Biology Practice Question and Answer
8Q: What organelle carries out photosynthesis? 1272 05b5cc607e4d2b4197774b53f
5b5cc607e4d2b4197774b53f- 1Chloroplaststrue
- 2Ribosomesfalse
- 3Chromosomesfalse
- 4All of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
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: Daydreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of 2105 05b5cc601e4d2b4197774b4a0
5b5cc601e4d2b4197774b4a0- 1waking consciousnessfalse
- 2self-absorptionfalse
- 3altered states of consciousnesstrue
- 4self-awarenessfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "altered states of consciousness"
Explanation :
Answer: C) altered states of consciousness Explanation: Consciousness is the state or quality of awareness, or, of being aware of an external object or something within oneself. Day dreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of altered states of consciousness . In al these states, a person's state of conscious is altered but he has consciousness.
Q: Which of the following is not a prime cost? 2093 05b5cc5ffe4d2b4197774b3f9
5b5cc5ffe4d2b4197774b3f9- 1Supervisor's wagestrue
- 2Assembly line wagesfalse
- 3Machine operators wagesfalse
- 4Direct labor wagesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Supervisor's wages"
Explanation :
Answer: A) Supervisor's wages Explanation: The prime cost calculates the use of raw materials and direct labor, but does not factor in indirect expenses, such as advertising and administrative costs. Supervisor's wages doesn;t come under prime cost.
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
- Show AnswerHide Answer
- Workspace
- SingleChoice
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 is a single celled organism called 1199 05b5cc604e4d2b4197774b4a8
5b5cc604e4d2b4197774b4a8- 1protoctistsfalse
- 2chromosomesfalse
- 3unicellulartrue
- 4bicellularfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "unicellular"
Explanation :
Answer: C) unicellular Explanation: An organism is a living thing, and there are two broad categories of organisms: those made up of only a single cell, and those made up of multiple cells. Single-celled organisms means which contains only one cell are called unicellular organisms. 'Uni-' means 'one,' so the name 'unicellular' literally means 'one cell.' Examples of Unicellular or Single celled organisms :: Prokaryotic organisms like Bacteria,... Some algae like green algae, euglena,...
Q: Which of the following is true of kinetochores? 3673 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
- Show AnswerHide Answer
- Workspace
- SingleChoice
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? 1763 05b5cc5ffe4d2b4197774b417
5b5cc5ffe4d2b4197774b417- 1transcriptiontrue
- 2replicationfalse
- 3translationfalse
- 4duplicationfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
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? 1250 05b5cc604e4d2b4197774b4f8
5b5cc604e4d2b4197774b4f8- 1Cytoplasmfalse
- 2Ribosomesfalse
- 3Mitochondriatrue
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
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.