NEET Biology Multiple Choice Questions – Sexual Reproduction in Flowering Plants

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NEET Biology Reproduction In Angiosperms Multiple Choice Questions

Question 1. Uniscxunlity of flowers prevents:

  1. Autogany and geitonogamy
  2. Both geitonogamy and xenogamy
  3. Autogamy but not geitonogamy
  4. geitonogamybut not xenogamy

Answer: 3. Autogamy but not geitonogamy

Question 2. The endosperm is completely consumed by the developing embryo in :

  1. Pea and castor
  2. Maize and castor
  3. Castor and groundnut
  4. Maize and Pea

Answer: 1. Pea and castor

Question 3. A plant part having two generations is :

  1. Embryogeny
  2. Unfertilized ovule
  3. Germinated pollen
  4. Seed, grain

Answer: 4. Seed, grain

Read and Learn More NEET Biology Multiple Choice Question and Answers

Question 4. The end products of sexual reproduction are :

  1. Fruits
  2. Flowers
  3. Inflorescence
  4. Fruits and seeds

Answer: 4. Fuits and seeds

Question 5. Differentiation and development of floral primordium is preceded by :

  1. Hormonal changes
  2. Structural change
  3. Formation of gynoecium
  4. Both structural and hormonal changes.

Answer: 4. both structural and hormonal changes.

Sexual Reproduction In Flowering Plants MCQs NEET

Question 6. Which of the following is a mismatch?

  1. Long and slender stalk – Filament
  2. Long and bilobed – Anther
  3. Short and bilobed – Anther
  4. Microsporangia – Anther.

Answer: 2. Long and bilobed – Anther

Question7. Microsporangium develops and :

  1. Form pollen
  2. Become pollen sac
  3. Produce tapetum
  4. Lead to the formation of embryo sac.

Answer: 1.  Form pollen

Question 8. In the young anther, a group of homogenous compactly arranged sporogenous tissue occupies the centre of the microsporangium. It undergoes :

  1. Meiotic division to form microspore tetrad
  2. Growth forms pollen sac
  3. Mitosis to form tetrad
  4. Meiosis to form pollen sac.

Answer: 1. Meiotic division to form microspore tetrad

Question 9. Pollen grains are spherical and measure about:

  1. 10-12 diameters
  2. 25-50 in diameter
  3. 50-70 in diameter
  4. Less than 10 mm in diameter.

Answer:2. 25-50 in diameter

Question 10. In 40 per cent of angiosperm pollen grains are arrested at:

  1. 2-celled stage
  2. 3-celled stage
  3. One vegetative and generative cell
  4. Two generative and one vegetative cell

Answer: 2. 3-celled stage

Question 11. Pick out the mismatch :

  1. Embryosac – Female gametophyte
  2. Functional megaspore – 2 celled
  3. Typical embryo sac at maturity – 8 nucleate, 7 celled
  4. Egg apparatus – 3 celled

Answer: 2. Functional megaspore – 2-celled

Question 12. Which of the following is/are biotic pollinators of plant species?

  1. Bees, butterflies, beetles
  2. Sunbird, hummingbird
  3. Gecko, lemur, Rodents
  4. All of the above.

Answer: 4. All of the above.

Question 13. Continued self-pollination leads to inbreeding depression. Which of the following devices encourage cross-pollination?

  1. Pollen released before stigma becomes receptive
  2. Stigma becomes receptive before pollen release
  3. Different positions of anther and stigma
  4. All of the above.

Answer: 4. All of the above.

Question 14. In plants which shed pollen at the 3-celled stage, pollen tube. carry :

  1. One male gamete from the beginning’
  2. One male gamete
  3. One vegetative and One generative cell
  4. Two vegetative and one generative cells.

Answer: 1. wo male gametes from the beginning’

Question 15. Callose covering is present over :

  1. Egg
  2. Pollen grain
  3. Male gamete
  4. Microspore mother cells.

Answer: 4. Microspore mother cells.

