2020/2021 WAEC/NECO Answers: NECO 2020 - Animal Husbandry ANSWERS



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This is actually the NECO 2019 - Animal Husbandry ANSWERSAnswers as questions sent to our subscribers on WHATSAPP, if you are looking for 2020 WAEC/NECO Answers midnight before the exam, try contacting us.

(1a)
In a tabular form

Under MALE
(i) Presence of penis.
(ii) Presence of testes.
(iii) Presence of vas defences.

Under FEMALE
(i) Absence of penis.
(ii) Presence of ovaries.
(iii) Absence of vas defenses

(1b)
In a tabular form

Under BIRD
(i) Presence of beak.
(ii) Presence of wings.
(iii) Absence of four walking legs.
(iv) Absence of teeth.
(v) Absence of furs

Under MAMMALS
(i) Absence of beak
(ii) Absence of wings.
(iii) Presence of four walking legs.
(iv) Presence of teeth
(v) Presence of furs.

(1c)
Rabbit --> kindling
Goat --> kindling
Pig --> farrowing
Cattle --> calving

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(2a)
(i) Low capital is investment
(ii) very little care and feeding is required
(iii) Low labour required
(iv) Low levels of management

(2b)
(i) cheese
(ii) whey
(iii) yoghurt

(2c)
(i)skin
(ii)bone
(iii)meat

=====================================================

(4a)
(i)hybridization
(ii)inbreeding
(iiicross breeding

(4b)
(i) it control disease
(ii) it decrease the chance of injury
(iii) prevent stallion over use
(iv)allows more mares to be breed
(v)semen is evaluated each time it is collected.

(4c)
Tabulate
Under Inbreeding;
(i)it involve the mating of related individuals that have one or more relatives in common
(ii)Linebreeding is a form of inbreeding.

Under Linebreeding
(i)it involves arranging matings so that one or more relatives occur more than once in a pedigree
(ii)Linebreeding is a term commonly used to describe milder forms of inbreeding

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(5a)
(i)Environment factor
(ii)Nutrition
(iii) Health status of the animal
(iv)Breeds of animal

(5b)
(i) Incubation period
(ii) Prodromal period
(iii) Period of decline

(5c)
(i) It Causes Anaermia
(ii) It cause liver rottening
(iii) It leads to digestive disturbance and bleeding internally.

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FISHERIES ANSWERS
*FISHERIES ANSWERS*


(3ai)
Carnivores: These are animals that feeds on animals only. They derive their energy and nutrient requirements from a diet consisting mainly or exclusively of animal tissue, whether through predation or scavenging.

(3aii)
Herbivores: These are animals that feeds on plants only. They get their energy from eating plants, and only plants. Many herbivores have special digestive systems that let them digest all kinds of plants, including grasses.

(3aiii) Grazers: Grazers are animals, usually a herbivorous mammal, which eats grasses or other multicellular organisms such as algae.

(3b)
(Choose any FOUR)
(i) Carbohydrate
(ii) Protein
(iii) Fats and oil
(iv) Mineral salt
(v) Vitamin

(3ci)
L = 30,000cm
b = 10,000cm
Area of the pond = 30,000×10,000/100×100
=30000m²

(3cii)
(i) Resistance to diseases
(ii) Fast growth
(iii) Accept supplementary feed
(iv) Low cost of production
(v) Easy to breed in captivity

(3ciii)
Mariculture is a specialized branch of aquaculture involving the cultivation of marine organisms for food and other products in the open ocean, an enclosed section of the ocean, or in tanks, ponds or raceways which are filled with seawater.




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A1: 1 x 4 = 4 B2: 3 x 3.6 = 10.8 C4: 1 x 2.8 = 2.8 Total points: 4 + 10.8 + 2.8 = 17.6 Now, we divide the UTME by 8 i.e 280 ? 8 = 35 So, the aggregate score will be 17.6 + 35 + Post-UTME score.


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How is Waec aggregate calculated?

A1: 1 x 4 = 4 B2: 3 x 3.6 = 10.8 C4: 1 x 2.8 = 2.8 Total points: 4 + 10.8 + 2.8 = 17.6 Now, we divide the UTME by 8 i.e 280 ? 8 = 35 So, the aggregate score will be 17.6 + 35 + Post-UTME score.


A1: 1 x 4 = 4 B2: 3 x 3.6 = 10.8 C4: 1 x 2.8 = 2.8 Total points: 4 + 10.8 + 2.8 = 17.6 Now, we divide the UTME by 8 i.e 280 ? 8 = 35 So, the aggregate score will be 17.6 + 35 + Post-UTME score.

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You are required to get at least a credit pass (50%) in your core subjects. Under the new WAEC grading system, A1 is Excellent, B2 Very Good, B3 Good, C4, C5 and C6 are interpreted as Credit, D7 and D8 are interpreted as Pass, while F9 is Fail.


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Under the new WAEC grading system, A1 is Excellent, B2 Very Good, B3 Good, C4, C5 and C6 are interpreted as Credit, D7 and D8 are interpreted as Pass, while F9 is Fail. A1 and B2 in the WASSCE means Excellent, B3 is B (Very Good), C4 is C (Good), C5 and C6 are D (Credit), D7 and E8 are E (Pass) and F9 is F (Fail).


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