AFNS — AFNS Biology
Cell Biology
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#1 Powerhouse of the cell is:
A) Nucleus
B) Mitochondria
C) Golgi body
D) Lysosome
Answer: B
#2 Site of protein synthesis is:
A) Ribosome
B) Vacuole
C) Centriole
D) Chloroplast
Answer: A
#3 Cell membrane is mainly made of:
A) Cellulose
B) Phospholipids and proteins
C) Starch
D) Chitin
Answer: B
#4 Plant cells differ from animal cells by having:
A) Nucleus
B) Cell wall
C) Mitochondria
D) Ribosomes
Answer: B
#5 Chromosomes are made of:
A) Lipids
B) DNA and proteins
C) Carbohydrates
D) RNA only
Answer: B
#6 Osmosis is movement of:
A) Solute
B) Solvent through semi-permeable membrane
C) Gas
D) Heat
Answer: B
#7 Active transport requires:
A) No energy
B) ATP energy
C) Only diffusion
D) Gravity
Answer: B
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