Biology Practice Question and Answer
8 Q: The study of properties and method of biological systems found in nature and use of this knowledge in mechanical world is known as –
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5ee85e2ec9ddb00b8bda9b8d- 1Bionicstrue
- 2Bionomicsfalse
- 3Bionomyfalse
- 4Biometryfalse
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Answer : 1. "Bionics"
Q: Photosynthesis contributes to plant growth by 1353 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: 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: Which of the following is true of kinetochores? 3217 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: What process immediately preceeded protein synthesis at the ribosome? 1316 05b5cc5ffe4d2b4197774b417
5b5cc5ffe4d2b4197774b417- 1transcriptiontrue
- 2replicationfalse
- 3translationfalse
- 4duplicationfalse
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Answer : 1. "transcription"
Explanation :
Answer: A) transcription Explanation: Protein synthesis at the ribosome is immediately preceeded by the transcription process.
Q: In what organelle does cellular respiration take place? 882 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: It causes clotting of blood –
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5ee35cfb55d51a0f6482c48f- 1Thrombintrue
- 2Hemoglobinfalse
- 3Pectinfalse
- 4All of the abovefalse
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Answer : 1. "Thrombin "
Q: Which tissue forms the gland?
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5ee83b9079b5ea388bebfab5- 1epitheliumtrue
- 2musclefalse
- 3nervefalse
- 4connectivefalse
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