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Which of the following shows dichotomous branching?

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Important Questions on Plant Morphology and Anatomy

MEDIUM
Which one of the following statements is not correct?
EASY
In watermelon the spirally coiled stem modifications which help in climbing are developed from
EASY

Identify the vegetative propagule 'M' in the following diagram:

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HARD
Choose correct statements
I) Trap leaves supply nitrogen to Nepenthes plant
II) Grape vines differ from watermelon by having tendrils developed from axillary bud
III) Balancing roots of Eichornia arise from horizontally growing lateral branches
IV) Gall flowers of Ficus store eggs of Blastophaga
EASY
In Bougainvillea, thorns are the modifications of:
EASY
Stems modified into flat green organs performing the functions of leaves are known as:
MEDIUM

Fill in the blank with the correct option from the bracket.

In Allium cepa, the type of modified stem is a _____. (corm, rhizome, tuber, bulb)

EASY

Fill in the blank with the correct option from the bracket.

Thorn is a modification of _____. (aerial stem, sub-aerial stem, underground stem, aerial root)

MEDIUM

Fill in the blank with the correct option from the bracket.

Zingiber is a modified _____. (aerial stem, root, underground stem, flower)

EASY

Fill in the blank with the correct option from the bracket.

Ginger is a _____ stem. (aerial, sub-aerial, underground)

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The hard pointed structure developed in the axil of a leaf is called _____.
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Fill in the blank with the correct option from the bracket.

Root is positively geotropic whereas stem is positively _____. (phototropic, geotropic, thigmotropic)

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Fill in the blank with the correct option from the bracket.

Stem is positively _____ organ. (thigmotropic, geotropic, phototropic)

EASY
The portions between two nodes that contribute to the height of the plant are called _____.
MEDIUM
In aquatic plants like Pistia and Eichhornia, leaves and roots are found near _____. (bottom of water/surface of water)
MEDIUM

Fill in the blank with the correct option from the bracket.

The growing apex of the stem is terminated by _____.(stem hairs, buds, root hairs))