Biology Questions Practice Question and Answer
8 Q: Who discovered the first antibiotic
868 05f43619e09e4377de92e8f5e
5f43619e09e4377de92e8f5e- 1C Waksmanfalse
- 2W Flemingfalse
- 3Louis Pasteurfalse
- 4A Flemingtrue
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Answer : 4. "A Fleming"
Q: Which of the following is true of kinetochores? 3672 05b5cc5ffe4d2b4197774b3f4
5b5cc5ffe4d2b4197774b3f4- 1They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis.false
- 2They are the sites at which microtubules attach to chromosomes.true
- 3They are located at the center of the centrosome and organize tubulin into spindle fibers.false
- 4They cross at the cell's equator and move against each other, causing the cell to elongate.false
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Answer : 2. "They are the sites at which microtubules attach to chromosomes."
Explanation :
Answer: B) They are the sites at which microtubules attach to chromosomes. Explanation: They are the sites at which microtubules attach to chromosomes.
Q: Photosynthesis contributes to plant growth by 1956 05b5cc601e4d2b4197774b471
5b5cc601e4d2b4197774b471- 1taking in carbon dioxide and making carbohydrates (sugars)true
- 2converting sugar to oxygen and waterfalse
- 3taking in oxygen and making woodfalse
- 4synthesizing carbon dioxide and making cellulosefalse
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Answer : 1. "taking in carbon dioxide and making carbohydrates (sugars)"
Explanation :
Answer: A) taking in carbon dioxide and making carbohydrates (sugars) Explanation: Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.
Q: What organelle carries out photosynthesis? 1272 05b5cc607e4d2b4197774b53f
5b5cc607e4d2b4197774b53f- 1Chloroplaststrue
- 2Ribosomesfalse
- 3Chromosomesfalse
- 4All of the abovefalse
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Answer : 1. "Chloroplasts"
Explanation :
Answer: A) Chloroplasts Explanation: Chloroplasts contains chlorophyll, the green substance in plants that allows them to create food from carbon dioxide and water called as photosynthesis.
Q: Photosynthesis generally takes place in which parts of the plant? 1348 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: What plant breeders should they do to produce an immunogenic species?
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5ee8386c109b5d6e015dc23b- 1Selectiontrue
- 2Mutationfalse
- 3Crop productionfalse
- 4Hybridizationfalse
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Answer : 1. "Selection"
Q: Is the center of intelligence and cleverness in the human brain?
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5f082f8f8e448621429eccc0- 1Cerebrumtrue
- 2Cerebellumfalse
- 3Hypothalamusfalse
- 4Spinal cordfalse
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Answer : 1. "Cerebrum"
Q: The pH of human blood is
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5f8fe8293ca2d767b1829dd9- 17.5false
- 27.4true
- 38.1false
- 48.4false
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