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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In angiosperms, microsporogenesis and megasporogenesis?

1. Occur in anther

2. Form gametes without further divisions

3. Involve meiosis

4. Occur in ovule

Subtopic:  Stamen: Male Gametophyte | Pistil: Female Gametophyte |
 83%
From NCERT
NEET - 2015
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Coconut water from a tender coconut is?

1. Immature embryo

2. Free nuclear endosperm

3. Innermost layers of the seed coat

4. Degenerated nucellus

Subtopic:  Endosperm |
 96%
From NCERT
NEET - 2015
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Which one of the following fruits is parthenocarpic?

1. Brinjal

2. Apple

3. Jackfruit

4. Banana

Subtopic:  Fruit |
 87%
From NCERT
NEET - 2015
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Male gametophyte in angiosperms produces?

1. Two sperms and a vegetative cell

2. Single sperm and a vegetative cell

3. Single sperm and two vegetative cells

4. Three sperms

Subtopic:  Stamen: Male Gametophyte |
 77%
From NCERT
NEET - 2015
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Which one of the following may require pollinators, but is genetically similar to autogamy?

1. Geitonogamy 2. Xenogamy
3. Apogamy 4. Cleistogamy

Subtopic:  Pollination & Outbreeding Devices |
 86%
From NCERT
NEET - 2015
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Which one of the following statements is not true?

1. Pollen grains are rich in nutrients and they are used in the
form of tablets and syrups
2. Pollen grains of some plants cause severe allergies and
bronchial afflictions in some people
3. The flowers pollinated by flies and beetles secrete foul odour
to attract them
4. Honey is made by bees by digesting pollen collected from
flowers

Subtopic:  Stamen: Male Gametophyte |
 73%
From NCERT
NEET - 2015
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