S2 Major

Roots developed from parts of the plant other than the radicle will be called

• Adventitious Roots
• Tap root
• Fibrous Roor
• False Roots

Stems in sugarcane and maize develop roots from the lower nodes of the stem meant for additional anchorage of the plant  to the soil. Name the type of root best suited from the list below.

• Prop root
• pneumatophore
• Stilt root
• haustoria

Which among the following is not a modified stem for storage purpose?

• Ginger
• Zaminkand
• Turmeric
• Sweet potato

In some leguminous plants the leaf base becomes swollen  which is called 

• leaf sheath
• bulbil
• thalamus
• Pulvinus

A  typical leaf consists of three main parts

• petiole, leaf margin and lamina
• leaf base, petiole and lamina
• leaf base, leaf apex and lamina
• leaf apex, petiole and lamina

If more than two leaves arise at nodes, the phyllotaxy is which type?

• Alternate
• Whorled
• Opposite superposed
• Opposite Decussate

Which of the following statement about Racemose inflorescence is incorrect?

• Main flowering axis continues to grow
• Flowers are borne laterally in basipetal succession
• Flowers may lie on the same height / plane due to different lengths of their stalks 
• Older flowers are outwards while younger flowers are inwards

Which of the following is a characteristic of a compound leaf?

• It is always simple in structure

• It has a single blade

• It consists of multiple leaflets

• It has a petiole only

Which of the following is not a type of stem appendage?

• Thorns

• Tendrils

• Stipules

• Rhizoids