Wilting of leaves at noon and their recovery toward evening is known as
incipient wilting
temporary wilting
midday desiccation
permanent wilting
Artificial application of auxins like IAA, IBA and NAA to unpollinated pistils can form
fruits with much flash
larger fruits
sweet fruits
seedless fruits
In the electron transport chain, in terminal oxidation, the cytochrome, which donates electrons to O2 is
cytochrome- b
cytochrome- c
cytochrome- a3
cytochrome- a
The specific character of C4 plants is
bulliform cells
Kranz anatomy
parallel venation
isobilateral leaf
Which of the following clogs the cavity of the xylem vessels?
Tylosis
Cystolith
Hydathode
Raphide
Which of the following has multiflagellate sperms?
Equisetum
Riccia
Lycopodium
Anthoceros
A.
Equisetum
In Equisetum, the anterior part of the antherozoid (sperm) is spirally coiled and has numerous flagella, whereas posterior part is somewhat expanded. The sperms of Lycopodium, Riccia and Anthoceros are biflagellated.