Biology Practice Question and Answer
8 Q: Bee wax glands present in it?
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5ee8368279b5ea388bebeaae- 1Ranifalse
- 2Labortrue
- 3Male beefalse
- 4None of thesefalse
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Answer : 2. "Labor"
Q: Whom does the lymph carry?
916 05f72f51ec0afea20a179544f
5f72f51ec0afea20a179544f- 1Fattrue
- 2Glucosefalse
- 3Harmonefalse
- 4None of thesefalse
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Answer : 1. "Fat"
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.
Q: Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?
909 05ee85ca5109b5d6e015e34bd
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: Polio disease is caused by?
897 0603633ee9792c13b2854c19c
603633ee9792c13b2854c19c- 1Bacteriafalse
- 2Protozoafalse
- 3Virustrue
- 4None of thesefalse
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Answer : 3. "Virus"
Q: Refrigeration is the process, due to which
891 060ba061241fbe0438167bcb6
60ba061241fbe0438167bcb6- 1Bacterias are killedfalse
- 2Decreases the growth of bacteriafalse
- 3Efficiency of bacterial is restrainedtrue
- 4Bacteria are converted into plasmafalse
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Answer : 3. "Efficiency of bacterial is restrained"
Q: Tikka disease is related with the crop
891 160939b07b8018e6486aef936
60939b07b8018e6486aef936- 1Musturdfalse
- 2Paddyfalse
- 3Ground nuttrue
- 4All of thesefalse
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Answer : 3. "Ground nut"
Q: Water from soil enters into root hairs by
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60ffbfefaabf492de4d744bb- 1Capillary Pressuretrue
- 2Osmotic Pressurefalse
- 3Root Pressurefalse
- 4None of the abovefalse
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