Plant Structure MCQs with Answers

The arrangement of flowers on floral axis is known as ?

• A.Placentation
• B.Phyllotaxy
• C.Venation
• D.Inflorescence

The casparian strip is present in ?

• A.Endodermis
• B.Epidermis
• C.Pericycle
• D.Cortex

The flower of family Gramineae possess a central two scales below ovary which are called ?

• A.Glume
• B.Lemma
• C.Palea
• D.Lodicule

Circinate vernation refers to?

• A.The coiled arrangement of young fern leaves
• B.The folding of petals inside a flower bud
• C.The spiral growth of tendrils in climbers
• D.The rolling of leaf margins in grasses

The highly modified plant shoot in which a short stem is surrounded by thick fleshy leaves is called?

• A.Rhizome
• B.Tuber
• C.Bulb
• D.Corm

In grain seeds, the number of cotyledons is ?

• A.3
• B.2
• C.1
• D.4

The cells which produce root hairs are called _?

• A.Trichoblasts
• B.Trichomes
• C.Osteoblasts
• D.None of these

Which is necessary to release seeds from cones of pine and eucalyptus species?

• A.Water
• B.Fire
• C.Wind
• D.Animals

There is a pore on the seed coat, it is called _?

• A.Raphe
• B.Hilum
• C.Chalaza
• D.Micropyle

Circinate vernation refers to _?

• A.Stem vernation
• B.Flower vernation
• C.Leaf vernation
• D.Root vernation