Morphology - 15-07-23

Sweet potato is a modified

• Tap root

• Adventitious root

• Stem

• Rhizome

Pneumatophores occur in

• Carnivorous plants

• Free floating hydrophytes

• Halophytes

• Submerged hydrophytes

Root hairs develop from the region of :

• Elongation

• Root cap

• Meristematic activity

• Maturation

Which of these is an example for a zygomorphic flower with diadelphous stamens and marginal placentation?

• Pea

• Lemon

• Brinjal

• Cucumber

Phyllode is present in :

• Asparagus

• Euphorbia

• Australian Acacia

• Opuntia

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:

• Vexillary

• Imbricate

• Twisted

• Valvate

An example of edible underground stem is :

• Carrot

• Groundnut

• Sweet potato

• Potato

Which of the following statements is false about leaf?

• A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the midrib

• A leaf is said to be compound when the incisions of lamina reach upto the midrib breaking into a number of leaflets

• Leaf is the most important vegetative organ for photosynthesis

• Leaf is not a transpiratory organ

Leafbase is swollen to form pulvinus in –

• Some leguminous plants

• Some crucifers

• Some monocots

• Some cycads

Multifoliate compound leaf (Palmate compound leaf) is found in –

• Tamarind

• Silkcotton (Bombax)

• Moringa

• Rose