number of questions and time available
The test is implemented in two sessions. The first session will be four and a half hours to from 7:00 am and the second of four hours, starting at 1:30 pm The examination structure is as follows:
types of questions and examples
ECAES In animal husbandry will use four (4) types of questions: multiple choice with single answer, multiple answer multiple-choice analysis, assumptions and analysis of the relationship.
following explains each of the formats and presents some examples of the questions. multiple choice questions only answer
Below you will find questions that consist of a statement and four (4) response options. You must mark your answer sheet, the option that it considers most appropriate.
Examples
1. factory animal feed "El Molino" requires the import of most of its raw materials, making these payments in dollars. For companies, a phenomenon of revaluation of the peso ($) le:
A. detrimental because it lowers their income.
B. detrimental because it increases production costs.
C. it is because it increases their sales.
D. appropriate because it reduces their costs of production.
Key: D
Competition:
Argumentative Justification: By paying less pesos ($) for every dollar (U.S. $), the value of commodities in local currency low in relative terms, thus reducing production costs for the company.
2. Milk is the product of the normal secretion of the mammary glands of healthy live animals, obtained by one or more milking and hygienic integrity, without addition or subtraction of any substance, with the exception that obtained from 15 days before and up to 5 days after delivery. This description corresponds to the definition
A. organic milk.
B. chemistry of milk.
C. regulation of milk.
D. bacteriological milk.
Key: C
Competition: Interpretative
Rationale: The milk can be defined from the standpoint of regulatory or legal, chemical or biological. However, the statement clearly corresponds to the legal definition or regulation of the product.
multiple choice questions with multiple choice
Here are some questions that consist of a statement and four (4) response options. One or several choices can be completed set correctly. You must mark your answer sheet according to the following table:
3. A pasture with ten (10) years has provided coverage between 50 and 60%, poorly developed, low vigor in grasses present and a high proportion of weeds. With this information, we can conclude about the pasture that
1. management has been inadequate.
2. degraded.
3. be renewed.
4. is normal.
Key: A
Competition: Interpretative
Justification: Options 1, 2 and 3 reflect an assessment of the situation encountered. In the context are considered key indicators that correspond to a pasture with inadequate management, which has led to degradation and therefore must be renewed.
4. The main pig tissues are nervous, adipose, muscle and bone. Since not all complete their growth at the same time, tissues were classified into early and late growth. Those who consider themselves early growth are
1. nervous.
2. fat.
3. bone.
4. muscle.
Key: B
Competition: Interpretative
Rationale: In the process of formation of an embryonic pig nervous tissue and bone are the first to reach maturity, followed by muscle and adipose finally.
5. A review reproductive rectal palpation of a batch of 25 Zebu cows that have completed 3 months with the bull, was diagnosed in 8 cows pregnancy, corpus luteum (CL) in 8 cows, structures compatible with proestrus / estrus in 7 cows and ovaries with no palpable structures in 2 cows. The conclusion from these findings on the reproductive process of cows is
1. There are about 32% of pregnancy confirmed.
2. cows do not have a good reproductive performance.
3. CL cows may have early pregnancy.
4. 50% of the cows showed estrous cycle.
Key: B
Competition:
Argumentative Justification: 3 months with a lot of bull zebu cows can not be concluded that cows have poor reproductive performance. Palpation findings indicate that over 80% of the cows showed estrous cycle.
Questions analysis postulates
The questions below consist of a TRUE argument and two (2) postulates TRUE also identified with the numbers I and II. You must decide if the principles are derived logically from the thesis and answer according to the following table:
6. In captivity, the species do not reproduce spontaneously rheophilous because NO are the environmental conditions trigger the process: The Pacu NOT reproduce in ponds.
THEREFORE
I. To achieve spawning may be hormonal induction.
II. For spawning the average temperature should be maintained at 27 ° C.
Key: B
Competition: Purpose
Justification: Pacu species such as hormonal induction is essential to for spawning. Temperature is an important parameter, but do not trigger the process itself.
7. The respiratory quotient is estimated by dividing the volume of CO2 produced by the volume of O2 consumed by an animal after eating a portion, that of fat is about 0.7 and that of carbohydrates is 1.
THEREFORE
I. The lower respiratory quotient increased energy production.
II. Fats are made smaller than carbohydrates.
Key: A
Competition: Interpretative
Rationale: The respiratory quotient relates the volume of CO2 produced and O2 consumed during oxidative processes to produce energy. The lower respiratory quotient increased energy production. A greater degree of reduction of a compound consumes more oxygen and therefore their ratio will be lower, such as fat.
8. Mendel's first law or law of segregation states that alleles separate (segregate) during meiosis to be located in different gametes.
THEREFORE
I. The F1 is the result of crossing two pure lines.
II. The F2 of a cross monohybrid tends to consist of 75% of individuals with dominant phenotype and recessive phenotype 25% (3:1).
Key: C
Competition:
Argumentative Justification: The postulate II, which expresses the dominant mode of gene action, it is the result of the statement the first law of Mendelian segregation and independent.
relationship analysis questions
The questions below consist of a statement and reason together with the word WHY. You must judge both the degree of truth or falsity of each, as the relationship between them, and answer in your answer sheet according to the following table:
9. For best performance in pig production is necessary to provide a suitable environment in terms of temperature, humidity, solar radiation, altitude and ventilation. In pig farms located in cold climates it is recommended that the main axis is oriented facilities north and south.
BECAUSE
animals require a smaller proportion of solar radiation to preserve low temperature and prevent heat loss by radiation.
Key: C
Competition: Argumentative
Rationale: The statement is true because by directing the main axis in a north-south, allowing sunlight in through the sides of the building, a manner that contributes to increased temperature, which is necessary in cold climates. Therefore it also follows that the reason is a false proposition.
10. Tallow energy is an ingredient commonly used in industry for animal feed. Given the richness of the fat stearic acid, it is recommended using this raw material in broilers at initiation stage.
BECAUSE
Key: D
Competition:
Argumentative Justification: broiler initiation phase has a low capacity of emulsification of saturated fats such as tallow, due to low production of bile acids, but not of unsaturated fatty acids from other raw materials, which digest efficiently.
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