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5th year Ag-Science

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

A livestock unit is:

a)

a measurement of livestock grazing.

b)

a quantity of herbage

c)

the number of livestock

d)

how palatable the grass is

2.

Grass is at its most digestible with high palatability during the ___________ growth stage.

a)

stemmy

b)

vegetative (leafy)

c)

first

d)

second

3.

Grass regrowth takes ___________ so the best rotational grazing systems operate on the basis that a herd will not return to the paddock during this time to allow the grass to regrow.

a)

3-4 weeks

b)

5-6 weeks

c)

7-8 weeks

d)

9-10 weeks

4.

3 methods of rotational grazing are:

a)

creep grazing, leader follower and mixed grazing

b)

zero grazing, set stocking and extended grazing

c)

paddock, block, strip grazing

d)

leys, permanent grassland and rough mountain/hill grazing

5.

Paddock grazing:

a)

involves use of electric movable fences

b)

involves grazing down a paddock for a week

c)

has one water supply

d)

uses permanent fencing

6.

Name the type of grazing:

a)

Block

b)

Strip

c)

Leader Follower

d)

Paddock

7.

Name the type of grazing:

a)

Creep Grazing

b)

Mixed Grazing

c)

Extended Grazing

d)

Strip Grazing

8.

Name the type of grazing:

a)

Block

b)

Strip

c)

Paddock

d)

Set Stocking

9.

Zero grazing is:

a)

cutting the grass and feeding livestock indoors

b)

giving livestock access to the entire field

c)

dividing the land into 20-30 paddocks

d)

grazing over the winter months (Dec-March)

10.

Set stocking is:

a)

dividing the land into strip and allowing livestock to graze for a day

b)

cattle and sheep grazing together

c)

giving the livestock access to the entire field

d)

younger animals graze in the field ahead of the older animals

11.

Mixed grazing involves:

a)

crossing Italian ryegrass and perennial ryegrass

b)

hybrid vigour

c)

cattle and sheep grazing together

d)

changing the type of grazing you are carrying out

12.

Creep grazing is:

a)

younger animals graze the field ahead of older animals and CANNOT return to their mothers

b)

younger animal graze the field ahead of older animals and CAN return to their mothers to suckle

c)

cattle and sheep grazing together

d)

grazing over the winter months

13.

Tillering is:

a)

mowing the grass 5-7 cm

b)

production of side shoots

c)

dry matter

d)

sheep grazing down bare

14.

CAN stands for:

a)

Carbon Ammonium Nitrate

b)

Can't Ask Nobody

c)

Calcium Ammonium Nitrate

d)

Calcium Ammonium Nitrogen

15.

N, P & K stand for:

a)

Nitrogen, Phosphorous and Potassium

b)

Nitrate, Potash and Kotassium

c)

Nitrate, Phosphate and Potassium

d)

Nitrogen, Productivity and Potassium

16.

An example of a compound fertiliser:

a)

CAN

b)

Urea

c)

FYM

d)

18-6-12

17.

An example of a straight/simple fertiliser:

a)

18-6-12

b)

10-10-20

c)

CAN

d)

Lime

18.

The activity of which micro-organisms must be inhibited in the conservation of grass? ____________________________________

a)

Bacteria

b)

Tick

c)

Lice

d)

Cattle

19.

If their activity is not inhibited (stopped) what will happen to the grass? ____________________________________

a)

Spoil

b)

Grow

c)

Higher DMD

d)

Produce tillers

20.

When should silage be cut? __________________________________________

a)

Prolonged period of dry weather

b)

Winter

c)

Anytime

d)

February

21.

What type of grassland is silage cut from? _______________________________

a)

Leys

b)

Rough mountain and hill grazing

c)

Productive

d)

Permanent

22.

To ensure the best feeding value of the silage, the grass must be cut when ____________________ is high.

a)

DM

b)

DMD

c)

DMI

d)

Palatability

23.

