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Biology
What is the name of the theory that describes how life changes over time through natural selection, famously proposed by Charles Darwin?
A
Cell Theory
B
Gene Theory
C
Theory of Evolution
D
Germ Theory of Disease
Correct Answer
C
Biology
Which of the following organisms belongs to the Kingdom Fungi?
A
Amoeba
B
Mushroom
C
Cyanobacteria
D
Spirogyra
Correct Answer
B
Biology
Which plant hormone is primarily responsible for fruit ripening?
A
Auxin
B
Gibberellin
C
Ethylene
D
Abscisic acid
Correct Answer
C
Biology
What is the basic structural and functional unit of the human kidney?
A
Nephron
B
Neuron
C
Alveolus
D
Osteon
Correct Answer
A
Biology
Which macromolecule is primarily responsible for storing and transmitting genetic information?
A
Carbohydrates
B
Lipids
C
Proteins
D
Nucleic acids
Correct Answer
D
Biology
What is the main function of red blood cells in the human body?
A
To fight infections
B
To clot blood at injury sites
C
To transport oxygen to tissues
D
To produce hormones
Correct Answer
C
Biology
Which process results in the formation of four genetically diverse haploid daughter cells?
A
Mitosis
B
Meiosis
C
Binary fission
D
Budding
Correct Answer
B
Biology
In humans, which blood type is considered the universal donor?
A
A+
B
B-
C
AB+
D
O-
Correct Answer
D
Biology
What is the primary pigment used by plants to absorb light during photosynthesis?
A
Carotenoid
B
Xanthophyll
C
Chlorophyll
D
Anthocyanin
Correct Answer
C
Biology
Which of the following is known as the "powerhouse of the cell"?
A
Nucleus
B
Mitochondrion
C
Ribosome
D
Endoplasmic reticulum
Correct Answer
B