Sexual Reproduction In Flowering Plants MCQs NEET

Question 16. The arrangement of nuclei in a normal dicot embryo sac is :

  1. 3 + 3 + 2
  2. 3 + 2 + 3
  3. 2 + 4 + 2
  4. 2 + 3 + 3.

Answer: 2.  3 + 2 + 3

Question 17. The function of the tapetum is

  1. Protective
  2. Nutritive
  3. Respiratory
  4. All of above

Answer: 2. Nutritive

Question 18. A typical dicot embryo consists of:

  1. Epicotyl and plumage
  2. Hypocotyl and radicle
  3. Embryonal axis and two cotyledons,
  4. Embryonal axis and scutellum.

Answer: 3. Embryonal axis and two cotyledons,

Question 19. The wall of The fruit may be flashy in :

  1. Guava
  2. Orange
  3. Mango
  4. All of the above.

Answer: 4. All of the above.

Question 19. Which of the following fruits contains thousands of seeds?

  1. orchid fruit
  2. Ficus
  3. Orobanchae and striga
  4. 1 and 3.

Answer: 4. 1 and 3.

Question 20. Which of the following is the correct labelling for the figure given below :

Reproduction-In-Angiosperms-Correct-Label

  1. p/Thalamus Q/ovary R/style s/stigma
  2. Stigma-style ovary stigma
  3. Thalamus-style ovary stigma
  4. Thalamus Ovary stigma style.

Answer: 4. Thalamus Ovary stigma style.

Question 21. Select the mismatched pair.

  1. Microsporangium
  2. Megasporangium
  3. Pollen grain
  4. Embryo sac

Answer: 1 . Microsporangium

Sexual Reproduction In Flowering Plants MCQs NEET

Question 22. The given diagram shows the microsporangium of a mature anther. Identify P, Q and R.

Reproduction In Angiosperms Microsporangium

  1. P – Middle layer, O – Endothecium, R – Tapetum
  2. P – Endothecium, O – Tapetum, R – Middle layer
  3. P – Endothecium, O – Middle layer, R – Tapetum
  4. P – Tapetum, B – Middle layer, R – Endothecium.

Answer:  3.  P – Endothecium, O – Middle layer, R – Tapetum

Question 23. Refer to the given statements.

  1. The outer exine is made up of sporopollenin.
  2. The inner inline is pecto-cellulosic.
  3. Generative cells are bigger and contain abundant food reserves.
  4. The vegetative cell is small and floats in the cytoplasm of the generative cell

Answer: 3. Generative cells are bigger and contain abundant food reserves.

Question 24. Which of the given statements are not true regarding the structure of pollen grain

  1. (1) and (2)
  2. (2) and (3)
  3. (3) and (4)
  4. (1) and (4).

Answer: 3. (3) and (4)

Sexual Reproduction In Flowering Plants MCQs NEET

Question 25. Study the following statements regarding the structure of microsporangium and select the correct answer.

(i)Microsporangium is generally surrounded by four wall layers – epidermis, endothecium, middle layers and tapetum

(ii) The outer three layers perform functions of protection and dehiscence of anthers.

(iii)Cells of tapetum undergo meiosis and produce microspore tetrads.

  1. Only (1) and (2) are true.
  2. Only (2) and (3) are true.
  3. Only (1) and (3) are true.
  4. All are true.

Answer: 1. Only (1) and (2) are true.

Question 26. Select the mismatched pair.

  1. Storage of pollen grains – 196 C
  2. Pollen allergy-carrot grass
  3. Chasmogamous flowers -Exposed anthers and stigmas
  4. Xenogamy- self-pollination

Answer: 4. Xenogamy- self-pollination

Question 27. A typical angiospermous ovule is attached to the placenta using a stalk called X. The Body of the ovule fuses with X in the region called Y. Thus Y represents the junction between the ovule and funicle. Identify X and Y.

