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NEET Biology MCQ
Sexual Reproduction In Flowering Plants Mcq
Quiz 10
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Q.1
on 270 . Female gametophyte is also known as
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a) ovule
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b) egg-apparatus
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c) Nucellus
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d) Embryo sac
Explanation
Answer:(d)
Q.2
on 271 Which of the following plants possess protogynous flowers?
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a) Aristolochia
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b) Passiflona
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c) Primrose
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d) All of these
Explanation
Answer:(a)
Q.3
on 272 A typical anther contains 100 pollen mother cells per microsporangium. How many male gametes can be produced by this anther?
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a) 100
0%
b) 200
0%
c) 1600
0%
d) 3200
Explanation
Answer:(d)
Q.4
on 273 How many meiotic divisions are required to produce 64 pollen grains:
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a) 16
0%
b) 32
0%
c) 64
0%
d) 80
Explanation
Answer:(a)
Q.5
on 274 Dicot plants have two cotyledons in a seed. In monocot, the first cotyledon is called Scutellum while the second cotyledon is rudimentary and is called:
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a) Epiblast
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b) Epiplast
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c) Apoplast
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d) None
Explanation
Second cotyledon in monocot seed is not developed i.e. it is rudimentary and appears as flap like projection inserted opposite the scutellum. This flap like projection is called Epiblast. Euglenids and alveolates (ciliates, dinoflagellates, and apicomplexans) assemble a thin, viscoelastic, actin/spectrin-free membrane skeleton, here called the epiplast. Answer:(a)
Q.6
on 275 In Michelia, gynoecium is:
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a) Monocarpellary and syncarpous
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b) Multicarpellary and apocarpous
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c) Bicarpellary and apocarpous
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d) Multicarpellary and syncarpous
Explanation
Answer:(b)
Q.7
on 276 How many of the following are pollinated by insects? (i) Lobia. (ii) Tobacco. (iii) Cucumber. (iv) Cotton. (v) Eucalyptus. (vi) Onion.
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a) 2
0%
b) 3
0%
c) 5
0%
d) 6
Explanation
Answer:(c)
Q.8
on 277 Assertion: Generally megaspore mother cell undergoes meiosis to produce four megaspores in angiosperms. Reason: Megaspore is the first cell of male gametophyte.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion
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c) Assertion is true but Reason is false
0%
d) Both Assertion and Reason are false
Explanation
Answer:(c)
Q.9
on 278 Unusual development of plant from the haploid cells of female gametophyte other than egg through mitosis is:
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a) Apospory
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b) Apogamy
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c) Parthenogenesis
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d) Parthenocarpy
Explanation
Answer:(b)
Q.10
on 279 The root cell of wheat plant has 42 chromosomes. What would be the number of chromosomes in the synergid cell ?
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a) 21
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b) 7
0%
c) 28
0%
d) 14
Explanation
Answer:(a)
Q.11
on 280 Root cap of the embryo develops from
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a) Basal cell
0%
b) Apical cell
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c) Hypophysis
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d) Hypocotyl
Explanation
Answer:(c)
Q.12
on 281 A single ovule produces
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a) 3 female gamete
0%
b) 1 female gamete
0%
c) 2 female gamete
0%
d) 4 female gamete
Explanation
Answer:(b)
Q.13
on 282 Stamen show homology with
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a) Gametophyte
0%
b) male cone
0%
c) Microsporophyll
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d) Sporangium
Explanation
Answer:(c)
Q.14
on 283 Typical anther normally consists of
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a) One lobe Four sporangia
0%
b) Two lobe Two sporangia
0%
c) Two lobe Four sporangia
0%
d) One lobe Two sporangia
Explanation
Answer:(c)
Q.15
on 284 Which is the most resistant natural organic material ?
0%
a) Cellulose
0%
b) Pectin
0%
c) Suberin
0%
d) Sporopollenin
Explanation
Answer:(d)
Q.16
on 285 Germpores are actually
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a) Apertures in intine
0%
b) Thick area in intine
0%
c) Apertures in exine
0%
d) Thin area in intine
Explanation
Answer:(c)
Q.17
on 286 The adaptation for self-pollination is
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a) Herkogamy
0%
b) Cleistogamy
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c) Dichogamy
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d) Homogamy
Explanation
Answer:(b)
Q.18
on 287 Which of the following is the basal part of ovule ?
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a) placenta
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b) Hilum
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c) Micropyle
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d) chalaza
Explanation
Answer:(d)
Q.19
on 288 Pollen grains germinate on
0%
a) Any surface
0%
b) Stigma
0%
c) soil
0%
d) Ovule
Explanation
Answer:(b)
Q.20
on 289 The seed coat develops from
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a) Embryo sac
0%
b) Inner integument
0%
c) Nucellus
0%
d) Outer integument
Explanation
Answer:(d)
Q.21
on 290 How many of the following plants produce polyembryonic seeds? (i) Orchids. (ii) Castor. (iii) Lillium. (iv) Orange. (v) Citrus.
0%
a) One
0%
b) Two
0%
c) Three
0%
d) Four
Explanation
Answer:(d)
Q.22
on 291 Which of the following is true regarding Integumentary tapetum?
0%
a) Nutritive tissue of integument functionally similar to nucellus
0%
b) Nutritive tissue of nucellus functionally similar to integument
0%
c) Chalazosperm nutritive tissue of nucellus
0%
d) Both B and C
Explanation
Answer:(a)
Q.23
on 292 Longest pollen tube is found in:
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a) Mirabilis
0%
b) Maize
0%
c) Myosotis
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d) Nymphaea
Explanation
Answer:(b)
Q.24
on 293 Polyspory condition is present in:
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a) Cuscuta
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b) Annona
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c) Mimosa
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d) All of these
Explanation
Answer:(a)
Q.25
on 294 The egg apparatus is made up of two ____ and one ____ located in _____ end.
