A stable population pyramid typically has a more or less uniform distribution across age groups, with each age cohort representing a similar percentage of the total population.
So, the correct option is (D): Stable.
List - I (Structures) | List – II (Features) | ||
A. | Mons pubis | i. | A fleshy fold of tissue surrounding the vaginal opening |
B. | Clitoris | ii. | Fatty cushion of cells covered by skin and hair |
C. | Hymen | iii. | Tiny finger-like structure above labia minora |
D. | Labina majora | iv. | A thin membrane-like structure covering vaginal opening |
A. Genital warts | B. Genital herpes |
C Syphilis | D Hepatius-B |
E Trichomoniasis |
List - I | List – II | ||
A. | Parturition | i. | Several antibodies for new-born babies |
B. | Placenta | ii. | Collection of ovum after ovulation |
C. | Colostrum | iii. | Foetal ejection reflex |
D. | Fimbriae | iv. | Secretion of the hormone hCG |
It refers to the rapid increase in the population of an area among human beings. Furthermore, it is a situation where the economy is not capable of coping with the increasing demand of its population. Population explosion refers to the number of people that live in an area. It is a major issue for developing countries. Also, the government is not taking proper measures to control this problem
The cause of the population explosion includes many factors and reasons. These includes: