Structural Organisation In Plants

After removal of covering in peath seed consists of

Options

(a) cotyledons (b) embryo (c) cotyledons+endosperm (d) cotyledons+endosperms+pericarp

Correct Answer:

embryo

Explanation:

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A common structural feature of vessel elements and sieve tube element is

Options

(a) thick secondary walls (b) pores on lateral walls (c) presence of P-protein (d) enucleate condition

Correct Answer:

pores on […]

A special type of seed germination is found in mangrove vegetation such as Rhizophora, Avicennia, etc is called

Options

(a) epigeal germination (b) hypogeal germination (c) viviparous germination (d) oviparous germination

Correct Answer: […]

The sugarcane plant has

Options

(a) dumb bell shaped guard cells (b) pentamerous flowers (c) reticulate venation (d) capsular fruits

Correct Answer:

dumb bell shaped guard cells

Explanation:

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Syconus is a ccomposite or multiple fruit develops from

Options

(a) hypanthodium inflorescence (b) umbel inflorescence (c) catkin inflorescence (d) head inflorescence

Correct Answer:

hypanthodium inflorescence

Explanation:

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One of the following statements is false for heartwood

Options

(a) made up of living cells (b) forms central cylinder of wood (c) solid and hard (d) contains gums and resins

Correct Answer: […]