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Questions Answers
Where is TESTOSTERONE produced in the body? The testes AND ovaries (the testes produce far MORE than the ovaries)
Here are four steps in the process of IVF. Which of these shows the CORRECT order? Many EGGS are produced at once and REMOVED from the OVARY → EGGS are placed in solution in a Petri dish and mixed with SPERM → EMBRYOS DEVELOP from fertilised eggs in the Petri dish → A couple of embryos are IMPLANTED in the mother's UTERUS
Which of these is an example of an EFFECTOR used to maintain a CONSTANT BODY TEMPERATURE? Sweat glands
GIBBERELLINS are important in which of these processes? Flowering
If an ANIMAL cell is placed in pure water, then… Water would move into the cell by OSMOSIS, eventually causing the cell to burst
A change in the environment of an organism, which leads to a response, is called a… Stimulus
Which of these fertility treatments causes the fertilisation of EGGS outside of the body? IVF
Which of these do NOT have a role in the NERVOUS system? SMART neurons
With respect to the eye, accommodation is the process by which the lens changes shape to… Bring objects into focus
[TRUE or FALSE?]: RED BLOOD CELLS shrink when they are placed in a solution with a high concentration of GLUCOSE. This is because water moves OUT OF the red blood cell into the solution via OSMOSIS
The kidney first FILTERS the blood by REMOVING… water, glucose, urea & ions
A change in the environment of an organism, which leads to a response, is called a… Stimulus
AUXIN is a… Hormone
OESTROGEN is a hormone secreted by the OVARIES. What effect does it have on the female body? INHIBITS FSH and stimulates the release of the hormone LH from the pituitary gland
[TRUE or FALSE?]: In PHOTOTROPISM in plants, AUXIN concentrations INCREASE in the SHADED side of shoot tips, causing these cells to ELONGATE. TRUE: This is POSITIVE PHOTOTROPISM: the plant shoot curves TOWARDS the light
Which of these is an example of an EFFECTOR used to maintain a CONSTANT BODY TEMPERATURE? Sweat glands
ALL simple reflexes require… a STIMULUS, a PROCESSING centre and an EFFECTOR

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