The correct description of the structure shown in the figure would be:

  
 

1.  Anatropous ovule; 1 – Nucellus; 2 – Chalaza; 3 – Raphe; 4 – Funiculus
2.  Orthotropous ovule; 1 – Nucellus; 2 – Micropyle; 3 – Raphe; 4 – Funiculus
3.  Anatropous ovule; 1 – Nucellus; 2 – Chalaza; 3 – Funiculus; 4 – Raphe
4.  Anatropous ovule; 1 – Nucellus; 2 – Micropyle; 3 – Raphe; 4 – Funiculus

Subtopic:  Pistil: Ovule |
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When the embryosac develops from a single functional megaspore [the other three get generate], it is called as:

1.  Monosporic 2.  Bisporic
3.  Trisporic 4.  Tetrasporic

Subtopic:  Pistil: Ovule |
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A typical angiosperm embryosac, at maturity, is:

1.8 celled and 8 nucleate2.8 celled and 7 nucleate
3.7 celled and 8 nucleate4.7 celled and 7 nucleate

Subtopic:  Pistil: Ovule |
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Identify the incorrectly matched pair:

Cell    Ploidy
1. Cells of nucellus           Diploid
2. Megaspore mother cell      Haploid
3. Functional megaspore    Haploid
4. Cells of female gametophyte    haploid
Subtopic:  Pistil: Ovule | Pistil: Female Gametophyte |
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The body of the ovule fuses with the funicle in the region called:

1. Chalaza
2. Micropyle
3. Hilum
4. Nucellus

Subtopic:  Pistil: Ovule |
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