The diagram shows how some apparatus is set up to investigate respiration in germinating seeds. coloured oil drop capillary tube germinating seeds wire mesh sodium hydroxide (to absorb carbon dioxide) water-bath thermometer The coloured oil drop moves along the capillary tube. What causes the movement of the coloured oil drop?

5090_w24_qp_12

MCQ

2024

Paper 1, Variant 2

View

The diagram shows a transverse section from the middle of a root of a dicotyledonous plant. In which tissue are sugars and amino acids transported?

5090_s05_qp_1

MCQ

2005

Paper 1, Variant 0

View

The photomicrograph shows a section of part of the root of a plant. Through which tissue are sugars and amino acids transported?

5090_s06_qp_1

MCQ

2006

Paper 1, Variant 0

View

The diagram shows a transverse section from the middle of a root of a dicotyledonous plant. In which tissue are sugars and amino acids transported?

5090_s08_qp_1

MCQ

2008

Paper 1, Variant 0

View

The diagrams show transverse sections of a plant stem and of a plant root. stem root Which regions contain xylem vessels?

5090_s15_qp_12

MCQ

2015

Paper 1, Variant 2

View

shows a plant with a magnified transverse section (TS) of the root and an incomplete, magnified transverse section (TS) of the stem. incomplete, magnified transverse section (TS) of stem magnified transverse section (TS) of root The transverse section of the root in shows the distribution of xylem and phloem tissue. Using a labelling line and the letter X, show, on , the location of the xylem tissue in the transverse section (TS) of the root. Complete the transverse section (TS) of the stem in to show the distribution of xylem and phloem tissue. Using a label line and the letter P, show the location of the phloem tissue that you have drawn. State the functions of phloem tissue.

5090_s16_qp_21

THEORY

2016

Paper 2, Variant 1

View

The photograph shows the cells of a vascular bundle from a stem, as seen using a microscope. G What is tissue G, and what is its function?

5090_s18_qp_11

MCQ

2018

Paper 1, Variant 1

View

The diagram shows a section through part of a dicotyledonous leaf, as seen under the microscope. Where is the xylem?

5090_w14_qp_12

MCQ

2014

Paper 1, Variant 2

View

Which diagram shows the position of phloem tissue in a herbaceous, dicotyledonous root?

5090_w20_qp_11

MCQ

2020

Paper 1, Variant 1

View

The diagrams show transverse sections of a dicotyledonous root and stem. M N K L Which tissues transport sugar?

5090_w20_qp_12

MCQ

2020

Paper 1, Variant 2

View

---