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Auafeed IKN 2025

Total questions: 100

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

The most commonly used plant-based raw material as a substitute for the main protein replacing fish meal is...

a)

Wheat flour

b)

Rice bran

c)

Coconut cake

d)

Soybean Meal

2.

The most crucial anti-nutritional factor to be inactivated in soybean meal through heating is...

a)

Trypsin Inhibitor

b)

Phytic Acid

c)

Tannin

d)

Saponin

3.

The quality of fish meal is rated very good because it has a high protein content with a rich essential amino acid profile of...

a)

Alanine and Glycine

b)

Methionine and Lysine

c)

Proline and Serine

d)

Histidine and Tryptophan

4.

The raw material that plays a major role as a source of carbohydrate energy and is often used as a natural binder in pellet production is...

a)

Fish meal

b)

Soybean meal

c)

Tapioca flour or Wheat flour

d)

Fish oil

5.

The main limitation of using blood meal as a raw material for protein in large quantities is...

a)

The fat content is too high

b)

It is very expensive

c)

The amino acid profile is unbalanced (deficient in Isoleucine)

d)

It is difficult to digest for herbivorous fish

6.

An important mineral that must be added to feed in a certain ratio along with Calcium is...

a)

Iron (Fe)

b)

Iodine (I)

c)

Phosphorus (P)

d)

Potassium (K)

7.

Fish oil is added to feed primarily to provide...

a)

Complex carbohydrates

b)

Crude fiber

c)

HUFA (DHA and EPA) and energy

d)

Vitamin B complex

8.

The quality parameter of raw materials that measures indigestible material and can reduce feed efficiency is...

a)

Crude Protein

b)

Crude Fiber

c)

Crude Fat

d)

Ash Content

9.

The use of Rice Bran in the formulation of feed for omnivorous fish should be limited because...

a)

It causes pellets to float

b)

Excessive vitamin A content

c)

High crude fiber and silica content

d)

Lack of color pigment

10.

The essential amino acid that most often becomes a limiting factor when formulating with plant protein (soy) is...

a)

Methionine

b)

Lysine

c)

Alanine

d)

Glycine

11.

The animal raw material that is often used as a source of fat and HUFA that is extracted is...

a)

Blood meal

b)

Feather meal

c)

Bone meal

d)

Fish oil

12.

What is the main impact if plant raw materials contain high Phytic Acid?

a)

Inhibits the work of trypsin enzyme

b)

Binds minerals and reduces their availability

c)

Causes feed to have an unpleasant odor

d)

Increases the moisture content of the feed

13.

If the moisture content of raw materials exceeds 12%, the main risk that arises is...

a)

Increased digestibility of feed

b)

Mold growth and aflatoxin production

c)

Feed becomes too hard

d)

Decreased fat content

14.

For carnivorous fish, the most efficient energy is obtained from...

a)

Carbohydrates

b)

Fats and Proteins

c)

Crude fiber

d)

Minerals

15.

In feed formulation, 'premix' is generally added to complement the needs...

a)

Protein and Fat

b)

Carbohydrates and Fiber

c)

Vitamins and Microminerals

d)

Binding agents

16.

The nutrient that should have the highest percentage in feed for carnivorous fish seeds is...

a)

Fat

b)

Carbohydrates

c)

Protein

d)

Crude Fiber

17.

The Crude Protein (CP) content for broodstock fish feed generally ranges...

a)

15% - 25%

b)

35% - 45%

c)

55% - 65%

d)

Above 70%

18.

Essential vitamins that act as vital antioxidants and are greatly needed for the quality of broodstock eggs are...

a)

Vitamin A

b)

Vitamin B12

c)

Vitamins E and C

d)

Vitamin K

19.

The process of making pellets for gelatinizing starch and inactivating anti-nutritional factors is...

a)

Grinding

b)

Extrusion or Pelleting with Steam

c)

Sifting

d)

Coating

20.

The process that produces floating feed with low density is...

a)

Cold Press Pelleting

b)

Extrusion

c)

Dry Mixing

d)

Simple Cubing

21.

