Biology Practice Question and Answer
8 Q: Where is the Pineal Gland Situated?
1380 05f043bd0d3626553adad620d
5f043bd0d3626553adad620d- 1Kidneyfalse
- 2Uterusfalse
- 3Liverfalse
- 4Braintrue
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Answer : 4. "Brain "
Q: What is a single celled organism called 901 05b5cc604e4d2b4197774b4a8
5b5cc604e4d2b4197774b4a8- 1protoctistsfalse
- 2chromosomesfalse
- 3unicellulartrue
- 4bicellularfalse
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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: Essential elements for plant overdose?
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5ee83909109b5d6e015dc270- 1Nitrogentrue
- 2Sulfurfalse
- 3calciumfalse
- 4Phosphorusfalse
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Answer : 1. "Nitrogen"
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?
5676 05ee83b9079b5ea388bebfab5
5ee83b9079b5ea388bebfab5- 1epitheliumtrue
- 2musclefalse
- 3nervefalse
- 4connectivefalse
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