111. Yellow fever is a disease spread through which of the following?
1. Flies
2. Mosquito
3. Rat
4. Cockroach
Option “2” is correct. The disease is caused by the yellow fever virus and is spread by the bite of an infected female mosquito. It infects only humans, other primates, and several species of mosquitoes.
112. Which of the following organisms does not fit into the Cell Theory?
1. Bacteria
2. Virus
3. Fungi
4. Plants
Option “2” is correct. Cell theory is not applicable on Viruses. They are made up of proteins and one of nucleic acids i.e. DNA or RNA. So they lack protoplasm, the essential part of the cell.
Option “4” is correct. Prednisone drug is used as an Anti-Inflammatory drug. It is used to treat a number of different conditions, such as inflammation (swelling), severe allergies, adrenal problems, arthritis, asthma, blood or bone marrow problems, endocrine problems, eye or vision problems, stomach or bowel problems, lupus, skin conditions, kidney problems, ulcerative colitis, and flare-ups of multiple sclerosis.
114. Prothrombin, responsible for clotting of blood is produced in _____.
1. Small Intestine
2. Liver
3. Large Intestine
4. Heart
Option “2” is correct. Prothromnin is a plasma protein produced in the liver in the presence of vitamin K and converted into thrombin in the clotting of blood.
115. Acacia arabica is the scientific name of –
1. Neem
2. Teak
3. Babul
4. Pomegranate
Option “3” is correct. Acacia arabica is the scientific name of Babul.
Option “4” is correct. Ferns belong to Pteridophyta division of Plants.
117. Who invented Antibiotics?
1. Joseph Lister
2. William Harvey
3. Robert Knock
4. Alexander Fleming
Option “4” is correct. Antibiotics also called antibacterials, are a type of antimicrobial drug used in the treatment and prevention of bacterial infections. Alexander Fleming invented Antibiotic.
118. Intestinal bacteria synthesizes which of the following in the human body?
1. Vitamin K
2. Proteins
3. Fats
4. Vitamin D
Option “1” is correct. Vitamin K in majority is synthesized by bacteria in the large intestine. It is necessary for formation of several blood-clotting factors in the liver, and deficiency leads to bleeding disorders.
Option “1” is correct. The aorta is the largest blood vessel and artery in the human body.
120. Which cells in pancreas produce Insulin?
1. Thymus
2. Estrogen
3. Corpus epididymis
4. Islets of Langerhans
Option “4” is correct. The hormone insulin is a main regulator of the glucose (sugar) levels in the blood. Insulin is produced in the pancreas. To be more specific, it’s produced by the beta cells in the islets of Langerhans in the pancreas.
