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Compre 8 Final

Total questions: 125

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

The scientific name of the Golden Apple Snail (golden kuhol) is:

a)

Pomacea reticulata

b)

Pomacea canaliculata

c)

Pomacea caliculata

d)

Pomacea oryzae

2.

Which crop is most commonly attacked by the Golden Apple Snail?

a)

Corn

b)

Rice

c)

Taro

d)

Sweet potato

3.

At what seedling age is rice most susceptible to Golden Apple Snail attack?

a)

7–10 days

b)

14–24 days

c)

30–45 days

d)

> 6 weeks

4.

Which is NOT a food of Golden Apple Snail?

a)

Rice seedlings

b)

Azolla

c)

Decomposing matter

d)

Woody stems

5.

Golden Apple Snail was originally introduced to the Philippines for:

a)

Biological control

b)

Food source

c)

Aquatic weed control

d)

Ornamental purposes

6.

The origin of Golden Apple Snail is:

a)

Asia

b)

South America

c)

North America

d)

Africa

7.

The part used to distinguish male and female Golden Apple Snail is:

a)

Shell

b)

Operculum

c)

Teeth

d)

Tentacle

8.

Which is NOT a characteristic of Golden Apple Snail?

a)

Hermaphroditic reproduction

b)

Can survive polluted waters

c)

Eggs laid on vegetation above water

d)

Immature stages are voracious

9.

What is the average number of eggs per egg mass of Golden Apple Snail?

a)

30–50

b)

50–500

c)

500–1000

d)

>1000

10.

What is the color of fresh egg masses of Golden Apple Snail?

a)

White

b)

Brown

c)

Bright pink

d)

Yellow

11.

How long before Golden Apple Snail eggs hatch?

a)

3–5 days

b)

7–10 days

c)

12–15 days

d)

20–25 days

12.

Adult Golden Apple Snail usually reaches reproductive maturity at:

a)

1 month

b)

2–3 months

c)

6 months

d)

1 year

13.

Average lifespan of adult Golden Apple Snail is:

a)

6 months

b)

1 year

c)

2–3 years

d)

5 years

14.

Which is NOT a sign of Golden Apple Snail infestation in rice?

a)

Missing seedlings

b)

Floating cut leaves

c)

45° cut tillers

d)

Sparse stand

15.

Which rice varieties are least preferred by Golden Apple Snail?

a)

PSB Rc 36, 38, 40, 65

b)

IR 8, IR 64

c)

NSIC Rc 160, Rc 222

d)

PSB Rc 82, Rc 98

16.

What management practice reduces snail population by 54%?

a)

High nitrogen spraying

b)

Basal application of complete fertilizer and urea

c)

Pesticide seed coating

d)

Flooding fields

17.

Which mechanical practice does NOT help control Golden Apple Snail?

a)

Bamboo stakes for egg laying

b)

Metal screens at water inlets

c)

Deep water irrigation

d)

Handpicking

18.

Which is a naturally occurring biological control agent of Golden Apple Snail?

a)

Ducks

b)

Rats

c)

Red ants

d)

All of the above

19.

Which chemical is more effective against Golden Apple Snail?

a)

Malathion

b)

Metaldehyde

c)

Niclosamide

d)

Endrin

20.

What is the best timing for integrated control of Golden Apple Snail?

a)

Pre-establishment, crop establishment, post-production

b)

Only at transplanting

c)

Only at harvest

d)

Only during dry season

21.

Birds belong to which class?

a)

Mammalia

b)

Aves

c)

Reptilia

d)

Chordata

22.

Damage by birds is most severe during which stage of rice?

a)

Vegetative

b)

Seedling

c)

Ripening

d)

Tillering

23.

Which is NOT a type of damage caused by birds in rice?

a)

Whitehead

b)

Panicle pecking

c)

Seedling uprooting

d)

Grain loss at ripening

24.

Lonchura malacca is the scientific name of:

a)

Scaly-breasted munia

b)

Tri-colored munia

c)

Chestnut munia

d)

Java sparrow

25.

Passer montanus is the scientific name of:

a)

House sparrow (Mayang simbahan)

b)

Nutmeg manikin (Mayang paking)

c)

Java finch (Mayang costa)

d)

Chestnut munia (Mayang pula)

26.

Which bird species is exotic and gray-colored, known as Mayang Costa?

a)

Lonchura punctulata

b)

Passer montanus

c)

Lonchura leucogastra

d)

Padda oryzivora

27.

