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