- Embryo may not have fully developed
- Presence of chemical inhibitors
- Low hormone and enzyme concentration
- Hard and impermeable seed coats
-Unfavourable environment factors
johnmulu answered the question on May 12, 2017 at 07:59
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State four applications of plant hormones in agriculture.
Date posted: May 12, 2017. Answers (1)
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Date posted: May 12, 2017. Answers (1)
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The diagram below represents a set up to investigate the conditions necessary for seed germination.
The set up was left for 7 days.
(a) What conditions were being investigated in the experiment?
(b) State three reasons for soaking seeds in set ups A and B.
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Date posted: May 12, 2017. Answers (1)
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Date posted: May 12, 2017. Answers (1)
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The set up was at room temperature for a week.
(a) What was the aim of the experiment?
(b) What would be the expected results at the end of the experiment.
(c) Account for the observation made in set up A.
Date posted: May 12, 2017. Answers (1)
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The diagram below represents human foetus in a uterus.
(a) Name the part labeled S.
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(ii) State the differences in composition of blood found in the vessels named in (b) above
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Date posted: May 12, 2017. Answers (1)
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Date posted: May 12, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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(b) Four months after fertilization, ovaries can be removed from a human female without terminating pregnancy(Solved)
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(b) Four months after fertilization, ovaries can be removed from a human female without terminating pregnancy
Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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(i) Explain two adaptations of the structure labeled L to its functions
(ii) Explain the role of the gland labeled K.
Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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(b) What is the role of the testes in the mammalian reproductive systems.
(Solved)
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(b) What is the role of the testes in the mammalian reproductive systems.
Date posted: May 9, 2017. Answers (1)
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The figure shows changes that take place during menstrual cycle in human.
(a) Name the hormone whose concentrations are represented by curves F and G.
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Date posted: May 9, 2017. Answers (1)