Gynecomastia is swelling of the breast tissue in boys or men, caused by an imbalance of the hormones estrogen and testosterone.The development of gynecomastia is usually associated with benign pubertal change. Disturbances in the endocrine system that lead to an increase in the ratio of estrogens/androgens are thought to be responsible for the development of gynecomastia.

Correct Option: D

Gynecomastia is swelling of the breast tissue in boys or men, caused by an imbalance of the hormones estrogen and testosterone.The development of gynecomastia is usually associated with benign pubertal change. Disturbances in the endocrine system that lead to an increase in the ratio of estrogens/androgens are thought to be responsible for the development of gynecomastia.

Pond silk is the common name of Spirogyra (algae) because it is very slimy in shape. It is also known as pond silk, water silk, pond scum or mermaid's trees because of its bright green silky appearance. Its filaments shine like silk due to the presence of mucilage.

Correct Option: A

Pond silk is the common name of Spirogyra (algae) because it is very slimy in shape. It is also known as pond silk, water silk, pond scum or mermaid's trees because of its bright green silky appearance. Its filaments shine like silk due to the presence of mucilage.

Baroreceptors are sensors located in the blood vessels of all vertebrate animals that sense the blood pressure and relay the information to the brain, so that a proper blood pressure can be maintained. They are a type of mechanoreceptor sensory neuron that is excited by stretch of the blood vessel. Mechanoreceptors are the sensory receptors that respond to any type of primary stimuli of pressure.

Correct Option: B

Baroreceptors are sensors located in the blood vessels of all vertebrate animals that sense the blood pressure and relay the information to the brain, so that a proper blood pressure can be maintained. They are a type of mechanoreceptor sensory neuron that is excited by stretch of the blood vessel. Mechanoreceptors are the sensory receptors that respond to any type of primary stimuli of pressure.

The Chipko movement refers to an organized resistance to the destruction of forests that arose in India during the 1970s. The name of the movement comes from the word ‘embrace’, as the villagers hugged the trees, and prevented the contractors’ from felling them. In 1987, the Chipko Movement was awarded the Right Livelihood Award.

Correct Option: D

The Chipko movement refers to an organized resistance to the destruction of forests that arose in India during the 1970s. The name of the movement comes from the word ‘embrace’, as the villagers hugged the trees, and prevented the contractors’ from felling them. In 1987, the Chipko Movement was awarded the Right Livelihood Award.

Oxytocin is an hormone that is normally produced in the hypothalamus and stored in the posterior pituitary gland. It plays a role in social bonding, sexual reproduction in both sexes, and during and after childbirth. It is released due to stretching of the cervix and uterus during labor and with stimulation of the nipples from breastfeeding.

Correct Option: C

Oxytocin is an hormone that is normally produced in the hypothalamus and stored in the posterior pituitary gland. It plays a role in social bonding, sexual reproduction in both sexes, and during and after childbirth. It is released due to stretching of the cervix and uterus during labor and with stimulation of the nipples from breastfeeding.