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 Answer Describe 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 Answer State that glucagon is secreted by the pancreas
State that glucagon is secreted by the pancreas
1 Answer 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
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 Answer 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
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 Answer 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
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 Answer Identify 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 Answer 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
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 Answer Describe 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 Answer Explain 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
1 Answer Top Questions
-
What is the significance of step-wise release of energy in respiration?
energy is released in a series of small, controlled steps,...
Sourav Pan
-
What is oxidative phosphorylation?
Oxidative phosphorylation is the metabolic process by which cells synthesize...
Sourav Pan
-
Define RQ. What is its value for fats?
The respiratory quotient (RQ) is defined as the ratio of...
Sourav Pan
-
Discuss “The respiratory pathway is an amphibolic pathway.”
an amphibolic pathway is one that participates in both catabolic...
Sourav Pan
-
What are the assumptions made during the calculation of net gain of ATP?
It is assumed that glycolysis, the TCA cycle, and the...
Sourav Pan
-
Distinguish between the following: (a) Aerobic respiration and Anaerobic respiration (b) Glycolysis and Fermentation (c) Glycolysis and Citric acid Cycle
Aerobic respiration uses oxygen (O₂) as the terminal electron acceptor...
Sourav Pan
-
Explain ETS.
Electron Transport System (ETS) is the series of protein complexes...
Sourav Pan
- All Questions