The bird locally called Mayang Pula is scientifically named:

a)

Lonchura atricapilla

b)

Lonchura leucogastra

c)

Passer melinus

d)

Padda oryzivora

28.

Which bird has become a major storage pest in warehouses?

a)

Java sparrow

b)

House sparrow

c)

Nutmeg manikin

d)

Chestnut munia

29.

The damage by rice-eating birds is usually observed during:

a)

Seedling stage

b)

Vegetative stage

c)

Ripening stage

d)

Post-harvest stage

30.

Which is NOT a bird species found in Philippine rice fields?

a)

Mayang costa

b)

Mayang simbahan

c)

Mayang berde

d)

Mayang pula

31.

Rodents belong to which order?

a)

Chiroptera

b)

Primates

c)

Rodentia

d)

Lagomorpha

32.

The large gap behind incisors of rodents is called:

a)

Diastema

b)

Canine

c)

Molar

d)

Premolar

33.

Which species is the most common rat in Philippine rice fields?

a)

Rattus norvegicus

b)

Rattus exulans

c)

Rattus argentiventer

d)

Rattus tanezumi

34.

Mammary formula of Rattus tanezumi is:

a)

2+2=8

b)

2+3=10

c)

3+3=12

d)

4+4=16

35.

Rattus argentiventer is distinguished by:

a)

Uniformly dark tail longer than head+body

b)

Salt and pepper fur, tuft of orange hair near ear

c)

Large size (200–500 g)

d)

Smallest among Philippine rats

36.

Which rat species is the smallest, only about 30 g?

a)

Rattus norvegicus

b)

Rattus exulans

c)

Mus musculus

d)

Rattus tanezumi

37.

Which rat is the largest pest species, up to 500 g?

a)

Rattus norvegicus

b)

Rattus argentiventer

c)

Rattus tanezumi

d)

Mus musculus

38.

Norway rat is also known as:

a)

Brown rat

b)

Wharf rat

c)

Hanover rat

d)

All of the above

39.

Which rodent has mammary formula of 2+2=8?

a)

Rattus exulans

b)

Rattus tanezumi

c)

Rattus argentiventer

d)

Rattus norvegicus

40.

Which is NOT true about rats and mice?

a)

Mice are larger than rats

b)

Rats are heavier than mice

c)

Mice are lighter than rats

d)

Rats have thicker tails than mice

41.

Gestation period of rats is approximately:

a)

21 days

b)

28 days

c)

30 days

d)

35 days

42.

Average litter size per female rat:

a)

6

b)

12

c)

20

d)

25

43.

Average longevity of field rats in natural conditions:

a)

3 years

b)

2 years

c)

1 year

d)

6 months

44.

Rats use what sensory structure to explore at night?

a)

Vibrissae and guard hairs

b)

Tail

c)

Nose only

d)

Hind legs

45.

Temporary fear of rats to new objects is called:

a)

Paliophobia

b)

Neophobia

c)

Nelophobia

d)

Mysophobia

46.

Which is NOT a sign of rat infestation?

a)

Nests and burrows

b)

Cut panicles

c)

Intact panicles with missing grains

d)

Footprints

47.

Damage of rats is usually seen on tillers cut at:

a)

90°

b)

75°

c)

45°

d)

15°

48.

Which is NOT a method of cultural rodent control?

a)

Clean cultivation

b)

Habitat reduction

c)

Community trap barrier system

d)

Synchronous planting

49.

Which physical control method uses lure crops enclosed with barriers?

a)

Smoking burrows

b)

CTBS

c)

Fumigation

d)

Irrigation

50.

Which rodenticide type kills within hours but causes bait shyness?

a)

Acute poisons

b)

Anticoagulants

c)

Repellents

d)

Fumigants

51.

Warfarin is classified as:

a)

Acute poison

b)

Chronic poison (anticoagulant)

c)

Fumigant

d)

Repellent

52.

Which fumigant is effective only in airtight conditions?

a)

Zinc phosphide

b)

Aluminum phosphide

c)

Warfarin

d)

Endrin

53.

Which repellent is used for seeds against rats?

a)

Malathion

b)

Endrin

c)

Calciferol

d)

Ethylene dichloride

54.

Which is NOT a true characteristic of Norway rat?

a)

Coarse brownish fur

b)

Good climber of trees

c)

Tail shorter than head+body

d)

Urban pest

55.

Which rat species is a major pest in Palawan?

a)

Rattus norvegicus

b)

Rattus argentiventer

c)

Rattus exulans

d)

Rattus tanezumi

56.

Which of the following are natural predators of rats?

a)

Snakes

b)

Owls

c)

Cats

d)

All of the above

57.

