What type of placentation is seen in sweet pea?

1. Basal

2. Axile

3. Free central

4. Marginal

Subtopic:  Parts of Flower: III | Flower & Parts of Flower |
 83%
From NCERT
NEET - 2006
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The examples (s) of modified leaves are

1. tendrils of pea

2. spines of cacti

3. pitcher of the pitcher plant

4. all of the above.

Subtopic:  Modification of Leaf |
 87%
From NCERT
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Oil is the prefer energy storing molecule in seeds of several plants, while excess energy in other parts of the plant is stored as starch. This is related to

(1) the requirement of concentrated form of energy in seeds in order to make them light in weight and facilitate their dispersal.

(2) dependence of the seeds totally on the stored fat for germination

(3) protective role of the oil against insect pests

(4) the antioxidant role of the soils

Subtopic:  Seed |
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The quiescent centre of growing angiospermic roots of comprises of 

1. slow dividing cells

2. fast dividing cells

3. non-dividing cells

4. dead cells.

Subtopic:  Morphology of Roots |
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Which of these is a true nut?

(1) Walnut

(2) Areca nut

(3) Cashew nut

(4) Ground nut

Subtopic:  Fruits & their Types |
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A dicot plant lacking cotyledons is

(1) Cuscuta

(2) Santalum

(3) Lodoicea

(4) none of these

Subtopic:  Seed |
 53%
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Lady finger belongs to the family

(1) solanaceae

(2) malvaceae

(3) cruciferaceae

(4) leguminacae

Subtopic:  Families of Flowering Plant: I | Families of Flowering Plant: II | Families of Flowering Plant |
 53%
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In mangrove vegetation, plants possess

(1) taproot

(2) stilt root

(3) pneumatophore

(4) haustorial roots

Subtopic:  Morphology of Roots |
 83%
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In the diagram of types of placentation given above 'A', 'B', 'C' and 'D' respectively represent

(1) basal, axile, parietal and free central

(2) free central, parietal, basal and axile

(3) axile, basal, parietal and free central

(4) parietal, axile, free central and basal

Subtopic:  Parts of Flower: III | Flower & Parts of Flower |
 92%
From NCERT
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Which of the following has synandrous condition

(1) Colocasia

(2) Cucurbita

(3) Mimosa

(4) Ricinus

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 56%
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