QUESTION 1

1.1 Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A-D) next to the question number (1.1.1-1.1.10) in the ANSWER BOOK. For example, 1.1.11 A.

1.1.1 The type of animals that feed primarily on roughage:
A. Pigs
B. Chickens
C. Cattle
D. Ducks

1.1.2 The metabolic energy value of a feed is equal to the gross energy of the feed minus the energy lost in the...
A. manure, urine, and body heat.
B. gases, urine, and body heat.
C. manure, gases, and body heat.
D. manure, urine, and gases.

1.1.3 Diffusion is the process that refers to the movement of molecules or particles...
(i) from a higher to a lower concentration.
(ii) from a lower to a higher concentration.
(iii) along the concentration gradient.
(iv) against the concentration gradient.
Choose the correct combination:
A. (i) and (iv)
B. (i) and (ii)
C. (i) and (iii)
D. (ii) and (iv)

1.1.4 Animals can obtain water from the following water sources:
A. Converted water, drinking water, and water from feeds
B. Metabolic water, drinking water, and water from feeds
C. Essential water, converted water, and drinking water
D. Forced water, drinking water, and water from feeds