Reproduction In Angiosperms Micropyle

Answer: 1. Funicle   Hilum

Question 28. Match column I with column II and select the correct option from the codes given below.

Reproduction In Angiosperms Micropyle

1→A  2 →D  3 →B  4→C

1 →A  2 →D 3→ C 4 →B

1→ B  2 →C  3→ A  4 →D

1 →B  2 →A  3 →1  4→ D

Answer: 1. 1→A  2 →D  3 →B  4→C

Question 29. Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order.

  1. Re-bagging
  2. Selection of parents;
  3. Bagging;
  4. Dusting the pollen on the stigma;
  5. Emasculation;
  6. Collection of pollen from the male parent.

1. 2 → 3→ 5→ 6→ 4 → 1

2. 2→ 5 →3→ 6 →4 →1

3. 5 →2 →3 →6 →1 →4

4. 2 →3 →6 →4 →5 →1

Answer: 2. 2 →3 →5 →6 →4 →1

Sexual Reproduction In Flowering Plants MCQ For NEET  Question 30. Identify the different parts of a typical dicot embryo labelled as A. 11 and C and select the correct option.

Reproduction In Angiosperms Dicot Embryo Lable

  1. Plumule Cotyledons Radicle
  2. Radicle Cotyledons Plumule
  3. Cotyledons Plumule Radicle
  4. Cotyledons Radicle Plumule.

Answer: 1 . Plumule Cotyledons Radicle

Important Questions On Reproduction In Flowering Plants

Question 31. A typical example of cross-pollination is :

  1. Wheat (Triticum)
  2. Rice (Oryza saliva)
  3. CLCotton (Gossypium)
  4. Zea mays.

Answer: 4. Zea mays.

Question32. Continued self-pollination generation after generation, results in :

  1. better progeny
  2. pure line formation
  3. formation of new varieties
  4. None of the above.

Answer: 2. pure line formation

Question 33. Stigma is always sticky and rough in :

  1. Anemophilous flower
  2. Hydrophilous flowers.
  3. Entomophilous flowers
  4. All the above types of flowers.

Answer: 3. Entomophilous flowers

Question 34. The chief pollinators of our agro-horticultural crops are :

  1. Butterflies
  2. Moths
  3. Beetles
  4. Bees

Answer: 4. Bees

Question 35. The phenomenon of opening of flower buds is called :

  1. Gcjmetogenesis
  2. Sporogenesis
  3. Anthesis
  4. None of the above.

Answer: 3. Anthesis

Question 36. In wheat and sugarcane, pollination takes place by :

  1. Wind
  2. Water
  3. Insects
  4. Animals.

Answer: 1. Wind

Question 37. If water causes pollinatior^-it is called :

  1. Anemophily
  2. Hydrophily
  3. Chiropterophily
  4. Zoophily.

Answer: 2. Hydrophily

Question 38. Insect-pollinated flowers possess:

  1. Smooth and dry pollen
  2. A larger amount of pollen
  3. Coloured corolla
  4. Rough pollen.

Answer: 3. Coloured corolla

Question 39. Protandry is a condition in which :

  1. Anthers mature after stigma
  2. Anthers and stigmas mature at the same time
  3. Anthers mature earlier than the stigma
  4. Pollens of the same flower pollinate stigmas.

Answer:3.Anthers mature earlier than the stigma

Important Questions On Reproduction In Flowering Plants

Biology Sexual Reproduction in Flowering Plant Question 40.Cleistogamous flowers arc ;

  1. Open male flowers
  2. Open bisexual flowers
  3. Male flowers which never open
  4. Bisexual flowers which never open.

Answer: 4. bisexual flowers which never open.

Question 41. In Ficus the pollination is affected by :

  1. Air
  2. Water
  3. Birds
  4. Wasps.

Answer: 4. Wasps.

