Reproduction

IMPORTANT

Reproduction: Overview

This topic covers concepts such as Cuttings in Vegetative Propagation, Vegetative Propagation, Reproduction, Pollination, Pollen Grains, Carpels, Gynoecium, Agents for Pollination, Calyx, Corolla, Sexual Reproduction, Cross-Pollination, etc.

Important Questions on Reproduction

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In gymnosperms, the endosperm is _____ and is equivalent to a female gametophyte, hence haploid in nature.

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The pollen tube enters the embryo sac through the _____ end.

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Which of the following is/are the essential whorls of a bisexual flower?

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Which of the following plants are grown by vegetative propagation?

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An embryo cannot be cultured using micropropagation.

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Give one word for removing a portion of the stem and fixing it in the soil to allow its growth.

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In the process of micropropagation, some tissue or cells are extracted from 'A'. These cells are then transferred to the culture medium, where they divide to form 'B'. With the addition of some 'C' into the culture medium, 'D' is obtained. 'D' can then be transferred to the soil for growth.

Which among A, B, C, and D signify plantlets?

MEDIUM
IMPORTANT

In the process of micropropagation, some tissue or cells are extracted from 'A'. These cells are then transferred to the culture medium, where they divide to form 'B'. With the addition of some 'C' into the culture medium, 'D' is obtained. 'D' can then be transferred to the soil for growth.

Which among A, B, C, and D signify plant hormones?

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The terminologies related to micropropagation are

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In a neutral flower, both androecium and _____ (venation/ gynoecium/ receptacle/ inflorescence) are absent.

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In _____ inflorescence, the main axis never ends.

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Which of the following is/ are not a characteristic of a staminate flower?

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Which of the following is/ are not a characteristic of a pistillate flower?

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Name the kind of fertilization that occurs between male and female gametes of the same organism, whether it is exogamy or autogamy.

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Pollen grain has two nuclei one is called generative nucleus and the other one is called (polar nucleus/ tube nucleus):

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In micropropagation, plant cells or tissues are formed by in vivo culture.

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Which of the following plants are grown in a large scale with the help of micropropagation?

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What is the name of a cushion-like structure in the ovary wall in which the ovule get attached?

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The stalk of the ovule is called the hilum.

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IMPORTANT

Fill in the blank with the correct option from the bracket.

Megasporangium is equivalent to _____. (ovary, embryo sac, ovule, pollen sac)