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Foundations of Biological Science Quiz

#1

Which organelle is known as the powerhouse of the cell?

Mitochondrion
Explanation

Mitochondrion is the organelle responsible for producing energy (ATP) through cellular respiration.

#2

Which scientist proposed the theory of evolution by natural selection?

Charles Darwin
Explanation

Charles Darwin is credited with proposing the theory of evolution by natural selection, outlining the mechanism for the process of evolution.

#3

Which of the following is responsible for carrying oxygen in the bloodstream?

Hemoglobin
Explanation

Hemoglobin is the molecule in red blood cells that binds and carries oxygen, facilitating its transport through the bloodstream.

#4

Which of the following is NOT a type of tissue in the human body?

Lymphatic tissue
Explanation

Lymphatic tissue is not a primary tissue type in the human body; it is part of the lymphatic system.

#5

Which of the following is responsible for breaking down waste materials in a cell?

Lysosome
Explanation

Lysosomes are cellular organelles that contain enzymes responsible for breaking down waste materials and cellular debris.

#6

What is the primary function of DNA in living organisms?

Storage and transmission of genetic information
Explanation

DNA serves as the molecule that stores and transmits genetic information, carrying the instructions for the development, functioning, and reproduction of living organisms.

#7

Which of the following is NOT a kingdom in the classification of living organisms?

Domain
Explanation

Domain is not a kingdom; it is a higher taxonomic rank that includes kingdoms.

#8

What is the correct order of the stages in the cell cycle?

Interphase, Prophase, Metaphase, Anaphase, Telophase
Explanation

The cell cycle progresses through these stages: Interphase, Prophase, Metaphase, Anaphase, and Telophase, leading to cell division.

#9

What is the function of chlorophyll in photosynthesis?

To absorb light energy
Explanation

Chlorophyll, found in chloroplasts, absorbs light energy during photosynthesis, initiating the conversion of light energy into chemical energy.

#10

What is the approximate percentage of water in the human body?

70%
Explanation

Approximately 70% of the human body consists of water, playing a crucial role in various physiological processes.

#11

What is the role of RNA in protein synthesis?

RNA carries the genetic code from DNA to ribosomes
Explanation

RNA acts as a messenger, carrying the genetic information from DNA to the ribosomes, where protein synthesis occurs.

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