In genetic engineering, the enzyme used to cut DNA at specific sequences is: MCQ with Answer and Explanation

Explanation:
The nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and the spinal cord, which process and coordinate information. The PNS consists of all the neural structures outside the CNS, including cranial nerves, spinal nerves, and ganglia, which connect the CNS to the rest of the body. Thus, statements 1 and 3 are correct.

Explanation:
Dairy farming is the agricultural practice of breeding and raising livestock (like cows, buffaloes, goats) specifically for the long-term production of milk and milk products. Poultry farming involves the commercial rearing of domesticated birds (like chickens, ducks, turkeys) for the production of meat (broilers) and eggs (layers). Apiculture is the scientific rearing and management of honeybees (Apis species) for the production of honey, beeswax, and other hive products; silk production is sericulture. Thus, statements 1 and 2 are correct.

Explanation:
Typhoid fever is caused by Salmonella typhi, transmitted via contaminated food/water, causing high fever, abdominal pain, and rose spots. Widal test is used for diagnosis. Cholera is Vibrio cholerae, TB Mycobacterium, dysentery Shigella or Entamoeba.