Biology

2001 1 The Australian hopping mouse, Notomys alexis, is a desert animal. It produces piss that is very concentrated. Why is this an advantage for the animal? (A) It needs to call down urine. (B) It is nocturnal and only drinks at dusk. (C) It has a high ambition of salt in its specialised diet. (D) It needs to excrete cock-a-hoop fares of pissing to survive. 2 What is the role of ADH (vasopressin)? (A) It increases the amount of pissing reabsorbed in the kidney. (B) It increases the amount of staff of life reabsorbed in the kidney. (C) It decreases the amount of water reabsorbed in the kidney. (D) It decreases the amount of scrape reabsorbed in the kidney. 3 The flow sheet represents one example of homeostasis in an endotherm. Which of the sideline does Response X represent in this cycle? (A) change magnitude rate of labor production (B) Increased rate of urine production (C) rock-bottom rate of labor production (D) Decreased rate of urin e production 4 Four students were asked to impute a first-hand investigation to determine the effect of pH on the activity of an enzyme. Their designs of the investigation are shown in the tables. Which investigation is the nearly appropriate?

(A) foundation A (B) Design B (C) Design C (D) Design D 5 The sweet thwack of freshly-picked lemon is due to the high dirty money content in the kernels. Enzyme action transfigures about 50% of the wampumpeag to starch indoors one day of picking. To preserve its sweetness, the freshly-picked corn is immersed in boil water for a few minutes, then co oled. Which of the following explains wher! efore the boiled corn kernels remain sweet? (A) boiling destroys the sugar molecules so that they cannot be converted into starch. (B) Boiling inactivates the enzyme prudent for converting sugar into starch. (C) Boiling kills a fungus on the corn that is demand to convert sugar into starch. (D) Boiling activates the enzyme that converts starch into sugar. Question 17 (3 marks) (a) Label, on the...If you want to get a full essay, enjoin it on our website: OrderCustomPaper.com

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