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Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by

Absence of secondary phloem
Absence of secondary xylem
Position of protoxylem
Presence of cortex
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Sieve tubes are present in

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If a primary root continues to grow, the type of root system will be known as

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The lateral roots originate from

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Long filamentous threads protruding at the end of a young cob of maize are

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Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

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Arrange the following plants in the ascending order based in the number of carpels they possess:

I. Oenothera

II. Acacia melanoxylon

III. Squill

IV. Lettuce

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Muehlenbeckia (cocoloba) is an example of

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Clinging roots are found in

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An example of axile placentation is

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Identify the characters of gynoecium found in members of Asteraceae Fabaceae, Liliaceae and Solanaceae, respectively

(1) Tricarpellary syncarpous, ovary superior and trilocular

(II) Bicarpellary syncarpous, ovary superior and usually bilocular

(III) Bicarpellary syncarpous, ovary inferior and unilocular

(IV) Monocarpellary, ovary half inferior and unilocular

The correct sequence is:

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