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Answer ALL questions. Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 The photograph shows a fungus called Mucor growing on an agar plate. Cells within Mucor contain nuclei and mitochondria. (Source: © Dr_Microbe/Alamy Stock Photo) (a) (i) Which of these is a correct statement about the fungus, Mucor? (1) A Mucor is a eukaryotic organism with cell walls made of chit...

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63 pages

Written in 2025/2026

Grade A+

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Answer ALL questions. Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 The image shows some cells from onion epidermis. (Source: © TED KINSMAN / SCIENCE PHOTO LIBRARY) (a) (i) Some structures in these onion cells are also found in human red blood cells. Which row in the table is correct for human red blood cells

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(1)

64 pages

Written in 2024/2025

Grade A+

STUDENTROOM

Pearson Edexcel International GCSE (9–1) 4BI1/1B 4SD0/1B Paper 1B,1BR,2B, and 2BR Biology UNIT: 4BI1 Science (Double Award) 4SD0 June 2025 Questions paper markscheme

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4 items

BESTSTUDYMATERIALS

Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B , 1BR ,2B and 2BR June 2025 + Mark scheme

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4 items

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE (9–1) 4BI1/1BR 4SD0/1BR Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1BR May 2025 + Mark Scheme

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63 pages

Written in 2025/2026

Grade A+

HIGHQUALITYEDEXCELSOLUTIONS

Pearson Edexcel International GCSE (9-1) 4BI1 Biology UNIT: PAPER 1B,1BR ,2B and 2BR Science (Double Award) 4SD0 QP + MS JUNE 2024

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4 items

STUDENTROOM

Mark Scheme (Results) Summer 2024 Pearson Edexcel International GCSE In Biology (4BI1) Paper 1BR

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63 pages

Written in 2024/2025

Grade A+

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