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Test: Reproduction in Plants - UPSC MCQ


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10 Questions MCQ Test - Test: Reproduction in Plants

Test: Reproduction in Plants for UPSC 2024 is part of UPSC preparation. The Test: Reproduction in Plants questions and answers have been prepared according to the UPSC exam syllabus.The Test: Reproduction in Plants MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Reproduction in Plants below.
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Test: Reproduction in Plants - Question 1

Reproductive part of a plant is the

Detailed Solution for Test: Reproduction in Plants - Question 1
  • Reproductive parts include flowers, fruits and seeds whereas the vegetative parts of the plant are leaf, stem, roots and leaves. The chief function of the flowers is sexual reproduction. They achieve fertilization with the process of pollination.
  • Flower is the reproductive part of an angiospermic plant containing male and female reproductive organs.
Test: Reproduction in Plants - Question 2

The process of fusion of the female and male gamete is called

Detailed Solution for Test: Reproduction in Plants - Question 2

The process of fusion of male and female gametes is called fertilization. The fusion of male and female gametes, also known as sperm and ovary, usually occurs in the fallopian tube of the female reproductive system. The cell that results from the fusion of the gametes is called a zygote. The zygote divides multiple times to form the embryo inside the seed.

Test: Reproduction in Plants - Question 3

Within the reproductive structures of flowering plants, where is the site of male gamete formation?

Detailed Solution for Test: Reproduction in Plants - Question 3

In flowering plants, male gamete is formed inside Anther present at the top of Stamen.

Test: Reproduction in Plants - Question 4

In flowering plants, which structure serves as the enlarged basal portion of the pistil and contains ovules that develop into seeds upon fertilization?

Detailed Solution for Test: Reproduction in Plants - Question 4

In flowering plants, the ovary is the enlarged basal portion of the pistil, which is the female reproductive organ of a flower. The ovary contains ovules, which are structures that contain the female gametes or egg cells. After fertilization occurs, these ovules develop into seeds. The ovary itself undergoes further development and matures into a fruit, which protects the seeds and aids in their dispersal. So, the ovary plays a crucial role in the reproduction and propagation of flowering plants.

Test: Reproduction in Plants - Question 5

In plants, which type of flowers possess both the male reproductive structure (androecium) and the female reproductive structure (gynoecium)?

Detailed Solution for Test: Reproduction in Plants - Question 5

Flowers are called bisexual if they bear both androecium and gynoecium.

Test: Reproduction in Plants - Question 6

The small bulb-like projection coming out from yeast cell is called a ______.

Detailed Solution for Test: Reproduction in Plants - Question 6
  • Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. The small bulb-like projection coming out from the yeast cell is called a bud.
  • Organisms such as hydra use regenerative cells for reproduction in the process of budding.

Test: Reproduction in Plants - Question 7

Which one is a dicotyledonous plant?

Detailed Solution for Test: Reproduction in Plants - Question 7

Those plants whose seeds contain two cotyledons are called dicotyledonous plant. Gram is a dicotyledonous plant.

Test: Reproduction in Plants - Question 8

The mode of vegetative reproduction in which scion and stock are tied is called

Detailed Solution for Test: Reproduction in Plants - Question 8
  • Scion is the detached living part of the plant which is grafted to the stalk by the process of grafting.
  • Grafting is a horticulture technique where the living detached portion of the plant is used to regenerate the growth.
  • One plant is selected for its roots and this is called the stock or rootstock. The other plant is selected for its stems, leaves, flowers, or fruits and is called the scion.
  • The joining of scion and stalk is known as inosculation. The technique is mostly used in the asexual mode of reproduction. 

Test: Reproduction in Plants - Question 9

Which of the following do not produce asexual flower?

Detailed Solution for Test: Reproduction in Plants - Question 9

Asexual reproduction produces individuals that are genetically identical to the parent plant. It does not involve two parents, instead only a single parent is involved in this process. In asexual reproduction, the organism reproduces on its own without the help of other organisms. Seeds are formed as a result of the fusion of male and female gametes which occurs in sexual reproduction. In plants, vegetative reproduction is a type of asexual reproduction where an entire plant is obtained from the vegetative parts of a single parent.

Test: Reproduction in Plants - Question 10

Clone are

Detailed Solution for Test: Reproduction in Plants - Question 10

Asexually produced identical organisms are called clone. They contain similar characteristics.

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