Which type of breeding is represented by industrial melanism in peppered moths?
In a test, a student paired some scientists with their famous work as shown below. Use it to answer questions 49 and 50.
Scientist Famous work
I. Charles Darwin → Preservation of some food with heat
II. Gregor Mendel → Natural selection
III. Jean Baptiste Lamarck → Inheritance of acquired characteristics
IV. Louis Pasteur → Independent assortment of genes.
The Scientists that are not correctly paired with their famous work are
Which of the scientists were involved in the study of evolution?
Scientist Famous work
I. Charles Darwin → Preservation of some food with heat
II. Gregor Mendel → Natural selection
III. Jean Baptiste Lamarck → Inheritance of acquired characteristics
IV. Louis Pasteur → Independent assortment of genes.
(a)State one function each of the following parts of the nephron:
(i) glomerulus (ii)Bowman's capsule (iii)proximal convoluted tubule (iv) distal convoluted tubule
(b) Complete the table below.
| Organism | Structure for excretion | Form in which waste is excreted by organism |
| contractile vacuole | ||
| Flatworm | ||
| Earthworm | ||
| Cockroach | ||
| Human | Liquid | |
| Stomata pore |
(c) List five excretory products of plants.
An individual ate a hot and large meal of cassava with salty groundnut soup. The individual was sweating profusely and did not drink water after the meal.
(a) State one role each played by the following organs involved in the activity above:
(i) mouth; (ii) skin; (iii) tongue; (iv) kidney; (v) stomach; (vi) small intestine; (vii) large intestine; (viii) liver.
(b) Name three of the organs listed in 2(a) that contain enzymes needed to breakdown the food.
(c) Name three digestive enzymes that would be involved in the digestion of the meal.
(d) Name two end products of the meal after digestion.
(e)(i) State one effect that the excess salt in the meal might have on the individual.
(ii) State three advantages that the individual would derive from the meal.