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Free download in PDF Sexual Reproduction in Flowering Plants Short 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, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
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
(5)
Infoldings produced by cytoplasmic membranes seen in bacteria are called
[A]
Fimbriae
[B]
Pili
[C]
Mesosomes
[D]
Flagellin
(6)
Which among the following is not a prophylactic method?
[A]
Protection
[B]
Eradication
[C]
Introduction
[D]
Exclusion
(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
(9)
Which of the following region has maximum diversity?
[A]
Mangrooves
[B]
Temperate rainforest
[C]
Taiga
[D]
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
(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
(13)
Which among the following is not a plant fossil?
[A]
Archaeopteryx
[B]
Lepidocarpon
[C]
Lepidodendron
[D]
Rhynia
(14)
Formation of microspores from a Pollen Mother cell through meiosis is known as
[A]
Megasporogenasis
[B]
Pollination
[C]
Microsporogensis
[D]
Embryogenesis
(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
(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
(17)
Inactive state of an embryo (seed)
[A]
Apomixis
[B]
Dormancy
[C]
Polyembryony
[D]
Embryony
(18)
Most resistant organic material of exine
[A]
Funicle
[B]
Scutellum
[C]
Germpore
[D]
Sporopollenin
(19)
Flowers which do not open at all
[A]
Syncarp
[B]
Cleistogamous
[C]
Apocarpous
[D]
Chasmogamous
(20)
Cotyledon of grass family situated towards one sided of embryonic axis
[A]
Scutellum
[B]
Antipodal
[C]
Epicotyl
[D]
Pericarp
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