The small projections present on the surface of pineapple fruit represent

(1) persistent styles

(2) persistent stamens

(3) persistent calyx

(4) persistent bracts

Subtopic:  Fruits & their Types |
AIIMS - 2015
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'Cladode' is a characteristic morphological feature of

(1) Asparagus and Ruscus

(2) Casuarina and Opuntia

(3) Cladophora and Cactus

(4) Citrus and Euphorbia

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 55%
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Which one contain most reduced form of stem?

(1) Bulb

(2) Rhizome

(3) Tuber

(4) Twinner

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 60%
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Which one is a source of commercially important product Syzygium aromaticum?

(1) Flower bud

(2) Axillary bud

(3) Thalamus

(4) Peduncle

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 54%
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Pappus helps in dispersal of pollen in

(1) Asteraceae

(2) Brassicaceae

(3) Malvaceae

(4) Solanaceae

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 52%
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Flower of Liliaceae is

(1) actinomorphic

(2) epipetalous

(3) pentamerous

(4) imperfect

Subtopic:  Families of Flowering Plant: I | Families of Flowering Plant |
 61%
From NCERT
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A fruit developed from a condensed inflorescence is

(1) simple fruit

(2) aggregate fruit

(3) composite fruit

(4) etaerio

Subtopic:  Fruits & their Types |
 62%
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The floral formula  represents

(1) Solanum nigrum

(2) Hibiscus rosa-sinensis

(3) Citrus aurantum

(4) Brassica campestirs

Subtopic:  Semi Technical Description |
 75%
From NCERT
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Which of the following is incorrect about A, B, C and D:
(1) Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food

(2) Pneumatophores help to get oxygen for respiration

(3) Pneumatophore is found in the plants that grow in sandy soil

(4) A, B and C are underground roots but D grows vertically upwards

Subtopic:  Modification of Roots |
 79%
From NCERT
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Offset is one internode-long runner and its each node bears rosette of leaves and a tuft of roots. It is found in aquatic plants like:

1. Hydrilla           

2. Pistia              

3. Eichhornia      

4. Both (2) and (3)

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 91%
From NCERT
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