General Science - Biology MCQs

71. Uptake of glucose in the intestines in humans can take place when ___:

[A] The concentration of glucose in blood is more than intestines
[B] The concentration of glucose in blood is less than intestines
[C] The concentration of glucose in blood is equal to intestines
[D] In all the above conditions

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72. Which among the following is / are correct deference(s) between an artery and a vein?

  1. Generally, an artery has thick muscular wall while a vein has thin muscular wall
  2. Generally, arteries are located deeper in the body, while veins are closer to the skin
  3. Generally, valves are absent in arteries while present in veins

Select the correct option from the codes given below:

[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3

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73. When you throw a ball with an angle to the horizontal (projectile); the ball has __:

[A] Uniform velocity in horizontal direction but uniform acceleration in vertical direction
[B] Uniform acceleration in horizontal direction but uniform velocity in vertical direction
[C] Uniform acceleration in both horizontal and vertical directions
[D] Uniform velocity in both horizontal and vertical directions

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74.   Consider the following statements about Phytomining:

  1. It is a way to mine plants for chemicals that can be used for manufacturing and industrial purposes
  2. This method has been used worldwide in recent years primarily to harvest germanium

  Which of the above statements is/are correct?

[A] 1 Only
[B] 2 Only
[C] Both 1 & 2
[D] Neither 1 nor 2

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75. Consider the following differences between cyanobacteria and bacteria:

  1. While cyanobacteria possess chlorophyll, most bacteria do not contain chlorophyll
  2. Both cyanobacteria and bacteria possess the ability to fix nitrogen

Which of the above statements is/are correct?

[A] 1 Only
[B] 2 Only
[C] Both 1 & 2
[D] Neither 1 nor 2

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76. Which of the following diseases is spread by mosquitoes but is not a viral disease?

[A] Meningitis
[B] Dengue fever
[C] Yellow fever
[D] Filariasis

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77.    Consider the following statements about different types of enzymes:

  1. Proteases enzymes break down proteins and peptides
  2. Maltase enzyme catalyses the hydrolysis of starch into sugars
  3. Renin enzyme catalyzes the conversion of a plasma protein called angiotensinogen 

  Which of the above statements is/are correct?

[A] 1 & 3 Only
[B] 2 & 3 Only
[C] 1 & 2 Only
[D] 1, 2 & 3

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78.  Consider the following glands:

  1. Pancreas
  2. Pituitary Gland
  3. Hypothalamus

Which of the above are endocrine glands?

[A] 1 & 2 Only
[B] 3 Only
[C] 1, 2 & 3
[D] None

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79.     Consider the following statements:

  1. Leukemia causes overproduction of white blood cells
  2. Patients with leukemia are treated with chemotherapy

   Which of the above statements is/are correct?

[A] 1 Only
[B] 2 Only
[C] Both 1 & 2
[D] Neither 1 nor 2

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80. Which of the following organs of human body secrete digestive enzymes?

  1. Salivary glands
  2. Liver
  3. Small intestine
  4. Stomach

Select the correct option from codes given below:

[A] 1, 2 & 3 Only
[B] 2, 3 & 4 Only
[C] 1, 3 & 4 Only
[D] 1, 2, 3 & 4

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