Question:- During a lunar eclipse, the visible red colour is because of: A. Dust in space B. Dust in the moon’s atmosphere C. Dust in earth’s atmosphere D. None of the above
Answer:- Ans. C Explanation: Due to dust in the earth’s atmosphere during the lunar eclipse red colour is seen.
Question:- What do you understand by an eclipse? A. Partial or total blocking of light of one celestial object by another. B. Partial or total blocking of light by Moon. C. Partial or total blocking of light by Earth. D. Partial or total blocking of light by Sun.
Answer:- Ans. A Explanation: An eclipse takes place when one heavenly body such as a moon or planet moves into the shadow of another heavenly body.
Question:- Diamond ring occurs in which type of solar eclipse? A. Total Solar eclipse B. Partial Solar eclipse C. Annular Solar eclipse D. None of the above
Answer:- Ans. A Explanation: During a total Solar eclipse diamond ring occurs.
Question:- Plague is caused by which bacteria? A. Clostridium B. Mycobacteria C. Yersinia Pestis D. None of the above
Answer:- Ans. C Explanation: Plague is a serious and fatal bacterial infection which is caused by the bacteria Yersinia Pestis.
Question:- Which of the following is/are different forms of the plague? A. Bubonic Plague B. Septicemic Plague C. Pneumonic Plague D. All the above
Answer:- Ans. D Explanation: There are three forms of plague namely Bubonic plague, Septicemic plague, and Pneumonic plague.
Question:- How people get infected from the plague? A. When a person is bitten by a flea infected with the plague bacteria. B. People get infected through direct contact with infected tissues or fluids while handling an animal that is sick or has died from the plague. C. People can become infected from inhaling the respiratory droplets after close contact with cats and humans with pneumonic plague. D. All the above.
Answer:- Ans. D Explanation: People become infected from the plague when they are bitten by a flea that is infected with the plague bacteria. They can also become infected through direct contact with infected tissues or fluids while handling an animal that is sick or died due to the plague. Also, people get an infection from inhaling respiratory droplets after close contact with cats and humans with pneumonic plague.
Question:- Which type of plague is the most serious form of the disease and can be spread from person to person? A. Bubonic plague B. Septicemic plague C. Pneumonic plague D. None of the above
Answer:- Ans. C Explanation: Pneumonic plague is the most serious form of the disease and is the only form of plague that can be spread from person to person by infectious droplets.
Question:- What is the incubation period of the bubonic plague? A. 2 to 3 days B. 3 to 4 days C. 2 to 4 days D. 3 to 7 days
Answer:- Ans. D Explanation: Bubonic plague affects lymph nodes and within 3 to 7 days of exposure to plague bacteria flu like-symptoms develop.
Question:- Which of the following is/are the symptoms of bubonic plague? A. Fever B. Muscle pain C. Swollen lymph nodes D. All the above
Answer:- Ans. D Explanation: The symptoms of bubonic plague are: chills, fever, seizures, a general feeling of malaise, muscle pain, appearance of smooth, painful lymph gland swelling in the groin, armpit or neck areas. The swelling is known as bubo and is commonly found at the site of the infected flea bite.
Question:- Which of the following is/are the symptoms of pneumonic plague? A. Severe cough B. Difficulty breathing C. Chest pain D. All the above
Answer:- Ans. D Explanation: Symptoms of pneumonic plague are: severe cough, difficulty breathing, fever, frothy, bloody sputum, and chest pain while breathing deeply.
Question:- What type of treatment is provided to the plague patient? A. Antibiotic B. Hospitalised C. Medically isolated D. All the above
Answer:- Ans. D Explanation: Plague can be successfully treated with antibiotics. Once a patient is diagnosed with plague then he or she should be hospitalised and in case of pneumonic plague, he or she should be medically isolated.
Question:- Which of the following preventive measures should be taken during the plague? A. Reduce rodent habitat around your home, workplace, and recreational areas. B. Keep fleas off of your pets by applying flea control products. C. Use repellent if you think you could be exposed to rodent fleas during activities such as camping, hiking, or working outdoors. D. All the above
Answer:- Ans. D Explanation: Reduce rodent habitat around your home, workplace, and recreational areas. By using flea control products you can keep fleas off of your pets. If you think that you are exposed to rodent fleas then use repellent during activities like camping, hiking, etc. Do not allow dogs or cats that roam free in endemic areas to sleep on your bed, etc.
Question:- Which of the following is a large blood vessel that carries blood away from the heart? A. Vein B. Artery C. Capillary D. Nerve
Answer:- Ans. B Explanation: The pulmonary artery carries blood from the right side of the heart to the lungs to pick up a fresh supply of oxygen.
Question:- Which of the following is not a member of the vitamin B complex? A. Thiamine B. Riboflavin C. Folic acid D. Ascorbic acid
Answer:- Ans. D Explanation: Vitamin B complex consists of 8 vitamins namely B1, B2, B3, B5, B6, B7, B9 and B12. Vitamin B1 is Thiamine, Vit B2 is Riboflavin, Vit B3 is Niacin, Vit B5 is pantothenic acid, Vit B6 is pyridoxine, biotin, folic acid, and Vit B12 is cyanocobalamin.