Biology Test 2 General Science Aptitude

Biology Test 2 General Science Aptitude
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Question 1

What is the smallest unit of life?
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The cell is the smallest unit of life, capable of carrying out all necessary life processes such as metabolism, growth, and reproduction.
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Question 2

The longest bone in the body of human being is_____?
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The femur is the longest and strongest bone in the human body, extending from the hip to the knee.
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Question 3

The pH of human blood is between _____?
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Normal blood pH is slightly alkaline, maintained between 7.35 and 7.45, which is essential for proper enzymatic and metabolic activity.
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Question 4

What is the largest organ of the human body?
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The skin is the largest organ of the body, serving as a protective barrier, regulating temperature, and preventing water loss.
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Question 5

What is Penicillin?
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Penicillin is the first widely used antibiotic, discovered by Alexander Fleming, effective against many bacterial infections.
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Question 6

A person having AB-group of blood to donate a person having___?
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A person with AB blood group can donate blood only to AB recipients, since it contains both A and B antigens.
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Question 7

Which is the longest cell?
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Nerve cells (neurons) are the longest cells in the human body, with some extending over a meter in length.
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Question 8

The outermost layer of skin is known as ______?
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The epidermis is the outermost protective layer of the skin, primarily made of keratinized epithelial cells.
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Question 9

Which of the following is known as \"graveyard\" of Red Blood Cells?
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The spleen is called the graveyard of RBCs because old and worn-out red blood cells are destroyed there.
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Question 10

Which of the following vitamins helps in the absorption of calcium?
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Vitamin D promotes calcium absorption in the intestine, playing a crucial role in maintaining healthy bones.
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Biology test-2 General-science Aptitude
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