Sexual Reproduction In Flowering Plants — DPP 3

20 NEET questions from Sexual Reproduction In Flowering Plants, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
Each cell of sporogenous tissue is potential pollen or microspore mother cell; Division taking place in sporogenous cell is :-
  1. A Meiosis
  2. B Mitosis
  3. C Endomitosis
  4. D Amitosis
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Correct answer: A

2
If diploid female plant is crossed with tetra ploid male plant. What would be ploidy level of seed coat: -
  1. A 3n
  2. B n
  3. C 2n
  4. D 4n
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Correct answer: C

3
Floriculture is related with :-
  1. A Rearing of Bees
  2. B Embryo culture
  3. C Tissue culture
  4. D Cultivation of flower
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Correct answer: D

4
Outer seed coat is known as :-
  1. A Aril
  2. B Testa
  3. C Operculum
  4. D Caruncle
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Correct answer: B

5
The main embryo is developed as a result of:-
  1. A Pollination
  2. B Triple fusion
  3. C Syngamy
  4. D Fusion of two polar nuclei of an embryo sac
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Correct answer: C

6
Which of the following is the tallest flower?
  1. A Vallisneria
  2. B Rafflesia
  3. C Amorphophallus
  4. D Zostera
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Correct answer: C

7
Which one of the following statements is correct?
  1. A Tapetum nourishes the developing pollen
  2. B Hard outer layer of pollen is called intine
  3. C Sporogenous tissue is haploid
  4. D Endothecium produces the micorspores
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Correct answer: A

8
Perisperm is present in :-
  1. A Beet
  2. B Black pepper
  3. C Both (1) & (2)
  4. D All angiosperms
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Correct answer: C

9
The portion of embryonal axis above the level of cotyledons is the __________ and portion below the level of cotyledons is _______ in dicotyledonous embryo :-
  1. A Epicotyl, hypocotyl
  2. B Hypocotyl, epicotyl
  3. C Epicotyl, plumule
  4. D Hypocotyl, plumule
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Correct answer: A

10
Nucellar polyembryony is reported in species of:-
  1. A Citrus
  2. B Mango
  3. C Both (1) & (2)
  4. D Capsella
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Correct answer: C

11
Which one of the following pairs of plant structures has haploid number of chromosomes?
  1. A Nucellus and antipodal cells
  2. B Egg nucleus and secondary nucleus
  3. C Megaspore mother cell and antipodal cells
  4. D Egg cell and antipodal cells
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Correct answer: D

12
What will be the ploidy of the cells of the nucellus, MMC, the functional megaspore and female gametophyte?
  1. A Diploid, haploid, diploid and haploid.
  2. B Diploid, diploid, haploid and haploid.
  3. C Haploid, haploid, diploid and diploid.
  4. D Haploid, diploid, diploid and haploid.
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Correct answer: B

13
Entry of pollen tube through micropyle is called:-
  1. A Porogamy
  2. B Syngamy
  3. C Chalazogamy
  4. D Mesogamy
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Correct answer: A

14
Endosperm is formed during the double fertilization by :-
  1. A Two polar nuclei and one male gamete
  2. B One polar nuclei and one male gamete
  3. C Ovum and male gamete
  4. D Two polar nuclei and two male gametes
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Correct answer: A

15
What is common between vegetative reproduction and Apomixis ?
  1. A Both produces progeny identical to the parent.
  2. B Both are applicable to only dicot plants.
  3. C Both bypass the flowering phase.
  4. D Both occur round the year.
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Correct answer: A

16
The fusion product of secondary nucleus and male gamete is:-
  1. A Nucellus
  2. B Primary endosperm nucleus
  3. C Zygote
  4. D Secondary nucleus
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Correct answer: B

17
If the nucellus cell of an Angiosperm contains 24 chromosomes the number of chromosomes present in pollen grain, endosperm & embryo will be:-
  1. A 24, 36, 24
  2. B 12, 36, 24
  3. C 12, 24, 36
  4. D 24, 12, 12
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Correct answer: B

18
A typical angiosperm anther is :
  1. A Bilobed, dithecous and tetrasporangiate.
  2. B Bilobed, monothecous and bisporangiate.
  3. C Bilobed, monothecous and tetrasporangiate.
  4. D Bilobed, dithecous and bisporangiate.
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Correct answer: A

19
Identify the correct set of statements for angiosperms:-
(a) Development of angiosperm seed occur inside the ovary / fruit
(b) Typical embryo sac in angiosperms is seven celled and eight nucleated
(c) Free nuclear divisions occur during embryogenesis in angiosperms
(d) Filliform apparatus present in ovule secrets chemicals, which attract pollen tube toward synergids
(e) Development of female gametophyte in typical angiosperms is monosporic.
Choose the correct answer from the given options below.
  1. A a, d and e
  2. B b, d and e
  3. C a, b, d and e
  4. D b, c, d and e
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Correct answer: C

20
In a mature dehisced anther, the anther wall consists of :-
  1. A Epidermis and middle layer
  2. B Epidermis and endothecium
  3. C Endothecium and tapetum
  4. D Epidermis and tapetum
Show answer

Correct answer: B

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