Why must fish seed feed have very small particle size (powder/crumble)?

a)

So that the feed sinks quickly

b)

According to the small mouth opening of the seeds

c)

To increase water stability

d)

To make it easy to store

22.

What is the main function of materials like CMC or Progol in feed formulation?

a)

Source of vitamins

b)

Flavor enhancer

c)

Improve water stability of pellets

d)

Source of color pigments

23.

What is the main reason fats or oils are added to pellets after the cooling process?

a)

So that the pellets sink

b)

To compact the pellets

c)

To avoid damage to HUFA and heat-sensitive vitamins

d)

To reduce protein content

24.

A deficiency of Essential Fatty Acids (especially HUFA) in fish broodstock can result in...

a)

Slow growth

b)

Skin diseases

c)

Poor egg quality and low hatch rates

d)

Bent bones

25.

The function of probiotics added to seed feed is to...

a)

Source of energy

b)

Color enhancer

c)

Balance gut microflora and digestibility

d)

Hardening pellets

26.

The first step in the preparation of feed that determines the homogeneity of nutrients is...

a)

Pelleting

b)

Drying

c)

Mixing (Pencampuran)

d)

Grinding (Penghalusan)

27.

The ideal FCR (Feed Conversion Ratio) for efficient fish farming is...

a)

5.0

b)

3.0 - 4.0

c)

1.0 - 1.5

d)

0.5

28.

The technique of dividing daily feed doses into several feedings is called...

a)

Ad-libitum feeding

b)

High feeding frequency

c)

Once-a-day feeding

d)

Gel feeding

29.

The unit used to express the energy needs of fish feed is...

a)

Percentage of Crude Protein

b)

Percentage of Crude Fat

c)

Kcal/kg or KJ/kg

d)

FCR

30.

The environmental factor that most affects the rate of feed consumption by fish is...

a)

Water pH

b)

Water temperature

c)

Light intensity

d)

Water density

31.

FCR (Feed Conversion Ratio) is calculated using the formula:

a)

(Weight of feed) / (Increase in biomass weight)

b)

(Weight of biomass) / (Weight of feed)

c)

(Protein in feed) / (Protein in body)

d)

(Leftover feed) / (Total feed)

32.

PER (Protein Efficiency Ratio) is a ratio that measures...

a)

Efficiency of fat usage

b)

Efficiency of protein usage for growth

c)

Quality of feed protein

d)

Feed cost per kg

33.

The technique of improving the nutritional quality of natural feed before it is given to the seeds is known as...

a)

Enrichment

b)

Sterilization

c)

Fermentation

d)

Pelleting

34.

Excessive feeding (overfeeding) causes the main negative impact in the form of...

a)

Increased FCR

b)

Decreased water quality and increased costs

c)

More stable feed

d)

Nutrient deficiency

35.

The use of gel feed (jelly feed) is often aimed at...

a)

Breeding fish

b)

Seed fish (larvae) in the early phase

c)

Surface feeding fish

d)

Filter feeder fish

36.

If your FCR result is 2.5, it means...

a)

Need 1 kg of feed for 2.5 kg of fish

b)

Need 2.5 kg of feed for 1 kg of fish

c)

Nutrient absorption 2.5%

d)

Growth is very efficient

37.

Palatabilitas (kesukaan) pakan sangat dipengaruhi oleh...

a)

Serat kasar

b)

Bau, rasa (asam amino bebas), dan tekstur

c)

Warna pelet

d)

Bentuk pelet

38.

Pakan khusus untuk meningkatkan pematangan gonad dan kualitas telur adalah...

a)

Grow-out Diet

b)

Broodstock Diet

c)

Starter Feed

d)

Maintenance Diet

39.

Pemberian pakan pada ikan karnivora sebaiknya dilakukan saat...

a)

Pagi hari saja

b)

Malam hari saja

c)

Waktu aktif (pagi/sore/malam)

d)

Saat suhu tertinggi

40.

