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Free download in PDF Angiosperms Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, B.Sc etc. These short solved questions or quizzes are provided by Gkseries.
(1)
Angiosperms differ from gymnosperms in having
[A]
Fruits
[B]
Cotyledon
[C]
Tracheids
[D]
Broad Leaves
(2)
If seed is defined as an ovule modified as a result of fertilization, one may expect to find seed in
[A]
All Vascular Plants
[B]
Angiopsperm Only
[C]
Gymnosperm Only
[D]
Phanerogams
(3)
The branch of botany that deals with the form of the plant is known as
[A]
Physiology
[B]
Anatomy
[C]
Morphology
[D]
Cytology
(4)
Branches of stem are
[A]
exogenous in origin
[B]
endogenous in origin
[C]
partially endogenous and partially exogenous
[D]
superficial
Answer: exogenous in origin
(5)
Leaf less stem of onion which is produce to bear flowers is called
[A]
peduncle
[B]
rachis
[C]
floral axis
[D]
scap
(6)
Thick and woody climbers are called as
[A]
Suckers
[B]
Climbers
[C]
Lianas
[D]
Creepers
(7)
Parallel venation are found in
[A]
Monocots
[B]
Dicot Stem
[C]
Dicot Root
[D]
None Of The Above
(8)
Angiosperm differ from the gymnosperms
[A]
in having compound leaves
[B]
being evergreen
[C]
being smaller in size
[D]
in having ovules enclosed in ovary
Answer: in having ovules enclosed in ovary
(9)
The axillary buds arise
[A]
endogenously from the pericycle
[B]
endogenously from the main growing point
[C]
exogenously from the inner cortical layers
[D]
exogenously from the epidermis
Answer: exogenously from the inner cortical layers
(10)
Tapetum is present between
[A]
Epidermis and endothecium
[B]
Endothecium and middle layers
[C]
Epidermis and middle layers
[D]
Middle layers and sporoangenous tissue
Answer: Middle layers and sporoangenous tissue
(11)
Palynology deals with study of
[A]
DNA
[B]
Chromosomes
[C]
Pollen grains
[D]
Flowers
(12)
Which of the following is necessary for seed formation in angiosperm?
[A]
Ovule
[B]
Pollination
[C]
Double fertilization
[D]
All the above
(13)
Anthesis is
[A]
Elongation of pollen tube is style
[B]
Emergence of anthers from corolla tube
[C]
Dehiscence of anthers
[D]
The first opening of a flower
Answer: Dehiscence of anthers
(14)
Commonly in a mature fertilized ovule n, 2n and 3n condition is respectively found in
[A]
Antipodals, synergids and integuments
[B]
Egg, nucellus and endosperm
[C]
Antipodals, zygote and endosperm
[D]
Endosperm, nucellus and egg
Answer: Antipodals, zygote and endosperm
(15)
The mature anther wall comprises an epidermis followed by a layer of radially elongated cells with fibrous bands of callose called endothelium whose function is
[A]
Nutrition
[B]
Protection
[C]
Mechanical
[D]
Dehiscence
(16)
The process of fusion of male gamete with the polar nuclei is known as _____.
[A]
Fertilization
[B]
Triple fusion
[C]
Syngamy
[D]
None of the above
(17)
The point of attachment of the cotyledons on the tigellum is
[A]
above the hypocotyl
[B]
below the epicotyl
[C]
called first node
[D]
as stated in each of these
Answer: as stated in each of these
(18)
In angiosperms, meiosis occurs at the time of
[A]
formation of gametes
[B]
Change over generation from sporophyte to gametophyte
[C]
formation of ovules
[D]
formation of anthers
Answer: Change over generation from sporophyte to gametophyte
(19)
The continued existence of any race can be basically attributed to the
[A]
reprodution
[B]
domestication
[C]
conservation
[D]
None of these
(20)
The nucellus in the ovule is often called
[A]
megagametophyte
[B]
megasporangium
[C]
megasporophyte
[D]
female sporogenous tissue
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