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Sexual Reproduction in Flowering Plants MCQs | Sexual Reproduction in Flowering Plants Short Questions and Answers

Questions
The diatomaceous earth of tertiary deposits found in California is
A 300 feet thick
B 500 feet thick
C Over 1000 feet thick
D Over 1000 feet and below 200feet thick

Answer:Over 1000 feet thick
2 Zosterophyllum is
A fossil alga
B fossil Bryophyta
C fossil pteridophyte
D fossil gymnosperm

Answer: fossil pteridophyte
3 Which is known as fossil bryophyte?
A Marchantia palmata
B Riicia fluitans
C Naiadita lanceolata
D Marchantia polymorpha

Answer: Naiadita lanceolata
4 Litmus is a dye obtained which lichen?
A Lecanora
B Cladonia
C Peltigera
D Roccella

Answer:Roccella
5 Infoldings produced by cytoplasmic membranes seen in bacteria are called
A Fimbriae
B Pili
C Mesosomes
D Flagellin

Answer:Mesosomes
6 Which among the following is not a prophylactic method?
A Protection
B Eradication
C Introduction
D Exclusion

Answer: Introduction
7 The first virus demonstrated to cause cancer is
A Rous sarcoma virus
B Mouse mammary tube virus
C Feline Leukemia virus
D Avian Leukosis virus

Answer:Rous sarcoma virus
8 Labellum in Orchidaceae comes to anterior side by the twisting of the ovary through 180 degree. This process is called
A Adnation
B Articulation
C Resupination
D None of these

Answer:Resupination
9 Which of the following region has maximum diversity?
A Mangrooves
B Temperate rainforest
C Taiga
D Coral reefs

Answer:Coral reefs
10 Bioinformatics tool CLUSTAL is a
A Program that compares nucleotide sequences to sequence database
B Computation phylogenetic package of programs for drawing evolutionary trees
C Computer program series widely used for multiple sequence alignment
D Free open source software for rapid database searching with sequence patterns and protein motif identification

Answer: Computer program series widely used for multiple sequence alignment
11 Which of the following is considered as a noncovalent bond?
A Electrostatic interactions
B Hydrogen bonds
C Van der waals interactions
D All of the above

Answer: All of the above
12 Techniques that can be used to elucidate information about protein shape are
A X-ray crystallography
B NMR spectroscopy
C SDS-PAGE
D A and B

Answer: A and B
13 Which among the following is not a plant fossil?
A Archaeopteryx
B Lepidocarpon
C Lepidodendron
D Rhynia

Answer: Archaeopteryx
14 Formation of microspores from a Pollen Mother cell through meiosis is known as
A Megasporogenasis
B Pollination
C Microsporogensis
D Embryogenesis

Answer: Microsporogensis
15 The process of transfer of pollen grains from anther to stigma of another flower of the same plant is called
A Xenogamy
B Geitonogamy
C Autogamy
D Syngamy

Answer:Geitonogamy
16 Removal of anthers from flower bud before the anther dehisces for plant breeding is known as
A Emasculation
B Bagging
C Artificial hybridization
D Rebagging

Answer:Emasculation
17 Inactive state of an embryo (seed)
A Apomixis
B Dormancy
C Polyembryony
D Embryony

Answer:Dormancy
18 Most resistant organic material of exine
A Funicle
B Scutellum
C Germpore
D Sporopollenin

Answer:Sporopollenin
19 Flowers which do not open at all
A Syncarp
B Cleistogamous
C Apocarpous
D Chasmogamous

Answer: Cleistogamous
20 Cotyledon of grass family situated towards one sided of embryonic axis
A Scutellum
B Antipodal
C Epicotyl
D Pericarp

Answer: Scutellum

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