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Plant Kingdom

807 Questions Start Allen Test
All Exams Allen Errorless
Q626 Allen NCERT BASED QUESTIONS MCQ
Which is the dominant phase of Pteridophytes?
A.
Gametophyte
B.
Sporophyte
C.
Spores
D.
Gametes
Q627 Allen NCERT BASED QUESTIONS MCQ
In Pteridophytes, sporophylls may form distinct compact structure, called :-
A.
Strobili or cones
B.
Microphyll
C.
Macrophyll
D.
Tropophyll
Q628 Allen NCERT BASED QUESTIONS MCQ
Pteridophytes are classified in to :-
A.
Three classes
B.
Two classes
C.
Four classes
D.
Five classes
Q629 Allen NCERT BASED QUESTIONS MCQ
Gymnospermic plants are :-
A.
Homosporous
B.
Heterosporous
C.
Both (1) & (2)
D.
Without spores
Q630 Allen NCERT BASED QUESTIONS MCQ
The nucellus is protected by envelopes and the composite structure is called :-
A.
Megaspore
B.
Microspore
C.
Ovule
D.
Cone
Q631 Allen NCERT BASED QUESTIONS MCQ
In Cycas specialised roots are associated with Nā‚‚ fixing cyanobacteria, called :-
A.
Tap root
B.
Coralloid root
C.
Adventitious root
D.
All the above
Q632 Allen NCERT BASED QUESTIONS MCQ
Gymnosperms include :-
A.
Medium sized trees
B.
Tall tree
C.
Shrubs
D.
All the above
Q633 Allen NCERT BASED QUESTIONS MCQ
In Gymnosperm which is not found :-
A.
Antheridia
B.
Archegonia
C.
Both
D.
None of these
Q634 Allen NCERT BASED QUESTIONS MCQ
Which group does not produce embryo ?
A.
Algae
B.
Moss
C.
Liverworts
D.
Club moss
Q635 Allen NCERT BASED QUESTIONS MCQ
In which group the male and female sex organs are called antheridia and archegonia, respectively ?
A.
Blue green algae
B.
Eubacteria
C.
Protista
D.
Bryophyta
Q636 Allen NCERT BASED QUESTIONS MCQ
The group of plants, in which body is differentiated into root, stem and leaf :-
A.
Chlorophyceae
B.
Phaeophyceae
C.
Lycopsida
D.
Hepaticopsida
Q637 Allen NCERT BASED QUESTIONS MCQ
Which is not an example of moss plants ?
A.
Funaria
B.
Polytrichum
C.
Sphagnum
D.
Colletotrichum
Q638 Allen NCERT BASED QUESTIONS MCQ
Strobili or cones are not formed in :-
A.
Lycopods
B.
Sphenopsids
C.
Conifers
D.
Ferns
Q639 Allen NCERT BASED QUESTIONS MCQ
In which group of plants both male and female gametophytes do not have an independent free living existence ?
A.
Bryophytes
B.
Pteridophytes
C.
Gymnosperms
D.
Both (1) and (2)
Q640 Allen NCERT BASED QUESTIONS MCQ
The gametophyte of pteridophytes require to grow :-
A.
Warm, damp, and shady place
B.
Cool, damp, and shady place
C.
Warm, dry, and shady place
D.
Cool, dry, and place of well sunshine
Q641 Allen NCERT BASED QUESTIONS MCQ
Zygotic meiosis occurs in :-
A.
Pinus
B.
Funaria
C.
Pteridium
D.
Chara
Q642 Allen NCERT BASED QUESTIONS MCQ
The megaspore mother cell in gymnosperms is differentiated from :-
A.
Integument
B.
Embryo sac
C.
Nucellus
D.
Endosperm
Q643 Allen NCERT BASED QUESTIONS MCQ
A group of algae, having following characters: (a) Chlorophyll a and b are present (b) Chloroplast has one or many pyrenoids (c) Cell wall made of cellulose and pectose (d) Reserve food material is starch Which one of the following is also a very important character including above characters to call it as a member of Chlorophyceae?
A.
Plant body colonial only
B.
Plant body is made of haploid cells called as gametophyte
C.
Its flagellar character may be 2-8 in number, equal and apical
D.
It may occur in fresh water, brackish water or salt water
Q644 Allen NCERT BASED QUESTIONS MCQ
Integumented megasporangia are formed in:-
A.
Phanerogames
B.
Cryptogames only
C.
Gymnosperms only
D.
Pteridophytes only
Q645 Allen NCERT BASED QUESTIONS MCQ
Needle like leaves to reduce the surface area, thick cuticle, and sunken stomata to reduce water loss etc. are the xerophytic characters present in :-
A.
Pteridophytes
B.
Gymnosperms
C.
Angiosperms
D.
Sphenopsida
Q646 Allen NCERT BASED QUESTIONS MCQ
Consider the following characters :-
(A) Formation of only one functional megaspore in a megasporangium
(B) Formation of hard covering around megasporangium
(C) Development of embryo from zygote within the female gametophyte
(D) Retention of megaspore inside the megasporangium
These were very essential events occurred during the course of evolution for the phenomenon of:-
A.
Heterospory
B.
Seed habit
C.
Fruit formation
D.
Covered seed formation
Q647 Allen NCERT BASED QUESTIONS MCQ
In gymnosperms, the megaspore forms :-
A.
Endosperm
B.
Female gamete
C.
Male gamete
D.
Male cone
Q648 Allen NCERT BASED QUESTIONS MCQ
Find the odd one with respect to ploidy?
A.
Spore
B.
Sporophyte
C.
Archegonium
D.
Antheridium
Q649 Allen NCERT BASED QUESTIONS MCQ
Which of the following is odd one from the following about liverworts ?
A.
Foot, Seta, Capsule
B.
Spore, Archegonium, Antheridium
C.
Multicellular rhizoids, Protonema
D.
Rhizoids, Gemmae
Q650 Allen NCERT BASED QUESTIONS MCQ
Which is not true about fern plants ?
A.
They produce sori on sporophylls
B.
They produce male and female cone by spiral arrangement of sporophylls
C.
Some fern plants are heterosporous also
D.
Some ferns are aquatic also