The hormone which increases the fertility in males is called

(b) formation of sperm

Manures increase soil fertility by enriching the soil with organic matter and nutrients as it is prepared by the decomposition of animal excreta and plant wastes. On the other hand,...

If the testes fail to descend to the scrotum, gametogenesis could be inhibited, the process of spermatogenesis require a marginally lesser ambient temperature than that in the abdominal cavity.

The phenomenon being referred to is called ‘Inbreeding Depression’ and results in loss of fertility and vigour. This happens because the recessive alleles tend to get together and express harmful effects in...

For becoming colour blind, females must have allele for it in both her X chromosomes. But males develop colour blindness when their sole X chromosome has the allele for it.

Mature functional insulin is obtained by processing of pro-hormone which contains extra peptide called C-peptide. This C-peptide is removed during maturation of proinsulin to insulin.

(a) Testes produce sperms and secrete a hormone called testosterone. The function of testosterone is to control the development of male sex organs and secondary sexual features. (b) (i) Oviduct or fallopian tubes...

(i) Pancreas is the name of the gland and the hormone secreted is insulin. (ii) Insulin helps in regulating blood sugar levels. (iii) Deficiency of insulin cause diabetes.

(i) Pancreas secretes hormone insulin. It helps in regulating the sugar level in blood. (ii) Pituitary secretes growth hormone. It regulates growth and development of the body. (iii) Thyroid secretes thyroxine hormone....

(a) increases if the average refractive index increases