State that insulin decreases blood glucose concentration
State that insulin decreases blood glucose concentration
1 Answer
Questions and Answers For
IGCSE Biology
322 Questions
1 AnswerDescribe the role of adrenaline in the control of metabolic activity, limited to: (a) increasing the blood glucose concentration (b) increasing heart rate
Describe the role of adrenaline in the control of metabolic activity, limited to: (a) increasing the blood glucose concentration (b) increasing heart rate
1 AnswerState that glucagon is secreted by the pancreas
State that glucagon is secreted by the pancreas
1 AnswerDescribe adrenaline as the hormone secreted in ‘fight or flight’ situations and its effects, limited to: (a) increased breathing rate (b) increased heart rate (c) increased pupil diameter
Describe adrenaline as the hormone secreted in ‘fight or flight’ situations and its effects, limited to: (a) increased breathing rate (b) increased heart rate (c) increased pupil diameter
1 AnswerIdentify in diagrams and images specific endocrine glands and state the hormones they secrete, limited to: (a) adrenal glands and adrenaline (b) pancreas and insulin (c) testes and testosterone (d) ovaries and oestrogen
Identify in diagrams and images specific endocrine glands and state the hormones they secrete, limited to: (a) adrenal glands and adrenaline (b) pancreas and insulin (c) testes and testosterone (d) ovaries and oestrogen
1 AnswerDescribe a hormone as a chemical substance, produced by a gland and carried by the blood, which alters the activity of one or more specific target organs
Describe a hormone as a chemical substance, produced by a gland and carried by the blood, which alters the activity of one or more specific target organs
1 AnswerIdentify in diagrams and images the position of the fovea and state its function
Identify in diagrams and images the position of the fovea and state its function
1 AnswerOutline the function of rods and cones, limited to: (a) greater sensitivity of rods for night vision (b) three different kinds of cones, absorbing light of different colours, for colour vision
Outline the function of rods and cones, limited to: (a) greater sensitivity of rods for night vision (b) three different kinds of cones, absorbing light of different colours, for colour vision
1 AnswerDescribe the distribution of rods and cones in the retina of a human
Describe the distribution of rods and cones in the retina of a human
1 AnswerExplain the pupil reflex in terms of the antagonistic action of circular and radial muscles in the iris
Explain the pupil reflex in terms of the antagonistic action of circular and radial muscles in the iris
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