Q751
Errorless
Algae
MCQ
Observe the diagram A, B, C, D. In which one of the four options all the items are correct
A.
A-Chlamydomonas, B-Chara, C-Laminaria, D-Volvox
B.
A-Laminaria, B-Volvox, C-Chlamydomonas, D-Chara
C.
A-Chara, B-Laminaria, C-Volvox, D-Chlamydomonas
D.
A-Volvox, B-Chlamydomonas, C-Laminaria, D-Chara
Q752
Errorless
Spirogyra and Ulothrix
MCQ
Number of flagella present in the gametes of Ulothrix is
A.
Four
B.
Three
C.
One
D.
Two
Q753
Errorless
Spirogyra and Ulothrix
MCQ
Spirogyra differs from moss protonema in having
A.
Pyrenoid
B.
Branched filament
C.
Discoid chloroplast
D.
Rhizoidal branches
Q754
Errorless
Spirogyra and Ulothrix
MCQ
Cells of Ulothrix are
A.
Round
B.
Spherical
C.
Cylindrical
D.
Rectangular
Q755
Errorless
Bryophytes
MCQ
Which one of the following is true moss
A.
Club moss
B.
Reindeer moss
C.
Irish moss
D.
Bogg moss (Sphagnum)
Q756
Errorless
Bryophytes
MCQ
Bryophytes resemble algae in the following aspects
A.
Filamentous body, presence of vascular tissues and autotrophic nutrition
B.
Differentiation of plant body into root, stem and leaves and autotrophic nutrition
C.
Thallus like plant body, presence of root and autotrophic nutrition
D.
Thallus-like plant body, lack of vascular tissues and autotrophic nutrition
Q757
Errorless
Funaria and Riccia
MCQ
In moss, reduction division takes place in
A.
Capsule
B.
Archegonia
C.
Antheridium
D.
At the tip of rhizoids
Q758
Errorless
Funaria and Riccia
MCQ
Which is not a part of moss capsule
A.
Peristome
B.
Protonema
C.
Theca from operculum
D.
Annulus
Q759
Errorless
Funaria and Riccia
MCQ
The sporophytic phase in Funaria is well developed and is composed of
A.
Foot, seta and capsule
B.
Spore sac
C.
Capsule only
D.
Foot and capsule
Q760
Errorless
Pteridium, Pteris, Dryopteris
MCQ
In fern, spores are formed in
A.
Sporangium
B.
Oogonium
C.
Archegonium
D.
Stomium
Q761
Errorless
Pteridium, Pteris, Dryopteris
MCQ
Spore of fern represents
A.
Sporophytic stage
B.
Gametophytic stage
C.
Sporophytic and gametophytic stage
D.
Apomictic stage
Q762
Errorless
Pteridium, Pteris, Dryopteris
MCQ
In Dryopteris [JK CMEE 200:
A.
Sporophyte is parasitic over gametophyte
B.
Sporophyte is independent
C.
Gametophyte is independent
D.
Both b and c
Q763
Errorless
Gymnosperm
MCQ
Canada balsam is an oleoresin obtained from [NCERT]
A.
Abies balsamea
B.
Impatiens balsamia
C.
Pinus sp.
D.
Helianthus annus
Q764
Errorless
Pinus
MCQ
The seed of Pinus sp. is
A.
Uneconomic and nonendospermic
B.
Abaxial and rounded
C.
Adaxial and endospermic
D.
Hypogeal and monocotyledonous
Q765
Errorless
Pinus
MCQ
Resin and turpentine are obtained from [NCERT]
A.
Cycas
B.
Pinus
C.
Abies
D.
Cedrus
Q766
Errorless
Angiosperm
MCQ
An angiosperm is different from a gymnosperm in the absense of
A.
Vascular tissue
B.
Ovary
C.
Seed
D.
Naked ovule
Q767
Errorless
NCERT(Exemplar Questions)
MCQ
Fusion of two gametes which are dissimilar in size is termed as
A.
Oogamy
B.
Isogamy
C.
Anisogamy
D.
Zoogamy
Q768
Errorless
NCERT(Exemplar Questions)
MCQ
Holdfast, stipe and frond constitutes the plant body in case of
A.
Rhodophyceae
B.
Chlorophyceae
C.
Phaeophyceae
D.
All of the above
Q769
Errorless
NCERT(Exemplar Questions)
MCQ
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
A.
Pteridophytes
B.
Gymnosperms
C.
Monocots
D.
Bryophytes
Q770
Errorless
NCERT(Exemplar Questions)
MCQ
A Frouamus is [vCLn1 ry. 1vo. Jz]
A.
A structure in pteridophytes formed before the thallus develops
B.
A sporophytic free living structure formed in pteridophytes
C.
A gametophyte free living structure formed in pteridophytes
D.
A primitive structure formed after fertilization in pteridophytes
Q771
Errorless
NCERT(Exemplar Questions)
MCQ
Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is
A.
Monocots
B.
Dicots
C.
Pteridophytes
D.
Gymnosperms
Q772
Errorless
NCERT(Exemplar Questions)
MCQ
If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm [NCERT]
A.
36
B.
18
C.
54
D.
72
Q773
Errorless
NCERT(Exemplar Questions)
MCQ
Protonema is
A.
Haploid and is found in mosses
B.
Diploid and is found in liverworts
C.
Diploid and is found in pteridophytes
D.
Haploid and is found in pteridophytes
Q774
Errorless
NCERT(Exemplar Questions)
MCQ
The giant Redwood tree (Sequoia sempervirens) is a/an
A.
Angiosperm
B.
Free fern
C.
Pteridophyte
D.
Gymnosperm
Q775
Errorless
Critical Thinking
MCQ
Consider the following statements with respect to gymnosperms and angiosperms
(A) Double fertilization is an event unique to gymnosperms
(B) Angiosperms range in size from microscopic, Wolfia to tall trees of Sequoia
(C) In gymnosperms the seeds are not covered
(D) In gymnosperms the male and female gametophytes have an independent free living existence Of the ahove statements
(A) Double fertilization is an event unique to gymnosperms
(B) Angiosperms range in size from microscopic, Wolfia to tall trees of Sequoia
(C) In gymnosperms the seeds are not covered
(D) In gymnosperms the male and female gametophytes have an independent free living existence Of the ahove statements
A.
A and B alone are correct
B.
C alone is correct
C.
B and C alone are correct
D.
C and D alone are correct
E.
D alone is correct