Question 42.Palynpld’gy deals with the study of:

  1. Pollen grains
  2. Chromosomes
  3. DNA
  4. Genes.

Answer: 1. Pollen grain

Question 43.When an anther dehisces towards the centre of the flower/it is called :

  1. Montrose
  2. Extras
  3. Inserted
  4. Exerted.

Answer: 1. Introse

Question 44. The lever mechanism is found in the pollination of:

  1. Ipomoea
  2. Euphorbia
  3. Salvia
  4. Vallisneria.

Answer: 3. Salvia

Question 45. When male and female parts of a flower mature at different times, it is termed:

  1. Dichogamy
  2. Heterostyly
  3. Herkogamy
  4. Monoclinic.

Answer: 1. Dichogamy

Question 46. Pollination by bats is known as :

  1. Anemophily
  2. Hydrophily
  3. Chiropterophily
  4. Ornithophily.

Answer: 3. Chiropterophily

Important Questions On Reproduction In Flowering Plants

Question 47. Cross-pollination is advantageous because it results in information of:

  1. Weaker progen
  2. Better progeny
  3. Female offspring
  4. Male offspring.

Answer: 2. Better progeny

Question 48. To avoid self-pollination, the pollen grains of some flowers have no fertilizing effect on the stigma of the same flower. This condition is :

  1. Self sterility
  2. Herkogamy
  3. Dicliny
  4. Dichogamy.

Answer: 1. Self sterility

Question 49. If the pollen of a flower falls on the stigma of another flower belonging to the same plant, it is :

  1. Genetically self-pollinated
  2. Ecologically cross-pollinated
  3. Both and
  4. None of the above.

Answer: 2. Ecologically cross-pollinated

Question 50. Malacophily is pollination by

  1. Insects
  2. Snails
  3. Ants
  4. Elephant.

Answer:2. Snails

Question 51. Which one of the following parts of the pistil receives the pollen during pollination?

  1. Stigma
  2. Ovule
  3. Micropyle
  4. Nucellus.

Answer:1. Stigma

Question 52. The following plant has pollination above ground but its fruit develops underground.

  1. Sweet potato
  2. Solarium tuberosum
  3. Onion.
  4. Arachis hypogea.

Answer:4. Arachis hypogea.

Question 53. Pollinia are sac-like structures in which :

  1. Anther lobes are present
  2. Anthers lose their individuality
  3. Pollen grains get fused in a mass.
  4. yellow substance is secreted.

Answer:3. Pollen grains get fused in a mas

Pollination And Fertilization MCQs For NEET

Question 54.Allog. um, though the biotic agency is called :

  1. Entomophily
  2. Ancmophily
  3. Hydrophily
  4. Both 1 and 2.

Answer:1 .Entomophily

Question 55. Chiropterophilous flowers possess :

  1. coloured petals
  2. Abundant nectar
  3. Hydrophily
  4. Less pollen.

Answer:2. Abundant nectar

Question 56. pollination of pinus is:

  1. Entomophilous
  2. Anemophilous
  3. Hydrophily
  4. Malacophily.

Answer:2. Anemophilous

Question 57. In Salvia, pollination takes place by :

  1. Animals
  2. Insects
  3. Air
  4. Water.

Answer:2. Insects

Question 58. The entry of the pollen tube into the embryo sac through the integuments is termed as :

  1. Porogamv
  2. Chalazogamy
  3. Monogamy
  4. Both  1  and 2.

Answer:3. Mesogamy

Question 59.512 microspores will be formed following meiosis How many spores?

  1. 16
  2. 64
  3. 128
  4. 256.

Answer:3. 128

Question 60. An example of triploid tissue is :

  1. Onion leaf
  2. Onion root
  3. Maize endosperm
  4. Fern prothallus.

Answer:3. Maize endosperm

Pollination And Fertilization MCQs For NEET

Question 61. Triploid plants can be obtained from the culture of :

  1. Pollen
  2. Endosperm
  3. Megaspore
  4. Ovule.

Answer:2. Endosperm

Question 62.After fertilization synergids and antipodal cells form :

  1. Embryo
  2. spore
  3. Endosperm
  4. None of the above.

Answer:4. None of the above.

