Biology Practice Question and Answer
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60363803e62cee435672f5ba Answer : 1. "Titanus"
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Q: Which of the following is not a simple permanent tissue?
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5f869cb5b7ad805e26c0cecc- 1Collenchymafalse
- 2Xylemtrue
- 3Cambiumfalse
- 4Top meristemfalse
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Answer : 2. "Xylem"
Q: What is the unit of Nervous system?
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5f6c2ec6f9079a64e3b6302f- 1Brainfalse
- 2Spinal Cordfalse
- 3Nervesfalse
- 4Neurontrue
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Answer : 4. "Neuron "
Q: If the radius of a person's blood vessels decreases, what will be the effect on his blood pressure?
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5f86b5978a599d39499b39d2- 1increasetrue
- 2decreasefalse
- 3remain unchangedfalse
- 4None of thesefalse
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Answer : 1. "increase"
Q: The endoplasmic reticulum was discovered?
1620 05ee83caca08a50198d8d021d
5ee83caca08a50198d8d021d- 1Portertrue
- 2Darwinfalse
- 3Huxleyfalse
- 4Purkinjefalse
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Answer : 1. "Porter"
Q: Which of the following is a disease caused by bacteria?
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60363803e62cee435672f5ba- 1Titanustrue
- 2Malariafalse
- 3Poliomyelitisfalse
- 4Filariafalse
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Answer : 1. "Titanus"
Explanation :
All of these diseases are caused by bacteria i.e. Pneumonia, Cholera, Tuberculosis. Cancer is caused by uncontrolled cell division. Pneumonia is caused by a bacterium Streptococcus pneumoniae. Cholera is caused by a bacterium Vibrio cholerae.
Q: Which of the following is correct about cold-blooded animals?
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6152af9e6689780f85cb5c09- 1Their body temperature remains constant all the timefalse
- 2They kill all the animalsfalse
- 3Their blood remains cold all the timefalse
- 4Their body temperature changes in accordance with the atmospheretrue
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Answer : 4. "Their body temperature changes in accordance with the atmosphere "
Q: Which of the following is NOT a part of the endocrine system?
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60f7aeb35ae2256f5e7ec0d6- 1Pineal glandfalse
- 2Salivary glandtrue
- 3Thymusfalse
- 4Adrenal glandfalse
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Answer : 2. "Salivary gland"
Q: Which of the following parts of the eye has been 3D printed by scientists in 2018?
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5f6c2cab884ff270def7d227- 1Irisfalse
- 2lensfalse
- 3Retinafalse
- 4corneatrue
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Answer : 4. "cornea"
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