Consider the following statements about the "zygote" in plants: 1. It is formed after the process of fertilisation. 2. It is the last cell of the old generation and dies immediately. 3. It develops into an embryo. Which of the statements given above is/are correct?

The correct option is (c). Explanation In sexual reproduction, the zygote is the fundamental diploid cell formed by the fusion of haploid male and female gametes. It serves as the vital link ensuring the continuity of species between organisms of one generation and the next. Statement-wise Analysis: - Statement 1 is Correct: The zygote is formed as a direct result of fertilization (syngamy), where the male gamete fuses with the female gamete (egg cell). - Statement 2 is Incorrect: The zygote is the first cell of the new generation (the diploid sporophyte generation in plants), not the last cell of the old generation. Furthermore, it does not die immediately; it is a vital living cell that undergoes division (mitosis) to sustain the life cycle. - Statement 3 is Correct: After formation, the zygote undergoes cell division and differentiation to develop into an embryo. This process of development is known as embryogenesis. Key Takeaway: The zygote is the product of fertilization and represents the beginning of the new diploid generation, eventually developing into a mature organism through the embryonic stage.

Consider the following statements about the "zygote" in… - NCERT Class 7 Science MCQ

NCERT Class 7 Science — Chapter 4: Reproduction in plants

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Consider the following statements about the "zygote" in plants:

It is formed after the process of fertilisation.
It is the last cell of the old generation and dies immediately.
It develops into an embryo.

Which of the statements given above is/are correct?

NCERT textbook question

From NCERT Science - class 7 · Page 6

Options

A1 and 2 only
B2 only
C1 and 3 only
D1, 2 and 3

Did you get this right?

Solution

The correct option is (c).

Explanation

In sexual reproduction, the zygote is the fundamental diploid cell formed by the fusion of haploid male and female gametes. It serves as the vital link ensuring the continuity of species between organisms of one generation and the next.

Statement-wise Analysis:

Statement 1 is Correct: The zygote is formed as a direct result of fertilization (syngamy), where the male gamete fuses with the female gamete (egg cell).
Statement 2 is Incorrect: The zygote is the first cell of the new generation (the diploid sporophyte generation in plants), not the last cell of the old generation. Furthermore, it does not die immediately; it is a vital living cell that undergoes division (mitosis) to sustain the life cycle.
Statement 3 is Correct: After formation, the zygote undergoes cell division and differentiation to develop into an embryo. This process of development is known as embryogenesis.

Key Takeaway:
The zygote is the product of fertilization and represents the beginning of the new diploid generation, eventually developing into a mature organism through the embryonic stage.

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Consider the following statements regarding the "eyes" of a potato and the "buds" of Bryophyllum: 1. Only potato eyes are vegetative structures, while Bryophyllum buds are reproductive. 2. Potato eyes are located on the stem, while Bryophyllum buds are on the leaf. 3. Both require burial in soil to germinate. Which of the statements given above is/are correct?

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In a flowering plant, where is the female gamete located prior to fertilisation?

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