Seed formation without fertilisation in flowering plants involves the process of

(1) budding

(2) somatic hybridization

(3) apomixis

(4) sporulation

Subtopic:  Apomixis & Polyembryony |
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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 |
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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 |
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Placenta and pericarp are both edible portions in

(1) apple

(2) banana

(3) tomato

(4) potato

Subtopic:  Fruit |
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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 |
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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 |
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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 |
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Non-albuminous seed is produced in

(1) maize

(2) castor

(3) wheat

(4) pea

Subtopic:  Seed |
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Which one of the following statement is correct?

(1) Hard outer layer of pollen is called intine

(2) Sporogenous tissue is haploid

(3) Endothecium produces the microspores

(4) Tapetum nourishes the developing pollen 

Subtopic:  Stamen: Anther | Stamen: Microsporangium |
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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

(1) cuticle

(2) sporopollenin

(3) lignin

(4) cellulose

Subtopic:  Stamen: Male Gametophyte |
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