The coconut water from tender coconut represents

(1) fleshy mesocarp

(2) free-nuclear proembryo

(3) free-nuclear endosperm

(4) endocarp

Subtopic:  Endosperm |
 92%
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 components 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:  Pollination & Outbreeding Devices | Post Pollination Events |
 69%
From NCERT
NEET - 2016
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Seed formation without fertilisation 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 characteristic feature of

1. generative cell

2. nucellar embryo

3. aleurone cell

4. synergids

Subtopic:  Pistil: Female Gametophyte |
 91%
From NCERT
NEET - 2015
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Which of the following are the important floral rewards to the animal pollinators?

(1) Colour and large size of flower

(2) Nectar and pollen grains

(3) Floral fragrance and calcium crystals

(4) Protein pellicle and stigmatic exudates

Subtopic:  Pollination & Outbreeding Devices |
 88%
From NCERT
NEET - 2015
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Placenta and pericarp are both edible portions in

(1) apple

(2) banana

(3) tomato

(4) potato

Subtopic:  Fruit |
 50%
NEET - 2014
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Geitonogamy involves

(1) Pollination of a flower by the pollen from another flower of the same plant

(2) Pollination of a flower by the pollen from the same flower

(3) Pollination of a flower by the pollen from a flower of another plant in the same population

(4) Pollination of a flower by the pollen from a flower of another plant belonging to a distant population

Subtopic:  Pollination & Outbreeding Devices |
 88%
From NCERT
NEET - 2014
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Pollen tablets are available in the market for

(1) In vitro fertilisation

(2) breeding programmes

(3) supplementing food

(4) Ex situ conservation

Subtopic:  Stamen: Male Gametophyte |
 89%
From NCERT
NEET - 2014
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Function of filiform apparatus is to 

(1) recognise the suitable pollen at stigma

(2) stimulate division of generative cell

(3) produce nectar

(4) guide the entry of pollen tube

Subtopic:  Pistil: Female Gametophyte |
 92%
From NCERT
NEET - 2014
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Non-albuminous seed is produced in

(1) maize

(2) castor

(3) wheat

(4) pea

Subtopic:  Seed |
 70%
From NCERT
NEET - 2014
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