Pakan 'slow sinking' (tenggelam perlahan) cocok untuk ikan tipe...

a)

Pemakan permukaan

b)

Pemakan dasar

c)

Pemakan kolom air

d)

Filter feeder

41.

Parameter untuk mengevaluasi komposisi kimia nutrisi pakan secara menyeluruh adalah...

a)

Proximate Analysis

b)

PCR

c)

HPLC

d)

ELISA

42.

Penggunaan Feed Tray (anco) bertujuan untuk...

a)

Mengukur pertumbuhan

b)

Menurunkan suhu

c)

Mengontrol sisa pakan dan estimasi FCR

d)

Tempat pemijahan

43.

In Broodstock Diet, HUFA must be higher because it is needed for...

a)

Source of vitamin A

b)

Binding toxins

c)

Formation of quality egg cell membranes

d)

Making hard pellets

44.

The main reason artificial feed that is unstable in water should be avoided is...

a)

Fish cannot eat

b)

Feed is too hard

c)

Nutrients dissolve into water and pollution

d)

Increase FCR

45.

The main advantage of Hand Feeding (manual feeding) technique is...

a)

Time-saving

b)

Automatic

c)

Control of consumption and observation of appetite

d)

Reduce costs

46.

The effect of nutrient dilution (thinning) occurs if...

a)

Water is too clear

b)

Low density

c)

The proportion of high fiber/binder raw materials is too large

d)

Low temperature

47.

What is the optimal average moisture content percentage for artificial feed storage?

a)

20% - 25%

b)

15% - 20%

c)

8% - 12%

d)

Below 5%

48.

The most determining aspect of the daily feed dose (Feeding Rate) is...

a)

Pellet machine

b)

HUFA content

c)

Weight of fish biomass and Water Temperature

d)

Skin color

49.

Fish fry need lower protein compared to adult fish.

a)

True

b)

False

50.

HUFA is an essential nutrient that must be added to the feed.

a)

True

b)

False

51.

Crude fiber has a high energy value for carnivores.

a)

True

b)

False

52.

Herbivorous fish are more tolerant of carbohydrates than carnivorous fish.

a)

True

b)

False

53.

Bone meal is the main source of color pigments.

a)

True

b)

False

54.

Phytic acid can be neutralized by the enzyme Phytase.

a)

True

b)

False

55.

Freshwater fish generally have higher protein requirements than marine fish.

a)

True

b)

False

56.

Fats are the most calorie-dense source of energy.

a)

True

b)

False

57.

High ash content indicates a high level of minerals/inorganic substances.

a)

True

b)

False

58.

Coconut meal has a protein quality comparable to fish meal.

a)

True

b)

False

59.

Starch must undergo gelatinization to be easily digested.

a)

True

b)

False

60.

Palatability is not important as long as nutrition is met.

a)

True

b)

False

61.

Fish do not need cholesterol at all.

a)

True

b)

False

62.

Methionine and Lysine are essential amino acids.

a)

True

b)

False

63.

Rice bran can be used up to 50% for omnivores without issues.

a)

True

b)

False

64.

Sifting is done to standardize particle size.

a)

True

b)

False

65.

Cold pressing produces floating pellets.

a)

True

b)

False

66.

Feeding at night is recommended for nocturnal fish.

a)

True

b)

False

67.

The PER value getting smaller means it is becoming more efficient.

a)

True

b)

False

68.

Carotenoids in Broodstock Diet accelerate weight growth.

a)

True

b)

False

69.

Fast sinking feed is ideal for surface feeders.

a)

True

b)

False

70.

Demand Feeding uses machines triggered by fish touch.

a)

True

b)

False

71.

Extreme temperatures will increase feed consumption rate.

a)

True

b)

False

72.

PER is calculated as (Weight Gain) divided by (Protein In).

a)

True

b)

False

73.

Pelleting functions to increase feed density.

a)

True

b)

False

74.

Natural feed is no longer needed if there is complete artificial feed.

a)

True

b)

False

75.

The feed dose for seeds (percentage of biomass) is greater than for adult fish.

a)

True

b)

False

76.

