The disease caused by the bacterium Vibrio cholerae is characterized by: MCQ with Answer and Explanation

Explanation:
Growth hormone (somatotropin) is produced by the anterior pituitary. It promotes growth of bones, muscles, and other tissues. Deficiency causes dwarfism; excess causes gigantism or acromegaly.

Explanation:
The pancreas, liver, and salivary glands are accessory digestive glands that secrete enzymes or substances aiding digestion into the alimentary canal. The pancreas produces pancreatic juice (enzymes and bicarbonate) released into the duodenum. The stomach and small intestine are part of the main digestive tract, and the esophagus is a conduit for food.

Explanation:
Greenhouse gases trap heat in the Earth's atmosphere, contributing to the greenhouse effect and global warming. Carbon dioxide (CO2) and methane (CH4) are potent greenhouse gases emitted through human activities like fossil fuel combustion and agriculture. Oxygen (O2) and nitrogen (N2), which make up the majority of the atmosphere, are not greenhouse gases as they do not absorb infrared radiation. Thus, statements 1 and 2 are correct.