Velamen is a specialized tissue found in

(1) aerial roots of orchids

(2) succulent leaves

(3) pneumatophores

(4) stilt roots

Subtopic:  Modification of Roots |
 63%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Coconut's husk fibre, coir of commerce is extracted from

1. epicarp

2. mesocarp

3.endocarp

4. all of these

Subtopic:  Fruits & their Types |
 69%
From NCERT
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

When the filament runs throughout the length of anther, it is called

(1) adnate

(2) dorsi fixed

(3) versatile

(4) syngenesious

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is the largest root parasite?

(1) Rafflesia

(2) Areuthobium

(3) Monotrapa

(4) Pistia

Subtopic:  Morphology of Roots | Modification of Roots |
 64%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The family containing mustard and its main characters are

(1) Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit.

(2) Brassicaceae - Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit

(3) Solanaceae - Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit

(4) Poaceae - Trimerous flowers, three stemens, monocarpellary gynoecium, caryopsis type of fruit

Subtopic:  Semi Technical Description |
 66%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Velamen present in orchids helps in

(1) absorption of nutrients from host plant

(2) respiration

(3) absorption of moisture from air

(4) synthesising food

Subtopic:  Modification of Roots |
 63%
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Which among the following is a rootless plant?

(1) Nymphaea

(2) Sagittaria

(3) Ceratophyllum

(4) Vallisneria

Subtopic:  Modification of Roots |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Composite fruit develops from

(1) single ovary

(2) inflorescence

(3) apocaropous ovary

(4) pericarp

Subtopic:  Fruits & their Types |
 62%
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Cocoa is the plant from which chocolate is made. Which part is used to extract it?

(1) Flower

(2) Fruit

(3) Seeds

(4) Bark

Subtopic:  Seed |
 74%
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The cells of the quiescent centre are characterised by

(1) having dense cytoplasm and prominent nuclei

(2) having light cytoplasm and small nuclei

(3) dividing regularly to add to the corpus

(4) dividing regularly to add to tunica

Subtopic:  Morphology of Roots |
 50%
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