16.3. Sexual reproduction in plants
A subsection of Biology, 0610, through 16. Reproduction
Listing 10 of 316 questions
For Examiner's Use shows a section through an insect-pollinated flower. D A B C Name the parts labelled A, B, C and D as shown on . A B C D Define the term pollination. For Examiner's Use Pollination can be carried out by insects or by wind. Describe four features of flowers that would show they are insect-pollinated. Wind-pollinated flowers produce much more pollen than insect-pollinated flowers. This pollen is usually lighter than pollen from insect-pollinated flowers. Suggest why these are advantages to a plant that is wind-pollinated. more pollen light pollen
0610_s13_qp_21
THEORY
2013
Paper 2, Variant 1
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For Examiner's Use Flowering plants are classified into two groups, the monocotyledons and the eudicotyledons . Complete Table 1.1 to show differences between these two groups. Table 1.1 monocotyledons eudicotyledons number of cotyledons in seed pattern of veins in leaf number of flower parts e.g. petals State two environmental stimuli that flowering plants can detect. shows a cross section of part of a eudicotyledonous plant as seen through a microscope. Name the part of a plant through which the section has been cut. On , draw a line to label the phloem tissue and a line to label the xylem tissue. Label the phloem and xylem tissues. For Examiner's Use Describe two functions of xylem tissue.
0610_s13_qp_23
THEORY
2013
Paper 2, Variant 3
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Questions Discovered
316