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Reproduction in Organisms

AIPMT 2001MCQHard📈 Topic in 12% papers+4−1
Ques. 1AIPMT 2001

During regeneration, modification of an organ to other organ is known as

  1. morphogenesis
  2. epimorphosis
  3. morphallaxis
  4. accretionary growth

Answer

(2) epimorphosis

Solution

Epimorphosis is regeneration in which the lost part is replaced by the formation of a blastema at the cut surface, whose cells proliferate and differentiate into a new structure.

In such epimorphic regeneration the new structure formed may be an organ different from the one that was lost (e.g. an antenna-like organ formed in place of an eye in crustaceans — heteromorphosis), i.e. one organ is modified into another.

∴ The process is epimorphosis.

Answer: (2)

Out of syllabus

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Ques. 2NEET (UG) 2022 (Phase 2)

Match List-I with List-II Choose the correct answer from the options given below :

  1. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
  2. (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
  3. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  4. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
Ques. 3NEET (UG) 2021

Which of the following plants is monoecious?

  1. Cycas circinalis
  2. Carica papaya
  3. Chara
  4. Marchantia polymorpha
Out of syllabus
Ques. 4NEET (UG) 2019

In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as :

  1. Syngamy
  2. Parthenocarpy
  3. Parthenogenesis
  4. Autogamy
Ques. 5NEET 2018

Offsets are produced by

  1. parthenocarpy
  2. parthenogenesis
  3. meiotic divisions
  4. mitotic divisions
Out of syllabus
Ques. 6NEET 2018

Which of the following flowers only once in its lifetime?

  1. Papaya
  2. Bamboo species
  3. Jackfruit
  4. Mango
Out of syllabus
Ques. 7NEET 2016 (Phase 2)

Which one of the following statements is not correct?

  1. Offspring produced by the asexual reproduction are called clone.
  2. Microscopic, motile, asexual reproductive structures are called zoospores.
  3. In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
  4. Water hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.
Out of syllabus
Ques. 8NEET 2016 (Phase 2)

Which one of the following generates new genetic combinations leading to variation?

  1. Vegetative reproduction
  2. Parthenogenesis
  3. Sexual reproduction
  4. Nucellar polyembryony
Out of syllabus
Ques. 9NEET 2016 (Phase 2)

Match column I with column II and select the correct option using the codes given below.

  1. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  3. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
  4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
Out of syllabus
Ques. 10AIPMT 2015

Which of the following pairs is not correctly matched?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Out of syllabus
Ques. 11AIPMT 2015 (Cancelled)

In ginger, vegetative propagation occurs through

  1. bulbils
  2. runners
  3. rhizome
  4. offsets.
Out of syllabus

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