following four statements whether they are correct or wrong?
(A) The sporophyte in liverworts is more elaborate than that in mosses
(B) Salvinia is heterosporous
(C) The life–cycle in all seed bearing plants is diplontic
(D) In Pinus, male and female cones are borne on different trees
The two wrong statements together are
(1) (B) and (C)
(2) (A) and (B)
(3) (A) and (C)
(4) (A) and (D)
Which one of the following plants is monoecious?
(1) Pinus
(2) Cycas
(3) Papaya
(4) Marchantia
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
(1) Chemical composition of the cell wall
(2) Types of pigments present in the cell
(3) Nature of stored food materials in the cell
(4) Structural organization of thallus
Flagellated male gametes are present in all the three of which one of the following sets?
(1) Riccia, Dryopteris and Cycas
(2) Anthoceros, Funaria and Spirogyra
(3) Zygnema, Saprolegnia and Hydrilla
(4) Fucus, Marsilea and Calotropis
In gymnosperms, the pollen chamber represents:
(1) The microsporangium in which pollen grains develop
(2) A cell in the pollen grain in which the sperms formed
(3) A cavity in the ovule in which pollen grains are stored after pollination
(4) An opening in the mega gametophyte through which the pollen tube approaches the egg
Spore dissemination in some liverworts is aided by:
(1) Peristome teeth
(2) Elaters
(3) Indusium
(4) Calyptra
Which of the following is responsible for peat formation ?
1. Marchantia
2. Riccia
3. Funaria
4. Sphagnum
Archegoniophore is present in :
1. Funaria
2. Marchantia
3. Chara
4. Adiantum
Which one of the following shows isogamy with non-flagellated gametes?
(1) Sargassum
(2) Ectocarpus
(3) Ulothrix
(4) Spirogyra
Which one of the following is considered important in the development of seed habit?
(1) Heterospory
(2) Haplontic life cycle
(3) Free-living gametophyte
(4) Dependent sporophyte
In which one of the following male and female gametophytes do not have free living independent existence?
(1) Cedrus
(2) Pteris
(3) Funaria
(4) Polytrichum
In chlorophyceae, the mode of sexual reproduction is
(1) Isogamy
(2) Anisogamy
(3) Oogamy
(4) All of these