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Biology
Which blood cells help fight infections?
A
Red blood cells
B
White blood cells
C
Platelets
D
Plasma cells
Correct Answer
B
Biology
What does DNA stand for?
A
Deoxyribonucleic Acid
B
Dioxyribose Nucleic Acid
C
Deoxyribose Nitrogen Acid
D
Double Nucleic Acid
Correct Answer
A
Biology
Which molecule carries genetic information in most living organisms?
A
Protein
B
DNA
C
Glucose
D
Lipid
Correct Answer
B
Biology
Which gas is released during photosynthesis?
A
Carbon dioxide
B
Nitrogen
C
Oxygen
D
Hydrogen
Correct Answer
C
Biology
What process do green plants use to make their food?
A
Respiration
B
Digestion
C
Photosynthesis
D
Fermentation
Correct Answer
C
Biology
Which pigment gives plants their green color?
A
Hemoglobin
B
Melanin
C
Chlorophyll
D
Carotene
Correct Answer
C
Biology
Which organelle controls most activities of a cell?
A
Nucleus
B
Lysosome
C
Vacuole
D
Ribosome
Correct Answer
A
Biology
Which organelle is known as the powerhouse of the cell?
A
Ribosome
B
Mitochondria
C
Nucleus
D
Golgi apparatus
Correct Answer
B
Biology
What is the basic structural and functional unit of life?
A
Tissue
B
Organ
C
Cell
D
Nucleus
Correct Answer
C
Biology
The term biology was introduced in__________ in 1800?
A
japan
B
Italy
C
turkey
D
Germany
Correct Answer
D