Biology Practice Question and Answer
8 Q: Side effects in jaundice
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5f7c0b60f16bc526c3196de1- 1Pancreaticfalse
- 2Stomachfalse
- 3Small intestinefalse
- 4Livertrue
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Answer : 4. "Liver"
Q: Which of the following blood group is a universal donor?
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5f7564e1e487e60dcecaaf2c- 1AB positivefalse
- 2AB negativefalse
- 3O positivefalse
- 4O negativetrue
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Answer : 4. "O negative"
Q: The total number of chromosomes in a human being is-
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5f8fd4c1f28f4b47be4b9d1f- 146true
- 248false
- 352false
- 4Indeterminatefalse
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Answer : 1. "46"
Q: Which of the following is the smallest gland in the body?
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5f756559e487e60dcecab0f8- 1Thyroidfalse
- 2Pituitarytrue
- 3Pancreasfalse
- 4Pinealfalse
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Answer : 2. "Pituitary"
Q: Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?
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5ee85ca5109b5d6e015e34bd- 1Penicillintrue
- 2Prontosilfalse
- 3Streptomycinfalse
- 4Teracylinefalse
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Answer : 1. "Penicillin"
Explanation :
The first antibiotic discovered by Alexander Fleming in 1928 was:
(A) Penicillin
Alexander Fleming's discovery of penicillin revolutionized medicine by introducing the first widely used antibiotic, which proved effective against a variety of bacterial infections.
Q: Heart attack occurs due to :
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6389d246c878936066e81fc3- 1Bacterial attack on the heartfalse
- 2Stopping of heart beatfalse
- 3Lack of blood supply to the heart itselftrue
- 4Impairment of heart’s working due to unknown reasonsfalse
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Answer : 3. "Lack of blood supply to the heart itself"
Q: The function of Hemoglobin in the human body is to-
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5f0eddcc1090a0586540bc35- 1Carry oxygen to various tissuestrue
- 2Help excretionfalse
- 3Provide enzymes and hormonesfalse
- 4Provide amino acids for growthfalse
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Answer : 1. "Carry oxygen to various tissues "
Q: Who discovered the polio vaccine –
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5efc05b830aa3b4ee606c3c5- 1Robert koachfalse
- 2Edward Generefalse
- 3Alexander Flemmingfalse
- 4Jones Salktrue
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Answer : 4. "Jones Salk "
Explanation :
(D) Jonas Salk
The polio vaccine was developed by Dr. Jonas Salk. He and his team conducted extensive research in the 1950s, leading to the development of the inactivated polio vaccine (IPV), which became widely used for the prevention of polio. The vaccine was a significant breakthrough in medical science and played a crucial role in the global effort to eradicate polio.