The ovule of an angiosperm is technically equivalent to:

1. megasporangium

2. megasporophyll

3. megaspore mother cell

4. megaspore

Subtopic:  Pistil: Ovule |
 71%
From NCERT
NEET - 2016
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Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:

1. Bee

2. Wind

3. Bat

4. Water

Subtopic:  Pollination & Outbreeding Devices |
 75%
From NCERT
NEET - 2017
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A dioecious flowering plant prevents both:

1. Autogamy and geitonogamy

2. Geitonogamy and xenogamy

3. Cleistogamy and xenogamy

4. Autogamy and xenogamy

Subtopic:  Pollination & Outbreeding Devices |
 85%
From NCERT
NEET - 2017
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Double fertilization is exhibited by:

1. Algae

2. Fungi

3. Angiosperms

4. Gymnosperms

Subtopic:  Double Fertilization |
 92%
From NCERT
NEET - 2017
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Which one of the following statements is not true?
1. Exine of pollen grains is made up of sporopollenin
2. Pollen grains of many species cause severe allergies
3. Stored pollen in liquid nitrogen can be used in crop breeding programs
4. Tapetum helps in the dehiscence of anther
Subtopic:  Stamen: Anther |
 90%
From NCERT
NEET - 2016
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Proximal end of the filament of stamen is attached to the?
1. connective 2. placenta
3. thalamus or petal 4. anther
Subtopic:  Stamen: Anther |
 87%
From NCERT
NEET - 2016
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The coconut water from tender coconut represents?
1. fleshy mesocarp
2. free - nuclear proembryo
3. free - nuclear endosperm
4. endocarp
Subtopic:  Endosperm |
 93%
From NCERT
NEET - 2016
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Which of the following statements is not correct?

1. Insects that consume pollen or nectar without bringing about pollination are called pollen-nectar robbers
2. Pollen germination and pollen tube growth are regulated by chemical compounds of pollen interacting with those of the pistil
3. Some reptiles have also been reported as pollinators in some plant species
4. Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.

Subtopic:  Pollen - Pistil Interaction |
 73%
From NCERT
NEET - 2016
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Seed formation without fertilization in flowering plants involves the process of?
1. budding
2. somatic hybridization
3. apomixis
4. sporulation
Subtopic:  Apomixis & Polyembryony |
 95%
From NCERT
NEET - 2016
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Filiform apparatus is a characteristic feature of?

1. Generative cell

2. nucellar embryo

3. aleurone cell

4. synergids

Subtopic:  Pistil: Female Gametophyte |
 90%
From NCERT
NEET - 2015
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