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Plant Kingdom

807 Questions Start Allen Test
All Exams Allen Errorless
Q526 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Spore bearing tracheophytes (Vascular plants):
A.
Pteridophyta
B.
Gymnosperms
C.
Angiosperms
D.
All the above
Q527 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which of the following Gymnospermic orders resembles with angiosperms ?
A.
Cycadales
B.
Coniferales
C.
Gnetales
D.
Ginkgoales
Q528 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Living fossil:-
A.
Cycas
B.
Ginkgo
C.
Psilotum
D.
All the above
Q529 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Gymnosperms :-
A.
Are naked seeds plants
B.
Have tap roots
C.
Are heterosporous
D.
All of these
Q530 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which of the following are absent in group gymnosperm ?
A.
Trees
B.
Shrubs
C.
Liana
D.
Herbs
Q531 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which plant group is exclusively perennial ?
A.
Dicots
B.
Ferns
C.
Gymnosperms
D.
Monocots
Q532 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
In Ginkgo, male gametes are :-
A.
Motile
B.
Non-motile
C.
Amoeboid
D.
Absent
Q533 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Male gamete of Cycas is largest in plant kingdom, is :-
A.
Non motile
B.
Biflagellate
C.
Multiciliate
D.
Uniflagellate
Q534 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
The mode of pollination in Gymnospermae is:-
A.
Anemophily
B.
Entomophily
C.
Hydrophily
D.
Any of the above
Q535 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which of the following are correct for gymnosperms?
(I) Have adventitious root system.
(II) The leaves in gymnosperms can withstandextremetemperature, humidity and wind.
(III) Microspores are produced in microsporangia.
(IV) They include medium or tall sized trees and shrubs.
A.
I and III
B.
I, II and II
C.
II, III and IV
D.
I and IV
Q536 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which of the following remained unchanged for last many million years?
A.
Pinus
B.
Rice
C.
Cedrus
D.
Ginkgo
Q537 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Life cycle of gymnosperm is :-
A.
Haplontic
B.
Haplodiplontic
C.
Diplontic
D.
Diplohaplontic
Q538 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which of the following is commonly known as "Chilgoza pine" ?
A.
Cycas
B.
Cedrus
C.
Pinus
D.
Ginkgo
Q539 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
The gymnosperm resembles with angiosperm in having :-
A.
Ciliated sperms
B.
Presence of ovary
C.
Presence of seed
D.
Presence of fruit
Q540 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
In pteridophytes and gymnosperm sporangia are born on which side of sporophyll :—
A.
Adaxial
B.
Abaxial
C.
Lateral
D.
Terminal
Q541 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Megaspore germinate into :-
A.
Female gametophyte.
B.
Gametophyte having both male and female sex organs.
C.
Male gametophyte.
D.
Male sporophyte.
Q542 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Fruits are not formed in gymnosperm because:
A.
Fertilization is absent
B.
Pollination is absent
C.
Seeds are not formed
D.
Ovary is absent
Q543 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
The gametophyte of pteridophyte grows in damp, moist and shady places because :-
A.
They are limited and restricted to a narrow geographical region.
B.
They need water for fertilization of gametes formed on the gametophyte.
C.
Water is required for gametogenesis.
D.
Egg cell swims in water to reach to the antheridia.
Q544 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Gymnosperms differ from pteridophytes in having-
A.
Presence of tracheids
B.
Presence of embryo
C.
Presence of ovule
D.
Companian cell
Q545 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Most gymnosperms have :—
A.
Both archegonia and antheridia
B.
Antheridia but no archegonia
C.
Archegonia but no antheridia
D.
No antheridia or archegonia
Q546 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
The "endosperm" of a gymnosperm represent:
A.
Gametophytic tissue
B.
Sporophytic tissue
C.
Tissue formed by double fertilization
D.
Polyploid tissue
Q547 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Vessels occur in the following gymnosperm plant :-
A.
Ginkgo
B.
Taxus
C.
Gnetum
D.
All the above
Q548 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
In gymnosperm endosperm is :-
A.
Triploid
B.
Diploid
C.
Haploid
D.
Tetraploid
Q549 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Which of the following is not heterosporous ?
A.
Selaginella
B.
Pinus
C.
Pteridium
D.
Cycas
Q550 Allen KINGDOM–PLANTAE – GYMNOSPERM MCQ
Multiciliate male gametes are found in :—
A.
Pinus
B.
Cycas
C.
Gnetum
D.
Mango