Question

Write the function of each one of the following
(i) Middle piece in human sperm
(ii) Tapetum in anthers
(iii) Luteinising hormone in human males.

Answer 1

i) middle piece carries the chromosomes,The midpiece has a central filamentous core with many mitochondria spiralled around it, used for ATP production for the journey through the female cervix, uterus and uterine tubes

ii) Tapetum is the innermost layer of the microsporangium. It provides nourishment to the developing pollen grains. During microsporogenesis, the cells of tapetum produce various enzymes, hormones, amino acids, and other nutritious material required for the development of pollen grains

iii) controls the secretion of hormones from ovaries and testis