Biology Questions Practice Question and Answer
8 Q: Anemia disease is caused due to deficiency of which vitamin?
387 0624ec0aa67b2505d7e5b0d95
624ec0aa67b2505d7e5b0d95- 1Vitamin B12true
- 2Vitamin B1false
- 3Vitamin B3false
- 4Vitamin Cfalse
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Answer : 1. "Vitamin B12"
Explanation :
Symptoms of vitamin B12 deficiency or folate deficiency anemia develop slowly and are similar to those of other types of anemia, such as fatigue, weakness, and pale skin. Vitamin B12 deficiency can also cause nerve damage, the main symptoms of which include tingling, loss of touch, and muscle weakness. Confusion can arise when Vitamin B12 becomes too low. Vitamin B12 deficiency anemia in the elderly can be mistaken for dementia. This happens because of similar symptoms.
Q: Deficiency of which of these vitamins causes anaemia in humans?
276 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: Deficiency of which of these vitamin causes anaemia in humans?
231 064b529b82dc867f593f620ca
64b529b82dc867f593f620ca- 1Vitamin Dfalse
- 2Vitamin Bfalse
- 3Vitamin Afalse
- 4Vitamin B12true
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Answer : 4. "Vitamin B12"
Explanation :
Symptoms of vitamin B12 deficiency or folate deficiency anemia develop slowly and are similar to those of other types of anemia, such as fatigue, weakness, and pale skin. Vitamin B12 deficiency can also cause nerve damage, the main symptoms of which include tingling, loss of touch, and muscle weakness. Confusion can arise when Vitamin B12 becomes too low. Vitamin B12 deficiency anemia in the elderly can be mistaken for dementia. This happens because of similar symptoms.
Q: Which of the following mammalian organisms is not a common source of fibre?
156 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: In the context of the human nervous system, which part of the neuron receives information
130 06572edfe1691dabf7d6129e9
6572edfe1691dabf7d6129e9- 1Dendritetrue
- 2Mitochondriafalse
- 3Axonfalse
- 4Nerve endingfalse
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Answer : 1. "Dendrite"
Explanation :
1. Dendrites are projections of a neuron (nerve cell) that receive signals (information) from other neurons.
2. Transfer of information from one neuron to another is achieved through chemical signals and electrical impulses, i.e. electrochemical signals.
Q: Which one of the following is the richest source of vitamin C?
1092 05ef5840e196e681f76d9b537
5ef5840e196e681f76d9b537- 1Guavatrue
- 2Pineapplefalse
- 3Orangefalse
- 4Tomatofalse
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Answer : 1. "Guava "
Explanation :
(A) Guava
Guava is considered one of the richest sources of vitamin C among fruits. It contains a high concentration of ascorbic acid, which is a form of vitamin C. While other fruits like oranges and pineapples also contain vitamin C, guava surpasses them in terms of vitamin C content per serving. Tomatoes, although a good source of vitamin C, are generally lower in vitamin C compared to guava.
Q: Who discovered the polio vaccine –
725 05efc05b830aa3b4ee606c3c5
5efc05b830aa3b4ee606c3c5- 1Robert koachfalse
- 2Edward Generefalse
- 3Alexander Flemmingfalse
- 4Jones Salktrue
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Answer : 4. "Jones Salk "
Explanation :
(D) Jonas Salk
The polio vaccine was developed by Dr. Jonas Salk. He and his team conducted extensive research in the 1950s, leading to the development of the inactivated polio vaccine (IPV), which became widely used for the prevention of polio. The vaccine was a significant breakthrough in medical science and played a crucial role in the global effort to eradicate polio.
Q: Hair is composed of protein called –
1136 05efc055230aa3b4ee606c2d6
5efc055230aa3b4ee606c2d6- 1keratintrue
- 2Caseinfalse
- 3Globulinfalse
- 4Mucinfalse
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Answer : 1. "keratin "
Explanation :
(A) Keratin
Hair is primarily composed of a protein called keratin. Keratin is a fibrous structural protein that forms the main component of hair, as well as nails and the outer layer of the skin. It provides strength and resilience to these structures. The other options—Casein, Globulin, and Mucin—are proteins found in other parts of the body and have different functions.