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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

Refer to the given stages of megaspore and embryo sac development shown below. What is the correct sequence of structures depicted in (a)?

  1. Megaspore mother cell -> Megaspore dyad -> Megaspore tetrad
  2. Megaspore tetrad -> Megaspore dyad -> Functional megaspore
  3. Megaspore mother cell -> 2-nucleate stage -> 4-nucleate stage
  4. Megaspore dyad -> Megaspore tetrad -> Mature embryo sac

Correct answer · Option 1

Megaspore mother cell -> Megaspore dyad -> Megaspore tetrad

Explanation

Figure 1.8(a) displays the stages of megasporogenesis: megaspore mother cell, followed by a megaspore dyad, and then a megaspore tetrad.
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