Question 63. Pollen grain in angiosperm develops from :

  1. Endothecium
  2. Tapetum
  3. Sporogenous tissue
  4. Middle layer.

Answer:3. Sporogenous tissue

Question 64.The nucellus of the ovule is :

  1. Haploid
  2. Diploid
  3. Triploid
  4. Polyploid.

Answer:2. Diploid

Question 65. In the case of angiosperms, the embryo sac represents :

  1. Female gametophyte
  2. Sporophyte
  3. Male gametophyte
  4. All the above.

Answer:1. Female gametophyte

Question 66. The other wall consists of four wall layers where :

  1. The tapetum lies just inner to endothecium
  2. Middle layers lie between endothecium and tapetum
  3. Endothecium lies inner to middle layers
  4. The tapetum lies next to the epidermis.

Answer:2. Middle layers lie between endothecium and tapetum

Pollination And Fertilization MCQs For NEET

Question 67. Emasculation is achieved by :

  1. Removal of anthers
  2. Removal of stigma
  3. Removal, of gynoecium
  4. Removal of calyx and corolla.

Answer:1. Removal of anthers

Question 68. A (lower pan whose primary MLC is protection, is the :

  1. Stamen
  2. Ovary
  3. Sepal
  4. Embryo sac.

Answer:3. Sepal

Question 69. In a fully developed male gametophyte, the number of nuclei is:

  1. One
  2. Two
  3. Three
  4. Four.

Answer:3. Three

Question 70. The mature anther wall comprises an epidermis followed by a layer of radially elongated cells with fibrous bands of callose called endothecium whose function is :

  1. Nutrition
  2. Protection
  3. Mechanical
  4. Dehiscence.

Answer:4. Dehiscence.

Pollination And Fertilization MCQs For NEET

Question 71. The innermost layer of the anther is the tapetum whose function is

  1. Dehiscence
  2. Mechanical
  3. Nutrition
  4. Protection.

Answer:3. Nutrition

Question 72. Ovule represents :

  1. Hierpsporangium
  2. Megasporangium
  3. Gametophyte
  4. Embryo.

Answer:2. Megasporangium

Question 73. The female plant is diploid and the male plant is tetraploid. Find out the correct match.

Reproduction In Angiosperms Diploid And Male Plant Is Tetraploid

Answer: 1. 3n  4n  2n  n  2n  4n

Question 74. Mature ovules are classified based on the funiculus. If the micropyle comes to lie close to the funiculus the ovule is termed as :

  1. Orthotropous
  2. Anatropous
  3. Amphitropous
  4. Campylotropous.

Answer:2. Anatropous

Question75. In a bisexual flower when the gynoecium matures earlier than another, it is called:

  1. Protandry
  2. Protbgyny
  3. Herkogyny
  4. None of the above.

Answer:2 .Protbgyny

Question 76. Plants which flower only once in life are termed as:

  1. Polycarpic
  2. Monocarpic
  3. Pericarpic
  4. Leucas.

Answer:2. Monocarpic

Double Fertilization In Plants NEET MCQs

Question 77. Translators are found in :

  1. Calotropis flower
  2. Hibiscus
  3. Vinca flower
  4. Leucas.

Answer:1. Calotropis flower

Question 78. When the micropyle, chalaza and hilum he in a straight line, the ovule is said to be :

  1. Anatropous
  2. Orthotropous
  3. Amphitropous
  4. Campylotropous.

Answer:2. Orthotropous

Question 79. Double fertilization was first described by :

  1. Hofmeister
  2. Nawaschin
  3. Strasburger
  4. Leeuwenhoek.

Answer: 2. Nawaschin

Question 80. The secondary nucleus after fusing with one of the male gametes develops into :

