Biology Practice Question and Answer
8 Q: Which of the following mammalian organisms is not a common source of fibre?
494 06576f163e367ac7b2ea394d7
6576f163e367ac7b2ea394d7- 1zebratrue
- 2Embers Goatfalse
- 3Llamafalse
- 4Alpacafalse
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Answer : 1. "zebra"
Explanation :
Mammals are a common source of fibre.
1. Embers Goat
3. Llama
4. Alpaca
Q: RNA is a polymeric molecule. What does RNA stand for?
494 062cd631351fe3472d6b304b3
62cd631351fe3472d6b304b3- 1Rhino Nuclear Acidfalse
- 2Resto Nucleus Acidfalse
- 3Rado Nuclear Acidfalse
- 4Ribo Nucleic Acidtrue
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Answer : 4. "Ribo Nucleic Acid"
Q: Deficiency of which of these vitamins causes anaemia in humans?
492 06491a2a3cae316dfef688b29
6491a2a3cae316dfef688b29- 1Vitamin Cfalse
- 2Vitamin Bfalse
- 3Vitamin Afalse
- 4Vitamin B12true
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Answer : 4. "Vitamin B12"
Explanation :
1. Anemia in humans is caused by a deficiency of Vitamin B12.
2. Vitamin B12 is a water-soluble vitamin
3. Which is necessary for the formation of red blood cells?
4. The most common cause of anaemia is low iron levels in the body. This type of anaemia is called iron deficiency anaemia.
Q: Which of the following enzymes is found in saliva of human body which breaks down starch into simple sugar?
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641975a167ad957a978915b3- 1Amylasetrue
- 2Trypsinfalse
- 3Pepsinfalse
- 4Reninfalse
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Answer : 1. "Amylase "
Q: Which one is the first heart sound?
490 063c8f9eb8731ac33279f097b
63c8f9eb8731ac33279f097b- 1Lub during closure semilunar valvesfalse
- 2Lub during closure of atrio-ventricular valvestrue
- 3Dub during closure of atrio- ventricular valvesfalse
- 4Dub during closure of semilunarvalevesfalse
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Answer : 2. "Lub during closure of atrio-ventricular valves"
Q: Which of the following is a correct match?
487 063cfc2cb0d9e560db8e69d3f
63cfc2cb0d9e560db8e69d3f- 1Down's syndrome - 21st chromosometrue
- 2Sickle-cell anaemia - X-chromosomefalse
- 3Haemophilia - Y- chromosomefalse
- 4Parkinson's - X and Y-chromosomefalse
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Answer : 1. "Down's syndrome - 21st chromosome "
Q: All of the following are excretory (waste) products of animals, except
486 062cd62a3e05adc389382a29f
62cd62a3e05adc389382a29f- 1Carbohydratestrue
- 2Ureafalse
- 3Uric Acidfalse
- 4Ammoniafalse
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Answer : 1. "Carbohydrates"
Q: A/an ______ is any substance that causes your immune system to produce antibodies against it.
485 0644be2dc244f7ecdff5f7a7c
644be2dc244f7ecdff5f7a7c- 1proteinfalse
- 2glucosefalse
- 3plateletfalse
- 4antigentrue
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