Biology Practice Question and Answer
8 Q: Which of the following is a root ?
1035 0626696b0e1e2a840c333c6c4
626696b0e1e2a840c333c6c4- 1Potatofalse
- 2Onionfalse
- 3Carrottrue
- 4gingerfalse
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Answer : 3. "Carrot "
Explanation :
Yams, beets, parsnips, turnips, rutabagas, carrots, yuca, kohlrabi, onions, garlic, celery root (or celeriac), horseradish, daikon, turmeric, jicama, Jerusalem artichokes, radishes, and ginger are all considered roots. Because root vegetables grow underground, they absorb a great amount of nutrients from the soil.
Q: Which of the following statements about bryophytes is not true?
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64c22dd629beb3482a35656e- 1They are called amphibians of the plant kingdom.false
- 2The presence of a special tissue is found in these for the flow offalse
- 3water and other substances from one part of the plant body to another. Their body is generally differentiated by taking the form of stem and leaf-like structures.true
- 4Moss (Funaria) and Marchantia are examples of bryophytes.false
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Answer : 3. "water and other substances from one part of the plant body to another. Their body is generally differentiated by taking the form of stem and leaf-like structures. "
Explanation :
All the given statements about bryophytes are true.
1. They are called amphibians of the plant kingdom.
2. The presence of a special tissue is found in these for the flow of
3. Moss (Funaria) and Marchantia are examples of bryophytes.
Q: Which of the following enzymes is found in saliva of human body which breaks down starch into simple sugar?
1033 0641975a167ad957a978915b3
641975a167ad957a978915b3- 1Amylasetrue
- 2Trypsinfalse
- 3Pepsinfalse
- 4Reninfalse
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Answer : 1. "Amylase "
Q: The_______is at its largest in children, but with the onset of puberty, it eventually shrinks and gets replaced by fat.
1032 06411b5303218fd8d14928dd3
6411b5303218fd8d14928dd3- 1Parathyroid glandfalse
- 2Thymustrue
- 3Hypothalamusfalse
- 4Pituitary glandfalse
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Answer : 2. "Thymus"
Explanation :
1. It is at its greatest in children.
2. With puberty, it eventually shrinks and is replaced by fat.
3. It produces and secretes thymosin, an essential hormone for T cell development and production.
4. Thymus gland is a small organ located under the breast bone in the upper chest.
5. It produces white blood cells, called lymphocytes, which protect the body from infection.
Q: Nyctalopia, more commonly known as Night Blindness, is caused by the deficiency of which nutrient?
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64bfc7da2d3130f575545330- 1Vitamin Cfalse
- 2Magnesiumfalse
- 3Potassiumfalse
- 4Vitamin Atrue
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Answer : 4. "Vitamin A"
Explanation :
1. Nyctalopia (night blindness) is caused by deficiency of Vitamin A.
2. Foods rich in Vitamin A are carrots, spinach, sweet potatoes, lettuce, etc.
3. Vitamin A deficiency can cause damage to rod cells, which reduces the ability to see in low light.
Q: What is the full form of OCD?
1028 0644be3960c6225ce3562a392
644be3960c6225ce3562a392- 1Obesity-Compulsive Disorderfalse
- 2Obsession-Controlling Devicefalse
- 3Obesity-Controlling Devicefalse
- 4Obsessive-Compulsive Disordertrue
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Answer : 4. "Obsessive-Compulsive Disorder"
Q: Which of these animals have external and internal skeleton?
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61110aa388e05669409e4dde- 1Cockroachfalse
- 2Earthwormfalse
- 3Frogsfalse
- 4Snaketrue
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Answer : 4. "Snake"
Q: In biological terms, _______ is a relationship between two organisms in which one organism benefits and the other is unaffected.
1023 062bec68925fd051a656575ba
62bec68925fd051a656575ba- 1Parasitismfalse
- 2Mutualismfalse
- 3Amensalismfalse
- 4Commensalismtrue
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