February 2016

Experiment: Growing plants using the vegetative reproduction method

By |2022-09-15T12:40:31+02:00February 24th, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

Growing mulberry cuttings. Image credit wordpress.com

Growing mulberry cuttings. Image credit wordpress.com ZIMSEC O Level Combined Science Notes: Reproduction in plants: Growing plants using the vegetative reproduction method  

Materials; trays of soil/sand or prepared garden beds, plant cuttings of sugar cane, mulberry, sweet potato cuttings etc

Method


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Advantages and disadvantages of vegetative production

By |2022-09-15T12:40:31+02:00February 24th, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

Sugarcane field. Image credit gov.ph

Sugarcane field. Image credit gov.ph ZIMSEC O Level Combined Science Notes: Reproduction in plants: Advantages and disadvantages of vegetative (asexual) production  
  • A lot of plants which grow using the vegetative method of reproduction are able to produce seeds
  • They use vegetative reproduction because it has certain advantages

Advantages

  • New […]

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Examining adaptations of flowers to pollination

By |2022-09-15T12:40:35+02:00February 22nd, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

A bird pollinating a flower. Image credit gilligalloubird.com

A bird pollinating a flower. Image credit gilligalloubird.com ZIMSEC O Level Combined Science Notes: Reproduction in plants: Examining adaptations of flowers to pollination

Materials: maize(male and female) or any type of grass flowers, bean flowers or any insect pollinated flowers, hand lenses, microscope slides, […]


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The differences between wind and insect pollinated flowers

By |2022-09-15T12:40:35+02:00February 22nd, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

Maize flower close up. image credit freeimagescollection.com

Maize flower close up. image credit freeimagescollection.com ZIMSEC O Level Combined Science Notes: Reproduction in plants: The differences between wind and insect pollinated flowers
  • Not all flowers are  exactly the same
  • Some flowers have adapted to be pollinated by wind
  • Others have adapted in a way […]

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Reproduction in plants: Flowers and Pollination

By |2022-09-15T12:40:36+02:00February 22nd, 2016|Notes, O Level Science Notes, Ordinary Level Notes|

The basic structure of a flower

The basic structure of a flower: showing the reproductive organs ZIMSEC O Level Combined Science Notes: Reproduction in plants: Flowers and Pollination
  • Most plants have female and male sex cells which join at fertilization to produce seeds
  • This is known as sexual reproduction
  • Flowers are the reproductive organs […]

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