Multiple Choice QuestionsLate blight of potato is caused by
Ustilago
Pseudomonas
Phytophthora infestans
Colletotrichum falcatum
A fruit developed from a condensed inflorescence is :
simple fruit
aggregate fruit
composite fruit
etaerio
Quiscent centre is present in :
root apex
shoot apex
parenchyma
collenchyma
A.
root apex
Quiescent centre is present in root apex. Clowes found a reservoir of cells having low DNA, RNA and protein concentration in root apex. These cells do not divide but may become active or they can made to divide. Due to its inactivity, the quiescent centre is resistant to damages.
Mark the correct sequence of layers found in root anatomy:
Epiblema, cortex, endodermis, pericycle
Cortex, epiblema, pericycle, endodermis
Epiblema, cortex, pericycle, endodermis
Cortex, epiblema, endodermis, epidermis
Capitulum inflorescence is found in :
Compositae (Asteraceae)
Cruciferae (Brassicaceae)
Solanaceae
Malvaceae
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