Biology Practice Question and Answer
8 Q: Bee wax glands present in it?
933 05ee8368279b5ea388bebeaae
5ee8368279b5ea388bebeaae- 1Ranifalse
- 2Labortrue
- 3Male beefalse
- 4None of thesefalse
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Answer : 2. "Labor"
Q: A person with color blindness shows red color-
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5f8fe77b9e18f97b703a2854- 1Yellowfalse
- 2Bluefalse
- 3Purplefalse
- 4Greentrue
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Answer : 4. "Green"
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: Who discovered the polio vaccine –
924 05efc05b830aa3b4ee606c3c5
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: Water from soil enters into root hairs by
918 060ffbfefaabf492de4d744bb
60ffbfefaabf492de4d744bb- 1Capillary Pressuretrue
- 2Osmotic Pressurefalse
- 3Root Pressurefalse
- 4None of the abovefalse
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Answer : 1. "Capillary Pressure"
Q: The retina present in the human eye is present for the difference in colors?
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61110efb88e05669409e542e- 1Choroidfalse
- 2conestrue
- 3corneafalse
- 4Roadsfalse
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Answer : 2. "cones"
Q: Refrigeration is the process, due to which
911 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: Polio disease is caused by?
911 0603633ee9792c13b2854c19c
603633ee9792c13b2854c19c- 1Bacteriafalse
- 2Protozoafalse
- 3Virustrue
- 4None of thesefalse
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