Biology Questions Practice Question and Answer
8Q: Pollination is best defined as to 1223 05c497ab585451c5d3308c05a
5c497ab585451c5d3308c05a- 1transfer of pollen from another to stigmatrue
- 2germination of pollen grainsfalse
- 3growth of pollen tube in ovulefalse
- 4visiting flowers by insectsfalse
- 5transfer of pollen from another to stigmatrue
- 6germination of pollen grainsfalse
- 7growth of pollen tube in ovulefalse
- 8visiting flowers by insectsfalse
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Answer : 1. "transfer of pollen from another to stigma" 5. "transfer of pollen from another to stigma"
Q: In what organelle does cellular respiration take place? 1079 05b5cc604e4d2b4197774b4f8
5b5cc604e4d2b4197774b4f8- 1Cytoplasmfalse
- 2Ribosomesfalse
- 3Mitochondriatrue
- 4None of the abovefalse
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Answer : 3. "Mitochondria"
Explanation :
Answer: C) Mitochondria Explanation: Cellular respiration is the multi-step process that creates energy from nutrients and food molecules. It begins in the cytoplasm of the cell, with the mitochondria functioning as the main organelle where the rest of the process continues and finishes. During respiration, glycolysis occurs in the cytoplasm of the cell.
Q: What is the main component of bones and teeth? 15466 05b5cc66de4d2b4197774bfee
5b5cc66de4d2b4197774bfee- 1Calcium Phosphatetrue
- 2Calcium Carbonatefalse
- 3Calcium Nitratefalse
- 4Calcium Sulphatefalse
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Answer : 1. "Calcium Phosphate"
Explanation :
Answer: A) Calcium Phosphate Explanation: The main component of bones and teeth is Calcium Phosphate.
Q: Movement of cell against concentration gradient is the called 1137 05c497b21508f62543faa5956
5c497b21508f62543faa5956- 1osmoisifalse
- 2active transporttrue
- 3diffusionfalse
- 4passive transportfalse
- 5osmoisifalse
- 6active transporttrue
- 7diffusionfalse
- 8passive transportfalse
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Answer : 2. "active transport" 6. "active transport"
Q: Which of the following is true of kinetochores? 3478 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 1737 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? 1117 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? 1201 05c497b5485451c5d3308c06d
5c497b5485451c5d3308c06d- 1Leaf and other chloroplast bearing partstrue
- 2stem and leaffalse
- 3Roots and chloroplast bearing partsfalse
- 4Bark and leaffalse
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