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Reproduction in flowering plants Quiz-05

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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions. About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus. Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced. .

Q1.   Individual part or segment of calyx is called
  •  Sepal
  •  Petal
  •  Tepal
  •  Corolla
Solution
(a) Calyx Accessory part of the flower. The individual leaf of calyx is called sepal. They may be green or variously coloured. Function protection of flower

Q2.   The process in which haploid embryo is formed from haploid egg without fertilization is called
  •  Apospory
  •  Agamospermy
  •  Apogamy
  •  Vegetative reproduction
Solution
(b) Apomixis or agamospermy is a reproductive process in plants that superficially resembles normal sexual reproduction but in which there is no fusion of gametes. In some apomictic flowering plants, there is no fertilization by pollen and the embryos develop simply by division of a diploid cell of the ovule.

Q3.   Aleurone layer is found in
  •  Dicotyledons
  •  Monocotyledons
  •  Both (a) and (b)
  •  None of these
Solution
(b) Aleurone layer is the layer surrounds the endosperm. It is made up of protein. It is found only in mococotyledons

Q4.   Male gamete in angiosperm is produced by
  •  Generative cell
  •  Microspore cell
  •  Vegetative cell
  •  Tube cell
Solution
(a) In angiosperm, male gametophyte consists of a tube cell and generative cell. The generative cell divides to form two male gametes.

Q5.   How many cells are found in female gametophyte?
  •  6
  •  8
  •  7
  •  5
Solution



Q6.   Pollens outer layer is called …A… . This is made up of …B… . This is absent on the …C… . Fill in the blanks A, B and C
  •  A-Intine, B-organic compound, C-micropyle
  •  A-exine, B-sporopollenin, C-germ pore
  •  A-exine, B-intine, C-micropyle
  •  A-micropyle, B-intine, C-exine
Solution
(b) A-Exine, B-Sporopollenin, C-Germ pore

Q7.   A normal plant suddenly started reproducing parthenogenetically. The number of chromosomes of the second generation as compared to the parent will be
  •  One half
  •  One fourth
  •  Same
  •  Double
Solution
(a) In parthenogenesis, the number of chromosomes of the second generation as compared to the parent remains half.

Q8.   What is the ratio of equational divisions that take place in Cycas and angiosperms respectively leading to the formation to male gametes from pollen grains?
  •  3: 2
  •  3: 1
  •  2: 1
  •  2: 3
Solution
(c) 2:1 is the right answer.

Q9.   In which one pair, both the plants can be vegetatively propagated by leaf pieces?
  •  Bryophyllum and kalanchoe
  •  Chrysanthemum and Agave
  •  Agave and kalanchoe
  •  Asparagus and Bryophyllum
Solution
(a) Both Bryophyllum and kalanchoe are propagated by leaf pieces.

Q10.   Syngamy is the process in which
  •  Male gamete fuses with female gamete
  •  Pollen tube enter into the ovule through micropyle
  •  Pollen tube enter into the ovule through chalaza
  •  Vegetative cell and tube cell fuse
Solution
(a) Syngamy is the fusion of gametes, i.e, the union of nuclei of male gamete and female gamete in the process of reproduction. In angiosperms, generative fertilization is also called, syngamy.


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Reproduction in flowering plants Quiz-05
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