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a) Antipodals, egg cell, micropylar
0%
b) Antipodals, egg cell, chalazal
0%
c) Synergids, egg cell, micropylar
0%
d) Synergids, egg cell, chalazal
Explanation
Answer:(c)
Q.26
on 295 Which of the following plant have many ovules in its ovary?
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a) Mango
0%
b) Watermelon
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c) Wheat
0%
d) Rice
Explanation
Answer:(b)
Q.27
on 296 . Megasporangium represents:
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a) Ovule
0%
b) Megagametophyte
0%
c) Embryo sac
0%
d) Pistil
Explanation
Answer:(a)
Q.28
on 297 Which of the following pair is wrong?
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a) Endospermic seeds – Maize
0%
b) Pollen allergy – Parthenium
0%
c) Integumentary tapetum – Nourishment of microspores
0%
d) Apomixis – Grasses
Explanation
Answer:(c)
Q.29
on 298 Xenia is exhibited by:
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a) Seed coat
0%
b) Pericarp
0%
c) Endosperm
0%
d) All of these
Explanation
Answer:(c)
Q.30
on 299 The most common type of ovules in gymnosperms and angiosperms are:
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a) Orthotropous and anatropous
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b) Anatropous and Orthotropous
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c) Orthotropous and circinotropous
0%
d) Circinotropous and Orthotropous
Explanation
Answer:(a)
Q.31
on 300 If a flower possesses a gynoecium made up of 5 carpels, what will be the number of meiosis in that gynoecium?
0%
a) One
0%
b) Five
0%
c) Twenty
0%
d) Numerous
Explanation
Answer:(b)
Q.32
on 301 Papaver possess:
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a) Multicarpellary apocarpous pistils
0%
b) Multicarpellary syncarpous pistils
0%
c) Monocarpellary pistils
0%
d) Pentacarpellary syncarpous pistils
Explanation
Answer:(b)
Q.33
on 302 Identify the pollinating agent in Lobia:
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a) Insect
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b) Birds
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c) Wind
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d) Water
Explanation
Answer:(a)
Q.34
on 303 How many nuclei are involved in double fertilization?
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a) Four
0%
b) Five
0%
c) Two
0%
d) Eight
Explanation
Answer:(b)
Q.35
on 304 Tetrahedral tetrads are found in:
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a) Monocots
0%
b) Dicots
0%
c) Maize
0%
d) Both A and C
Explanation
Answer:(b)
Q.36
on 305 Which of the following is an endospermous seed?
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a) Pea
0%
b) Barely
0%
c) Groundnut
0%
d) Gram
Explanation
Answer:(b)
Q.37
on 306 How many of the following are characteristics of dicot embryo? (i) Tigellum. (ii) Epicotyls. (iii) Coleorhiza. (iv) Coleoptile.
0%
a) 2
0%
b) 3
0%
c) 1
0%
d) 4
Explanation
Answer:(a)
Q.38
on 307 Integument originates from:
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a) Funicle
0%
b) Hilum
0%
c) Base of ovule
0%
d) Apex of ovule
Explanation
Answer:(c)
Q.39
on 308 Persistent nucellus is called:
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a) Endosperm
0%
b) Perisperm
0%
c) Epiblast
0%
d) Scutellum
Explanation
Answer:(b)
Q.40
on 309 Which of the following layer of anther wall has deposition of α cellulose in radial and tangential walls and helps in dehiscence of anther?
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a) Epidermis
0%
b) Middle layers
0%
c) Endothecium
0%
d) Tapetum
Explanation
Answer:(c)
Q.41
on 310 Endosperm is persistent in mature seed and is used during seed germination in:
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a) Pea and castor
0%
b) Coconut and bean
0%
c) Castor and groundnut
0%
d) Groundnut and castor
Explanation
Answer:(c)
Q.42
on 311 In a mature embryo sac, the central cell is:
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a) Uninucleate
0%
b) Binucleated
0%
c) Four nucleate
0%
d) Eight nucleated
Explanation
Answer:(b)
Q.43
on 312 Nucellar Polyembryony is found in:
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a) Gossypium
0%
b) Triticum
0%
c) Brassica
0%
d) Citrus limon
Explanation
Answer:(d)
Q.44
on 313 Identify the type of ovule present in Piper nigrum:
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a) Anatropous
0%
b) Orthotropous
0%
c) Campylotropus
0%
d) Amphitropus
Explanation
Answer:(b)
Q.45
on 314 Adventive embryony (from integuments) occur in:
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a) Spiranthus
0%
b) Citrus
0%
c) Mangifera
0%
d) Opuntia
Explanation
Answer:(a)
Q.46
on 315 Which of the following is a non endospermic monocot seed?
0%
a) Orchid
0%
b) Vallisneria
0%
c) Maize
0%
d) Both (A) and (B)
Explanation
Answer:(d)
Q.47
on 316 Carpel is formed of
0%
a) Two part
0%
b) Three part
0%
c) Four part
0%
d) Seven part
Explanation
Answer:(b)
Q.48
on 317 Pollen grain are produced in
0%
a) Nucellus
0%
b) Stigma
0%
c) Anther
0%
d) Chalaza
Explanation
Answer:(c)
Q.49
on 321 During the development of monosporic development of embryo sac the nucleus of the functional megaspore divides
0%
a) Two times
0%
b) Three times
0%
c) One time
0%
d) Repeatedly
Explanation
Answer:(b)
Q.50
on 322 Embryo sac is formed inside
0%
a) Seed
0%
b) Endosperm
0%
c) Embryo
0%
d) Ovule
Explanation
Answer:(d)
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