Biology Questions Practice Question and Answer
8 Q: The phrase ‘Survival of the fittest’ as a way of describing the mechanism of natural selection was coined by __________.
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632c571b5c208a6bf7eb5de5- 1Louis Pasteurfalse
- 2Charles Babbagefalse
- 3Herbert Spencertrue
- 4Marie Curiefalse
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Answer : 3. "Herbert Spencer"
Q: All of the following are excretory (waste) products of animals, except
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62cd62a3e05adc389382a29f- 1Carbohydratestrue
- 2Ureafalse
- 3Uric Acidfalse
- 4Ammoniafalse
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Answer : 1. "Carbohydrates"
Q: Psidium guajava is the scientific name of ___________.
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62de81d98c996774cb938ba5- 1Guavatrue
- 2Mangofalse
- 3Bamboofalse
- 4Jack fruitfalse
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Answer : 1. "Guava"
Q: About 70% of the Sun is made up of ____.
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632c5cf65c208a6bf7eb9dac- 1Hydrogentrue
- 2Oxygenfalse
- 3Carbonfalse
- 4Heliumfalse
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Answer : 1. "Hydrogen"
Q: Which of the following is incorrect regarding the shapes of the three portions of the small intestine?
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63c7a80bb338bc336f08b810- 1Duodenum-C shapefalse
- 2Duodenum-J shapetrue
- 3Ileum-highly coiledfalse
- 4jejunum-long coiledfalse
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Answer : 2. "Duodenum-J shape"
Q: What is the osmolarity(in mO smolL–1) in the outer cortex and inner medullary region?
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63c8fa49bd6d90332092c5a3- 1300 and 900 respectivelyfalse
- 2600 and 300 respectivelyfalse
- 31200 and 300 respectivelyfalse
- 4300 and 1200 respectivelytrue
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Answer : 4. "300 and 1200 respectively"
Q: Which is a specialised excretory cell found in Platyhelminthes that acts like a kidney, removing waste material through filtration?
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64a67f809a74b54cff5c6cec- 1Fat cellfalse
- 2Flame celltrue
- 3Stem cellfalse
- 4Sponge cellfalse
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Answer : 2. "Flame cell"
Explanation :
1. Which is a special excretory cell found in Platyhelminthes which acts like a kidney, and the flame cell does the work of removing waste material through filtration?
Q: Which is the smallest bone in the human body?
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64b1793ce154aff533669d03- 1Stapestrue
- 2Phalangesfalse
- 3Humerusfalse
- 4Pelvisfalse
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Answer : 1. "Stapes"
Explanation :
1. The smallest bone in the human body is the stapes.
2. This bone is located in the middle ear.
3. The length of the stapes is about 3 millimeters.