  1. Embryo
  2. Seed
  3. Endosperm
  4. Fruit.

Answer: 3. Endosperm

Question 81. The fusion of the male gamete with the secondary nucleus of the embryo sac is the process of:

  1. Fertilization
  2. Double fertilization
  3. Parthenocarpy
  4. Parthenogenesis.

Answer: 2. Double fertilization

Question 82. The fertilization occurs in the :

  1. Ovary
  2. Ovule
  3. Embryo sac
  4. Nucellus.

Answer: 3. Embryo sac

Double Fertilization In Plants NEET MCQs

Question 83. In the diagram given above, parts labelled as *P\ ‘Q\ ‘R’,‘S’, ‘T\ ‘U’ are respectively identified as

Reproduction-In-Angiosperms-Fertilization

  1. synergids, polar nuclei, central cell, antipodal cell, filiform apparatus and egg.
  2. polar nuclei egg, antipodal cell, central cell, filiform apparatus and synergids.
  3. egg, synergids, central cell, filiform apparatus, antipodal cell and polar nuclei
  4. central cell, polar nuclei, filiform apparatus, antipodal cell, synergids and egg.

Answer: 1. synergids, polar nuclei, central cell, antipodal cell, filiform apparatus and egg.

Question 84. If an endosperm cell of an angiosperm contains 24 chromosomes, the number of chromosomes in each cell of the root will be :

  1. 8
  2. 4
  3. 16
  4. 24.

Answer: 4. 16

Question 85.In ovule meiosis occurs in :

  1. Megaspore
  2. Megaspore mother cell
  3. Endosperm
  4. Integument

Answer: 2. Megaspore mother cell

Question 86.The female gametophyte of a typical dicot at the time of
fertilization is :

  1. 8-celled
  2. 7-celled
  3. 6-celled ‘
  4. 4-celled.

Answer: 2. 7-celled

Question 87. Development of embryo sac from any cell of nucellus is called :

  1. Apogamy
  2. Apospory
  3. Parthenogenesis
  4. Sporogenesis.

Answer: 2. Apospory

Double Fertilization In Plants NEET MCQs

Important MCQs on Reproduction in Flowering Plants Question 88. The method of fertilization (in an angiosperm) in which the pollen tube enters the ovule by way of micropyle is known as:

  1. Chalazogamy
  2. Porogamy
  3. Microgamy
  4. Syngamy.

Answer: 2. Porogamy

Question 89. Simple fruit develops from :

  1. The single ovary which is simple
  2. The single ovary which is a compound
  3. The single ovary which may be simple or compound
  4. None of the above.

Answer: 3 . The single ovary which may be simple or compound

Question 90. Parthenocarpic fruit is :

  1. Fruit with immature seeds
  2. Fruit, with mature seed
  3. Developed without fertilization
  4. Only seeds and no fruits.

Answer: 3. Developed without fertilization

Question 91. After fertilization, the ovary is converted into :

  1. Embryo
  2. Endosperm
  3. Seed
  4. Fruit.

Answer: 4. Fruit.

Question 92. Perisperm in angiosperm seed is derived from :

  1. Nucellus
  2. Endosperm
  3. Integuments
  4. Antipodal cells.

Answer: 1. Nucellus

Question 93. The entry of the pollen tube into the embryo sacs through the chalaza is called :

  1. Porogamy
  2. Monogamy
  3. Chalazogamy
  4. C either A or B.

Answer: 3. Chalazogamy

Question 94.Ovule is ategenic in :

  1. Helianthus
  2. Pea
  3. Santalum
  4. Brassica.

Answer: 3. Santalum

Question 95. Vivipary is of common occurrence in

  1. Halophytes
  2. xerophytes
  3. Hydrophytes
  4. Psaminophytes.

Answer: 1. Halophytes

Sexual Reproduction In Flowering Plants MCQs NEET

Question 96. Polyembryony commonly occurs in < 0

  1. Turmeric
  2. Tomato.
  3. Potato
  4. Citrus.

Answer: 4. Citrus.

