In the kidney of mammals, the site of ultrafiltration is the
uriniferous tubule
Bowman's capsule
loop of Henle
renal tubule
Which of the following is involved in secondary thickening in plants?
Collenchyma and xylem cells
Vascular cambium
Vascular cambium and cork cambium
Cork cambium and sclerenchyma
An example of a fruit that develops from a single carpel is
okro
tomato
bean
orange
The developing embryo is usually contained in the part labelled
IV
III
II
I
The function of the part labelled lll is to
produce egg cells
protect sperms during fertilization
secrete hormones during coitus
protect the developing embryo