Which order of mammals includes bats?

a)

Rodentia

b)

Chiroptera

c)

Lagomorpha

d)

Primates

58.

Which is NOT a minor vertebrate pest?

a)

Monkey

b)

Bat

c)

Deer

d)

Grasshopper

59.

Which species of monkey is common in the Philippines?

a)

Macaca fascicularis

b)

Macaca philippinensis

c)

Both A and B

d)

None

60.

Which animals feed on newly planted forest seedlings and root crops?

a)

Monkeys

b)

Deers, wild pigs, rabbits

c)

Rats

d)

Birds

61.

Which of the following cannot control Golden Apple Snail?

a)

Neem leaves

b)

Deep water irrigation

c)

Papaya leaves

d)

Duck pasturing

62.

Which of the following is a naturally occurring molluscicide?

a)

Neem

b)

Tobacco leaves

c)

Red pepper

d)

All of the above

63.

Which stage of rice is most vulnerable to snail attack?

a)

Seedling (7–15 DAT transplanted rice)

b)

Tillering

c)

Ripening

d)

Post-harvest

64.

Which is NOT true about anticoagulant rodenticides?

a)

Cause bait shyness

b)

Act slowly over 2–6 days

c)

Interfere with blood clotting

d)

Do not kill instantly

65.

Which rodent control strategy is community-based?

a)

Trap barrier system

b)

Fumigation

c)

Poison baiting

d)

Individual trapping

66.

Which practice makes fields unsuitable for rodents?

a)

Clean cultivation

b)

Habitat reduction

c)

Synchronous planting

d)

All of the above

67.

Which is a cultural control for rodents?

a)

Synchronous planting

b)

Pre-baiting

c)

Aluminum phosphide

d)

CTBS

68.

What is the main advantage of CTBS?

a)

Concentrates and traps rats in lure crops, protecting the main crop

b)

Relies on acute poisons for rapid kill

c)

Requires minimal community coordination

d)

Primarily reduces bird damage

69.

Which of the following causes bait shyness in rodents?

a)

Acute poison

b)

Chronic poison

c)

Repellents

d)

CTBS

70.

Which rodent control is effective against commensal rats in storage?

a)

Fumigation

b)

Acute poison

c)

Cats and dogs

d)

All of the above

71.

Which rodent control method is only effective in airtight storage?

a)

Acute poisons

b)

Fumigants

c)

Repellents

d)

CTBS

72.

Which of the following is an example of acute rodenticide?

a)

Zinc phosphide

b)

Warfarin

c)

Calciferol

d)

Fumarin

73.

Which of the following is an anticoagulant rodenticide?

a)

Niclosamide

b)

Calciferol

c)

Barium carbonate

d)

Zinc phosphide

74.

Which is an example of a repellant against rodents?

a)

Warfarin

b)

Malathion

c)

Calciferol

d)

Niclosamide

75.

Community-based rodent management is needed because:

a)

Rats are immobile

b)

Most rats live outside the field

c)

Rats cannot cross fields

d)

Rodents are easily eradicated individually

76.

Which cultural practice reduces snail populations by exposing them to sunlight?

a)

Draining the field

b)

Flooding the field

c)

Applying urea

d)

Growing more seedlings

77.

What is the local product made from Golden Apple Snail that is high in protein?

a)

Chicharon (crackers)

b)

Sausages

c)

Noodles

d)

Fish meal

78.

Which predator is known to attack the eggs of Golden Apple Snails?

a)

Ducks

b)

Chickens

c)

Red ants

d)

Geese

79.

Which vertebrate pest was historically associated with bubonic plague?

a)

Norway rat

b)

House mouse

c)

Polynesian rat

d)

Asian rice field rat

80.

The disease carried by rats that caused millions of deaths in the 14th century was transmitted by:

a)

Mosquitoes

b)

Rat fleas

c)

House flies

d)

Bed bugs

81.

What is the estimated average daily consumption of grain by a rat?

a)

5 g

b)

10 g

c)

15 g

d)

20 g

82.

Which vertebrate pest has been introduced in orchards and damages fruits?

a)

Bats

b)

Deer

c)

Monkeys

d)

Wild pigs

83.

What is the local name for Rattus tanezumi?

a)

Common rice field rat

b)

Norway rat

c)

Polynesian rat

d)

Asian rice field rat

84.

Which vertebrate pest is considered both an orchard and forest pest in the Philippines?

a)

Monkeys

b)

Rats

c)

Bats

d)

Deer

85.