Question 97. The main embryo develops from the structure formed as a result of fusion of:

  1. Two polar nuclei of embryo sac
  2. Egg cell and male gamete
  3. Synergid and male gamete
  4. Male gamete and antipodals.

Answer: 2. Egg cell and male gamete

Question 98. The function of an obturator for any ovular structure is to :

  1. Nourish ovule
  2. Nourish pollen grains
  3. Guide pollen tube towards micropyle
  4. Keep the ovule alive.

Answer: 3. Guide pollen tube towards micropyle

Question 99. The term xenia denotes the effect of the following:

  1. Pollen on endosperm
  2. Pollen on egg
  3. Pollen on nucellus
  4. Pollen on the seed coat.

Answer: 1. Pollen on endosperm

Question 100. Polygonum type of embryo sac is:

  1. 8-nucleate, 7-celled
  2. 8-nucleate, 8-celled
  3. 7-nucleate, 7-celled
  4. 4-nucleate, 3-celled.

Answer: 1. 8-nucleate, 7-celled

Question 101. Which of the following statements is true for the pollen tube :

  1. It shows the growth of intent
  2. It is composed of three non-cellular zones
  3. It shows thigmotactic movement
  4. It shows cytoplasmic streaming.

Answer: 1. It shows the growth of intent

Sexual Reproduction In Flowering Plants MCQs NEET

Question 102. Lire seed coat develops from the

  1. Sepals
  2. Ovary wall
  3. Ovule wall
  4. Endosperm.

Answer: 3. Ovule

Question 103. Which of the following is required for germination of
seeds?

  1. Certain temperature conditions
  2. Oxygen
  3. Water
  4. All the above.

Answer: 4. All the above.

Question 104. The fusion of egg with male gamete is called :

  1. Syngamy
  2. Apogamy
  3. Autogamy
  4. None of the above.

Answer: 1. Syngamy

Question 105. In angiosperms, the oospore on development produces :

  1. Endosperm
  2. Protonema
  3. Embryo
  4. Seed.

Answer: 3. Embryo

Question 106. A female gametophyte would be found in the :

  1. Ovule
  2. Stigma
  3. Endosperm
  4. Seed.

Answer: 1. Ovule

Sexual Reproduction In Flowering Plants MCQs NEET

Question 107. Pollen grain gets nutrition fronts

  1. Endothecium
  2. Tape turn
  3. Sporogenous sac
  4. Middle layer.

Answer: 2 . Tape turn

Question 108 .The nucellus of the ovule is :

  1. Haploid
  2. Diploid
  3. Triploid
  4. Polyploid.

Answer: 2 .Diploid

Sexual Reproduction In Flowering Plants MCQ For NEET Question109 .The diagram given below shows ovules megasporogenesis and megagametogenesis in an angiosperm named Polygonum.

 

Reproduction In Angiosperms Megasporogenesis

Reduction division takes place at which step?

  1. Step 1
  2. Step 2
  3. Steps 2 and 3
  4. Steps 3 and 4

Answer: 1. Step 1

Question 110. In the case of angiosperms, pollen grain produces :

  1. Female gametophyte
  2. Sporophyte
  3. Male gametophyte
  4. All the above.

Answer: 3. Male gametophyte

Question 111.Sexual reproduction in which morphologically and physiologically similar gametes fuse is termed as :

  1. Plasrnogamy
  2. Anisogamy
  3. Isogamy
  4. Oogamy.

Answer: 3. Isogamy

Question 112. A normal plant suddenly started reproducing parthenogenetically. ‘The number of chromosomes of the second generation as compared to the parent plant will be :

  1. Double
  2. Half
  3. One fourth
  4. same.

Answer: 4. same.

