Biology Questions Practice Question and Answer
8 Q: Which of the following is correct about cold-blooded animals?
1719 06152af9e6689780f85cb5c09
6152af9e6689780f85cb5c09- 1Their body temperature remains constant all the timefalse
- 2They kill all the animalsfalse
- 3Their blood remains cold all the timefalse
- 4Their body temperature changes in accordance with the atmospheretrue
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Answer : 4. "Their body temperature changes in accordance with the atmosphere "
Q: Plants are made disease resistant by it?
1717 05ee838b879b5ea388bebebc9
5ee838b879b5ea388bebebc9- 1Kalchisinfalse
- 2Reproductiontrue
- 3Harmonousfalse
- 4heatfalse
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Answer : 2. "Reproduction"
Q: Ozone hole refers to which 1711 05c49785a85451c5d3308c03c
5c49785a85451c5d3308c03c- 1hole in ozone layerfalse
- 2decrease in the ozone layer in tropospherefalse
- 3decrease in thickness of ozone layer in stratospheretrue
- 4increase in the thickness of ozone layer in tropospherefalse
- 5hole in ozone layerfalse
- 6decrease in the ozone layer in tropospherefalse
- 7decrease in thickness of ozone layer in stratospheretrue
- 8increase in the thickness of ozone layer in tropospherefalse
- 9hole in ozone layerfalse
- 10decrease in the ozone layer in tropospherefalse
- 11decrease in thickness of ozone layer in stratospheretrue
- 12increase in the thickness of ozone layer in tropospherefalse
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Answer : 3. "decrease in thickness of ozone layer in stratosphere" 7. "decrease in thickness of ozone layer in stratosphere" 11. "decrease in thickness of ozone layer in stratosphere"
Q: Photosynthesis generally takes place in which parts of the plant? 1702 05c497b5485451c5d3308c06d
5c497b5485451c5d3308c06d- 1Leaf and other chloroplast bearing partstrue
- 2stem and leaffalse
- 3Roots and chloroplast bearing partsfalse
- 4Bark and leaffalse
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Answer : 1. "Leaf and other chloroplast bearing parts"
Q: Penicillin is obtained from?
1698 05ee21737e9ea010382e59adc
5ee21737e9ea010382e59adc- 1Algaefalse
- 2Fungustrue
- 3Yeastfalse
- 4Lichenfalse
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Answer : 2. "Fungus "
Explanation :
Penicillin is obtained from fungi, specifically a group of molds known as Penicillium. The discovery of penicillin, one of the first widely used antibiotics, is credited to Sir Alexander Fleming in 1928. Fleming observed that the mold Penicillium notatum produced a substance that could inhibit the growth of bacteria. This substance was later named penicillin and became a groundbreaking antibiotic in the field of medicine, revolutionizing the treatment of bacterial infections. Therefore, the correct answer is (B) Fungus.
Q: Soundbox of birds is called____.
1693 1609912d7c4aedb3e8066bdbb
609912d7c4aedb3e8066bdbb- 1Larynxfalse
- 2Pygostylefalse
- 3Synsacrumfalse
- 4Syrinxtrue
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Answer : 4. "Syrinx "
Q: Pneumonia affects which of the following organs of human body?
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5f4368bc77e1d45e845bac4f- 1Kidneysfalse
- 2Lungstrue
- 3Throatfalse
- 4Liverfalse
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Answer : 2. "Lungs "
Q: Poultry is a foreign breed of bird with a capacity to lay more eggs.
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5ee83729642b746617226212- 1White leghorntrue
- 2Broilerfalse
- 3White Cornishfalse
- 4New Hemispherefalse
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Answer : 1. "White leghorn"
Explanation :
The option that represents a foreign breed of bird known for its capacity to lay more eggs is:
(A) White Leghorn
Explanation:
White Leghorn is a breed of chicken that originated in Italy but is widely used in many countries, including as a popular egg-laying breed in poultry farming. Leghorns are known for their prolific egg production, making them a common choice for commercial egg production.
The other options:
Broiler refers to chickens raised for meat.
White Cornish is a breed known for its meat qualities.
"New Hemisphere" does not appear to refer to a specific poultry breed.
So, the correct answer is (A) White Leghorn.