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OCR GCE A LEVEL BIOLOGY A PAPER 2 QUESTION PAPER 2023 (H420/02: Biological diversity)
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OCR GCE A LEVEL BIOLOGY A PAPER 2 QUESTION PAPER 2023 (H420/02: Biological diversity). DOWNLOAD OFFICIAL AND VERIFIED OCR GCE A LEVEL BIOLOGY A PAPER 2 QUESTION...
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OCR GCE A LEVEL BIOLOGY A PAPER 2 QUESTION PAPER 2023 (H420/02: Biological diversity). DOWNLOAD OFFICIAL AND VERIFIED OCR GCE A LEVEL BIOLOGY A PAPER 2 QUESTION PAPER 2023 ON www.leakedexams.com.


1 Which option correctly describes a tissue?
 A A group of cells performing similar functions
 B A group of organs performing a specific function
 C A group of similar cells performing a specific function
 D A group of similar cells performing a variety of functions
Your answer [1]
2 Bone marrow stem cells are a source of erythrocytes.
Which statement about bone marrow stem cells and their role in the production of erythrocytes is
correct?
 A Bone marrow stem cells are totipotent and can therefore differentiate into any type of cell.
 B Erythrocytes are the only blood cell produced from bone marrow stem cells.
 C Erythrocytes need to be replaced from bone marrow stem cells because erythrocytes are
unable to undergo mitosis.
 D In humans, differentiation of bone marrow stem cells into erythrocytes involves the synthesis
of a haploid nucleus.
Your answer [1]


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Author OCR KING
Published 30 Jul 2024
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H420 H420/02 OCR GCE BIOLOGY A PAPER 2 MARK SCHEME 2023 OCR A LEVEL BIOLOGY A PAPER 2 OCR BIOLOGY A PAPER 2 2023 BIOLOGY A PAPER 2 OCR OCR BIOLOGY A 2023 OCR A LEVEL BIOLOGY A PAPER 2 2023 A LEVEL BIOLOGY 2023 A LEVEL BIOLOGY 2023
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