Transportation in Humans (Heart, Blood, Blood Vessels)Practice Questions & MCQs
Practice Transportation in Humans (Heart, Blood, Blood Vessels) questions from Life Processes (Class 10 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Transportation in Humans (Heart, Blood, Blood Vessels)Quiz - Solve & Score
Q1. What is the function of insulin?
- A.Regulates carbohydrate, protein and fat metabolism
- B.Regulates blood sugar levels
- C.Stimulates growth in all organs
- D.Regulates menstrual cycle
Answer: B. Regulates blood sugar levels
Eliminate first - option A) 'Regulates carbohydrate, protein and fat metabolism' misses the point - This is the function of thyroxin hormone, not insulin; option C) 'Stimulates growth in all organs' misses the point - This is the function of growth hormone, not insulin; option D) 'Regulates menstrual cycle' fails since This is the function of oestrogen, not insulin. That leaves only option B). Confirm with the chapter rule: As mentioned in the content, insulin regulates blood sugar levels (biology, chapter 'Life Processes'). Answer: B) Regulates blood sugar levels.
Q2. Is this information enough to tell you which of the traits - blood group A or O - is dominant? Why or why not?
- A.Yes, the information is enough to tell which trait is dominant.
- B.No, the information is not enough to tell which trait is dominant.
- C.The information is enough to tell which trait is dominant, but we need more information to determine the dominant trait.
- D.The information is not enough to tell which trait is dominant, but we can determine the dominant trait by looking at the parents.
Answer: B. No, the information is not enough to tell which trait is dominant.
NCERT fact (biology, chapter 'Life Processes'): No, the information is not enough to tell which trait is dominant. Distractor analysis: option A) 'Yes, the information is enough to tell which trait is domin...' fails since The information is not enough to tell which trait is dominant; option C) 'The information is enough to tell which trait is dominant,...' is wrong because The information is not enough to tell which trait is dominant. Final answer - B) No, the information is not enough to tell which trait is dominant.
Q3. Which statement about the working of the human heart is correct?
- A.The right atrium receives deoxygenated blood from the body and passes it to the right ventricle, which pumps it to the lungs
- B.The right atrium receives oxygenated blood from the lungs
- C.The left ventricle pumps deoxygenated blood to the lungs
- D.The left atrium sends deoxygenated blood to the body
Answer: A. The right atrium receives deoxygenated blood from the body and passes it to the right ventricle, which pumps it to the lungs
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