Important Questions On Reproduction In Flowering Plants

Question 113. If cotyledons remain below soil during germination, it is:

  1. Rhypogeal germination
  2. vivipary
  3. Epigeal germination
  4. None of the above.

Answer: 1. Rhypogeal germination

Question 114. Seeds are dispersed by :

  1. Water
  2. Living organism
  3. Wind
  4. All the above.

Answer: 4. All the above.

Question 115. Micropyle of ovule allows entry of:

  1. Pollen tube
  2. water
  3. Wind
  4. All the above.

Answer:  1. Pollen tube

Question 116. When seeds develop without meiosis and syngamy, the phenomenon is :

  1. Parthenogenesis
  2. Parthenocarpy
  3. Agamospermy
  4. Apogamy.

Answer: 4. Apogamy.

Question 117. The inner integument of the majority of the dicot seed is :

  1. Hypocotyl
  2. Scutellum
  3. Funicle
  4. Tegmen

Answer: 4. Tegmen

Question 118. Epigeal seed germination is found in :

  1. Wheat
  2. Castor
  3. Pea
  4. Maize.

Answer:  2. Castor

Question 119. Which of the following statements is correct?

  1. In angiosperms, the main plant body is gametophytic and
    sporophytic generation is reduced
  2. In angiosperms, the main plant body is sporophytic and gametophytic
    generation is altogether absent
  3. In angiosperms the main plant body is sporophytic and the male and
    female gametophytes are represented by pollen and embryo sacs respectively
  4. In angiosperms, the ovules and anthers are gametophytic whereas all other parts are sporophytic.

Answer: 3. In angiosperms the main plant body is sporophytic and the male and female gametophytes are represented by pollen and embryo sacs respectively

Question 120. Monosporic, 8 nucleate embryo sac is called :

  1. Allium type
  2. Oenothera type
  3. Polygonum type
  4. Peperomia type.

Answer:  3. Polygonum type

Question 121. An example of triploid tissue is :

  1. Fern prothallus
  2. Cycas ovule
  3. Lily endosperm
  4. Moss capsule.

Answer : 3 . Lily endosperm

Question 122. If soaked pea seeds are kept in four separate flasks, the best germination will be in the flask having :

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Water.

Answer: 1. Oxygen

Important Questions On Reproduction In Flowering Plants

Question123.Which of the following plants are likely to have a wider range of distribution?

  1. Those distributed by seeds
  2. Those distributed by spores
  3. Those distributed vegetatively
  4. Those distributed by fruits.

Answer: 1. Those distributed by seeds

Question 124. In albuminous seeds, the food is stored mostly in :

  1. Cotyledons
  2. Endosperm
  3. Testa
  4. Plumule.

Answer: 2. Endosperm

Question125.For the formation of 50 zygotes in a tobacco plant, the minimal number of meiosis involved would be:

  1. 59
  2. 63
  3. 99
  4. 109.

Answer: 2. 63

Question 126.In angiosperms normally after fertilization:

  1. The zygote divides earlier than the primary endosperm nucleus
  2. The primary endosperm nucleus divides earlier than the zygote
  3. TO both the zygote and primary endosperm nuclei divulge simultaneously
  4. Both the /vote and primary endosperm nuclei undergo a resting period.

Answer: 2. The primary endosperm nucleus divides earlier than the zygote

Question1 27. Match the two columns and select the correct answer

Reproduction In Angiosperms Moniecious

P Q  R S

  1. 3  2  4  1
  2. 2  3  4  1
  3. 2  3  1  4
  4. 1  2  3  4

Answer: 2. 2  3  4  1

Question 128. Match column-1 with column-2 and select the correct option from the codes given below.

Reproduction-In-Angiosperms-Tallest

 

  1. 1→ B  2 →D  →3→ A  4→ 3
  2. 1 →B  2→ D  3 →C  4 →A
  3. 1 →C  2→ B  3 →A  4 →D
  4. 1 →D  2 →C  3→ B  4 →A

Answer: 1. 1→ B  2 →D  →3→ A  4→ 3

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