What percentage is the DMD of good quality silage?

a)

60%

b)

80%

c)

20%

d)

75%

24.

What is fermentation?

a)

convert sugars to acid

b)

convert proteins to carbohydrates

c)

convert acid to sugars

d)

convert sugar to protein

25.

It is carried out by anaerobic bacteria, what does this mean?

a)

with oxygen

b)

without oxygen

c)

with carbon dioxide

d)

without carbon dioxide

26.

Bacteria responsible for producing good quality silage:

a)

Salmonella

b)

Ecoli

c)

Clostridium

d)

Lactobacillus

27.

Bacteria responsible for producing poor quality silage:

a)

Clostridium

b)

Lactobacillus

c)

Ecoli

d)

Salmonella

28.

Good quality silage:

a)

Butyric acid

b)

Hydrochloric acid

c)

Sulfuric Acid

d)

Lactic acid

29.

Poor quality silage:

a)

Hydrochloric acid

b)

Lactic acid

c)

Butyric acid

d)

Sulfuric acid

30.

Palatability is:

a)

low carbohydrate content

b)

high carbohydrate content

c)

high digestibility

d)

high protein content

31.

Molasses is:

a)

a grazing type

b)

a black thick liquid added to silage to improve palatability

c)

fertiliser

d)

animal fodder

32.

Silage effluent is:

a)

run-off from pit/bales

b)

polythene plastic

c)

an additive

d)

animal fodder

33.

When silage effluent seeps into waterways it can lead to:

a)

Eutrophication, high BOD levels and fish kills

b)

plant growth

c)

palatable water

d)

fires

34.

A good use of silage effluent is:

a)

Fertiliser

b)

Animal Fodder

c)

Disinfectant

d)

antibiotics

35.

Tedding is:

a)

baling the grass

b)

cutting the grass

c)

the wetting process

d)

the drying process

36.

Topping is:

a)

mowing the grass 10 cm

b)

moving the grass 12 cm

c)

mowing the grass 5-7cm

d)

mowing the grass 8-10 cm

37.

___________ encourages tillering.

a)

Tedding

b)

Mowing

c)

Baling

d)

Topping

38.

Hay moisture content:

a)

Less than 5%

b)

Less than 50%

c)

Less than 20%

d)

Less than 60%

39.

Haylage is:

a)

not as wet as silage and not as dry

b)

not as dry as silage and not as wet as hay

c)

hay but dryer

d)

silage but wetter

40.

DMD stands for:

a)

Dry Matter

b)

Dry Matter Digestibility

c)

Dry Matter Intake

d)

Digestibility

41.

The feed excluding the water content:

a)

DM

b)

DMD

c)

DMI

d)

Digestibility

42.

Why is haylage a good alternative feed to hay?

a)

It's wetter

b)

It's dust free

c)

It's palatable

d)

It's productive

43.

The best category of grassland:

a)

permanent grassland

b)

leys

c)

rough mountain/hill grazing

d)

ryegrass

44.

The worst category of grassland:

a)

ryegrass

b)

rough mountain/hill grazing

c)

permanent grassland

d)

leys

45.

Botanical composition:

a)

different types of grass species and vegetation

b)

how much livestock that can be held in an area

c)

the amount of herbage

d)

breeds

46.

Stocking rate:

a)

the amount of livestock that can be held in an area

b)

the different grass species/vegetation

c)

the yield

d)

the cost of running a farm

47.

Name this grass species:

a)

Italian Ryegrass

b)

Perennial Ryegrass

c)

White Clover

d)

Red Clover

48.

Name this grass species:

a)

Italian Ryegrass

b)

Perennial Ryegrass

c)

White Clover

d)

Red Clover

49.

Name this plant species:

a)

Perennial Ryegrass

b)

Italian Ryegrass

c)

White Clover

d)

Red Clover

50.

Name this plant species:

a)

Perennial Ryegrass

b)

Italian Ryegrass

c)

White Clover

d)

Red Clover

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