Parthenocarpy
johnmulu answered the question on May 9, 2017 at 05:31
- How do the male gamete nuclei reach the ovule after pollen grains land on the stigma?(Solved)
How do the male gamete nuclei reach the ovule after pollen grains land on the stigma?
Date posted: May 9, 2017. Answers (1)
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Name the parts of the flower that are responsible the production of gametes.
Date posted: May 9, 2017. Answers (1)
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State two disadvantages of self-pollination
Date posted: May 9, 2017. Answers (1)
- A flower was found to have the following characteristics:
Inconspicuous petals
Long feathery stigma
Small, light pollen grains
(a) What is the likely agent of pollination of the flower?
(b) What is the significance of the flower? (Solved)
A flower was found to have the following characteristics:
Inconspicuous petals
Long feathery stigma
Small, light pollen grains
(a) What is the likely agent of pollination of the flower?
(b) What is the significance of the flower?
Date posted: May 9, 2017. Answers (1)
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State three characteristics that ensures cross-pollination takes place in flowering plants.
Date posted: May 9, 2017. Answers (1)
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Date posted: May 8, 2017. Answers (1)
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(a) Name the organism that: (i) Causes malaria; (ii) Transmits malaria
(b) State two control measures for malaria.
Date posted: May 8, 2017. Answers (1)
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Name the process through which free atmospheric nitrogen is converted into nitrates
Date posted: May 8, 2017. Answers (1)
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The diagram below represents a certain plant.
(a) What is the likely habitat for the plant?
(b) Give two reasons for your answer in (a)
Date posted: May 8, 2017. Answers (1)
- What is meant by the following terms?
(a) Ecology
(b) Carrying capacity (Solved)
What is meant by the following terms?
(a) Ecology
(b) Carrying capacity
Date posted: May 8, 2017. Answers (1)
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The figure below illustrates a food web in a certain ecosystem.
From the food web:
(a) Draw the shortest food chain;
(b) Identify the organisms with the highest (i) Number of predators;
(ii) Biomass.
Date posted: May 8, 2017. Answers (1)
- What is meant by the following terms?(Solved)
What is meant by the following terms?
(a) Habitat;
(b) Ecosystem
Date posted: May 8, 2017. Answers (1)
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The diagram below shows a transverse section of a leaf.
(a) Name the habitat of the plant from which the leaf is obtained.
(b) Give two reasons for your answer in (a) above.
Date posted: May 8, 2017. Answers (1)
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State two ways in which aerenchyma tissue in aquatic plants are adapted to their function.
Date posted: May 8, 2017. Answers (1)
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Other than using the quadrat, give two methods of estimating population of grass.
Date posted: May 8, 2017. Answers (1)
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(b) Name the disease in humans caused by plasmodium falciparum(Solved)
(a) State three effects of dumping untreated sewage into a river.
(b) Name the disease in humans caused by plasmodium falciparum
Date posted: May 8, 2017. Answers (1)
- (a) Name the causative agent of the following diseases in humans (i) Typhoid (ii) Amoebic desentery
(b) Name the disease in humans caused by plasmodium falciparum (Solved)
(a) Name the causative agent of the following diseases in humans (i) Typhoid (ii) Amoebic desentery
(b) Name the disease in humans caused by plasmodium falciparum
Date posted: May 8, 2017. Answers (1)
- Name two benefits that a parasites derives from the hosts. (Solved)
Name two benefits that a parasites derives from the hosts.
Date posted: May 8, 2017. Answers (1)
- State two characteristics of aerenchyma tissue. (Solved)
State two characteristics of aerenchyma tissue.
Date posted: May 8, 2017. Answers (1)
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Describe the three characteristics of a population
Date posted: May 8, 2017. Answers (1)