AQA GCSE Science Biology Higher Tier EXAM QUESTIONS 42 TERMS WITH VERIFIED DEFINITIONS UPDATED 2024

AQA GCSE Science (Biology) Higher Tier 42
CORRECTLY ANSWERED QUESTIONS LATEST
UPDATE

1). Independent variable

 Ans: The variable you change


2). Dependent variable

 Ans: The variable you observe


3). Control variable

 Ans: The variable you keep the same


4). Magnification

 Ans: The change in size of an image


5). Resolution

 Ans: How clearly can you see 2 objects that are very close together


6). Actual size formula

 Ans: Image Size divide by Magnification


7). Magnification formula

 Ans: Image Size divide by Actual Size


8). Nucleus

 Ans: Control center of the cell that contains DNA




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, 9). Cytoplasm

 Ans: A jellylike fluid inside the cell where most chemical reactions happen


10). Cell membrane

 Ans: A thin barrier around the cell that controls which substances can enter or leave
the cell.


11). Mitochondria

 Ans: Tiny structures in the cell where most of the reactions for aerobic respiration take
place, respiration releases energy for the cell


12). Cell wall

 Ans: A rigid outer coating that gives support to the cell


13). Vacuole

 Ans: Filled with cell sap, a weak solution of sugar and salts


14). Chloroplast

 Ans: Contains chlorophyll for photosynthesis


15). Ribosomes

 Ans: Tiny round structures where new proteins are made for the cell


16). Eukaryote

 Ans: A cell that contains a nucleus


17). Prokaryote

 Ans: A cell without a nucleus


18). Adaptation




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