Biology Questions Practice Question and Answer
8 Q: "B" represents the gene for brown coat colour and “b” represents the gene for white coat colour. In the cross BB x bb all the offsprings have a brown coat. Which genetic principle is illustrated by this cross?
919 062ebdbdbceafbe581b7c9cf6
62ebdbdbceafbe581b7c9cf6- 1Multiple allelesfalse
- 2Dominancetrue
- 3Co-dominancefalse
- 4Crossing-overfalse
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Answer : 2. "Dominance "
Q: Are carriers of infectious diseases?
918 06036348aa0666c3c8505f82f
6036348aa0666c3c8505f82f- 1flyfalse
- 2Dogsfalse
- 3Mosquitofalse
- 4None of thesetrue
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Answer : 4. "None of these"
Q: Match the columns.
Nutrients Examples
a. Protein I. Calcium, Phosphorous
b. Carbohydrates II. Cholesterol
c. Fat III. Glucose
d. Minerals IV. Myosin
911 0649a968cc7d7c7e0672b6e9a
649a968cc7d7c7e0672b6e9aNutrients Examples
a. Protein I. Calcium, Phosphorous
b. Carbohydrates II. Cholesterol
c. Fat III. Glucose
d. Minerals IV. Myosin
- 1a-i, b-iii, c-ii, d-ivfalse
- 2a-iii, b-iv, c-ii, d-ifalse
- 3a-i, b-ii, c-iii, d-ivfalse
- 4a-iv, b-iii, c-ii, d-itrue
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Answer : 4. "a-iv, b-iii, c-ii, d-i"
Explanation :
Explanation:
Nutrient Example
Protein Myosin
Carbohydrate Sugar
Fat Cholesterol
Minerals Calcium, Phosphorus
1. Protein is one of the essential nutrients for the body. It is essential for building and repairing muscles, skin, hair, nails and other tissues. Myosin is a protein responsible for muscle contraction.
2. Carbohydrates are the main source of energy for the body. They are found in the form of starch, glucose and fiber. Sugar is a type of carbohydrate that is easily digested by the body and provides energy.
3. Fats are essential nutrients for the body. They help keep the body warm, produce hormones, and build cell walls. Cholesterol is a type of fat made by the body. It is essential for the body, but in excess can cause health problems.
4. Minerals are essential nutrients for the body. They form structural components of the body, help produce hormones, and regulate body functions. Calcium and phosphorus are two important minerals that are necessary for the formation of bones and teeth.
Q: Which of the following body parts is directly affected in the disease called rickets?
907 064a2b07346047484bc8da336
64a2b07346047484bc8da336- 1Eyesfalse
- 2Tonguefalse
- 3Spleenfalse
- 4Bonestrue
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Answer : 4. "Bones"
Explanation :
1. Rickets is a bone disease caused by vitamin D deficiency.
2. Due to rickets, the absorption of calcium and phosphorus in the bones decreases.
3. The solution to protect exclusively breastfed babies from this disease is Vitamin D supplements.
Q: Is the medium for spreading infectious diseases?
901 060363501e62cee435672ed74
60363501e62cee435672ed74- 1Waterfalse
- 2Airfalse
- 3bothtrue
- 4None of thesefalse
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Answer : 3. "both"
Q: A disease named tuberculoris arises?
900 0603632f8a0666c3c8505f38c
603632f8a0666c3c8505f38c- 1Bacteriatrue
- 2Malnutritionfalse
- 3Protozoafalse
- 4by virusfalse
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Answer : 1. "Bacteria"
Q: Which of these is not a characteristic of the iris?
900 063cfc26296cf700df49c9d95
63cfc26296cf700df49c9d95- 1It is opaquefalse
- 2It is a part of the scleratrue
- 3It is a continuation of the ciliary bodiesfalse
- 4It is pigmentedfalse
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Answer : 2. "It is a part of the sclera"
Q: Yeast is an important source of
898 06389c16bc878936066e772a9
6389c16bc878936066e772a9- 1Vitamin Cfalse
- 2Proteinfalse
- 3Vitamin Btrue
- 4Invertasefalse
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