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Which one of the most common embryo sac in flowering plant

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Important Questions on Sexual Reproduction in Flowering Plants

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 10
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 11
The hilum is a scar on the:
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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 12

Caruncle is derived from-

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 13
Perisperm is
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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 14

Match the items in column I with those in column II and choose the correct answer

  Column I   Column II
1. Funicle   The small opening of ovule
2. Integuments   Stalk of ovule
3. Chalaza   Protective envelopes of ovule
4. Hilum   Junction part of ovule and stalk
5. Micropyle   Basal part of the ovule

 

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 15
When the ovule is curved and embryo sac becomes horseshoe shaped, such an ovule is called
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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 16
Select the incorrect statement(s) regarding angiosperms:
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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 17
Embryo sac is