Pakan remah (crumbles) diformulasikan untuk ikan dewasa.

a)

True

b)

False

77.

Sisa pakan di feed tray tidak memengaruhi perhitungan FCR.

a)

True

b)

False

78.

Pakan tidak stabil menyebabkan leaching nutrisi.

a)

True

b)

False

79.

Sinking rate pakan harus disesuaikan dengan kecepatan makan ikan.

a)

True

b)

False

80.

Pada suhu optimal, nafsu makan ikan maksimal.

a)

True

b)

False

81.

Pengembangan pakan baru tidak perlu memperhatikan daya cerna.

a)

True

b)

False

82.

Growth Rate (Laju Pertumbuhan) adalah parameter evaluasi pakan.

a)

True

b)

False

83.

Nila (Herbivora) butuh protein lebih tinggi dari Lele (Omnivora).

a)

True

b)

False

84.

Grinding bertujuan mempermudah mixing.

a)

True

b)

False

85.

Expired feed is at risk of rancidity.

a)

True

b)

False

86.

Proximate Analysis provides details on Amino Acids.

a)

True

b)

False

87.

Excessive binder increases the protein and energy of the feed.

a)

True

b)

False

88.

Calculating feed doses requires periodic sampling of biomass weight.

a)

True

b)

False

89.

What is the most easily visible physical sign if fish feed is damaged or expired?

a)

Its color becomes very bright

b)

It smells rancid and moldy

c)

Its granules become harder

d)

Fish eat it eagerly

90.

The feed raw material that comes from rice milling waste and is often used as an energy source is...

a)

Fish Meal

b)

Soybean Cake

c)

Fine Bran (Rice Bran)

d)

Squid Oil

91.

When storing feed sacks in a warehouse, why must we use wooden pallets?

a)

To make the warehouse look neat

b)

To prevent sacks from direct contact with damp floors

c)

To make counting easier

d)

To prevent sacks from being eaten by rats

92.

If we are raising fish seeds with very small mouths, what shape of feed is most appropriate to give?

a)

Large granule pellets (3-4 mm)

b)

Powder/Mash feed

c)

Fish scraps

d)

Floating pellets

93.

The simple tool used to shape feed dough into elongated forms like noodles is called...

a)

Hammer Mill

b)

Pelleting Machine/Mincer

c)

Dryer

d)

Sack Sewing Machine

94.

What is the main purpose of drying or sunning the feed after it is shaped?

a)

To make it smell better

b)

To make it larger

c)

To reduce moisture content and prevent mold

d)

To make the feed sink immediately

95.

In feed provision, the term 'Sampling' (weighing the average weight of fish) is aimed at...

a)

Knowing the amount of feed to be given (calculating the dose)

b)

Counting the number of fish scales

c)

Selecting male and female breeders

d)

Cleaning the pond

96.

In feed provision, the term 'Sampling' (weighing the average weight of fish) is aimed at...

a)

Knowing the amount of feed to be given (calculating the dose)

b)

Counting the number of fish scales

c)

Selecting male and female breeders

d)

Cleaning the pond

97.

The raw material that functions as a 'binder' so that the pellets do not easily break when entering the water is...

a)

Fish Meal

b)

Vitamin Mix

c)

Tapioca Flour (Starch)

d)

Coconut Cake

98.

How many times is feed generally given to fish during the growth phase (such as Catfish or Tilapia) in a day?

a)

Once only

b)

2 to 3 times (Morning, Evening/Night)

c)

10 times

d)

Every hour

99.

If the feed is scattered in the pond and there is still a lot floating after 15 minutes, what should be done?

a)

Immediately add more feed

b)

Just leave it until tomorrow

c)

Stop feeding and scoop up the remaining feed to keep the water clean

d)

Stir the pond water to make the feed sink

100.

The method of feeding where feed is given little by little and is only stopped when the fish start to not respond or move away from the feed is called...

a)

Ad libitum

b)

At satiation (Saturation)

c)

Restricted feeding

d)

Automatic feeding

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