Angiosperms MCQs | Angiosperms Multiple Choice Questions and Answers

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Questions
1 Angiosperms differ from gymnosperms in having
A Fruits
B Cotyledon
C Tracheids
D Broad Leaves

Answer: Fruits
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

Answer: Phanerogams
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3 The branch of botany that deals with the form of the plant is known as
A Physiology
B Anatomy
C Morphology
D Cytology

Answer: Morphology
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

Answer: scap
6 Thick and woody climbers are called as
A Suckers
B Climbers
C Lianas
D Creepers

Answer: Lianas
7 Parallel venation are found in
A Monocots
B Dicot Stem
C Dicot Root
D None Of The Above

Answer: Monocots
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

Answer: Pollen grains
12 Which of the following is necessary for seed formation in angiosperm?
A Ovule
B Pollination
C Double fertilization
D All the above

Answer: 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

Answer: 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

Answer: Triple fusion
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

Answer: reprodution
20 The nucellus in the ovule is often called
A megagametophyte
B megasporangium
C megasporophyte
D female sporogenous tissue

Answer: megasporangium

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