Which practice provides egg-laying sites for snails that can later be destroyed?

a)

Bamboo stakes in paddies

b)

Crop rotation

c)

Community baiting

d)

Duck pasturing

86.

Which is NOT a natural enemy of rodents?

a)

Cats

b)

Snakes

c)

Ducks

d)

Owls

87.

Which rodent control method involves pre-baiting to avoid bait shyness?

a)

Acute poison application

b)

Anticoagulant use

c)

Repellents

d)

CTBS

88.

What condition promotes rapid breeding of rodents?

a)

Abundant food supply

b)

High predator population

c)

Poor water supply

d)

Overuse of repellents

89.

Which crop is least damaged by Golden Apple Snail?

a)

Maize

b)

Rice

c)

Taro

d)

Sweet potato

90.

Which rodent species is often found in warehouses besides rice fields?

a)

Rattus exulans

b)

Rattus tanezumi

c)

Mus musculus

d)

Rattus norvegicus

91.

What is the typical weight of the Asian rice field rat (Rattus argentiventer)?

a)

30 g

b)

130 g

c)

175 g

d)

300 g

92.

Which vertebrate pest is known for gnawing on wood structures and grains?

a)

Mus musculus

b)

Rattus tanezumi

c)

Rattus exulans

d)

Rattus norvegicus

93.

Which vertebrate pest usually occurs in troops of 6–80?

a)

Deer

b)

Wild pigs

c)

Monkeys

d)

Rabbits

94.

Which pest is considered an urban health threat and also a rice pest in Iloilo?

a)

Polynesian rat

b)

Norway rat

c)

Asian rice field rat

d)

House mouse

95.

Which sign indicates Golden Apple Snail infestation?

a)

Whiteheads on panicles

b)

Sparse stand and missing seedlings

c)

Milky grain spillage

d)

Intact panicles with missing grains

96.

Which rodent is highly arboreal and associated with stored grain damage?

a)

Rattus tanezumi

b)

Rattus argentiventer

c)

Rattus exulans

d)

Rattus norvegicus

97.

Which vertebrate pest is classified as Chiroptera?

a)

Deer

b)

Bat

c)

Monkey

d)

Rat

98.

Which vertebrate pest uses ootheca for egg-laying?

a)

Cockroaches

b)

Birds

c)

Rats

d)

Bats

99.

Which strategy combines duck pasturing, handpicking, and water management?

a)

Cultural control

b)

Integrated control

c)

Biological control

d)

Chemical control

100.

Which rat control chemical group interferes with blood clotting?

a)

Fumigants

b)

Anticoagulants

c)

Acute poisons

d)

Repellents

101.

Which crop is most sensitive to weed competition at 21–35 DAP?

a)

Soybean

b)

Peanut

c)

Mungbean

d)

Onion

102.

Which condition favors higher weed competitiveness?

a)

Direct-seeded rice

b)

Transplanted rice

c)

Crop rotation system

d)

Tall traditional cultivars

103.

Which statement is TRUE about crop variety competitiveness?

a)

Short-statured varieties compete better with weeds

b)

High tillering cultivars suppress weeds effectively

c)

Imported varieties are always superior competitors

d)

Early maturing varieties are poor competitors

104.

Which is an example of interspecific competition?

a)

Rice plants shading each other

b)

Echinochloa crusgalli competing with rice

c)

Corn plants competing with each other

d)

Onion bulbs competing for nutrients

105.

Allelopathy is defined as:

a)

Competition for nutrients

b)

Biochemical inhibition by one plant on another

c)

Crop resistance to herbicides

d)

Symbiotic association with microorganisms

106.

Which weed excretes allelopathic substances that inhibit cucumber growth?

a)

Imperata cylindrica

b)

Rottboellia cochinchinensis

c)

Cyperus rotundus

d)

All of the above

107.

Which allelopathic plant negatively affects cabbage growth?

a)

Cyperus rotundus

b)

Salvia leucophylla

c)

Imperata cylindrica

d)

Echinochloa crusgalli

108.

Which factor does NOT directly influence the degree of competition?

a)

Weed species

b)

Weed density

c)

Time of competition

d)

Crop storage temperature

109.

Portulaca requires how much water to produce 1 g dry matter, making it more efficient than crops?

a)

253 g

b)

371 g

c)

682 g

d)

800 g

110.

Which method of planting gives crops a head start against weeds?

a)

Broadcasting

b)

Transplanting

c)

Direct seeding

d)

Random sowing

111.

The aim of weed management is:

a)

To eliminate all weeds permanently

b)

To reduce weed population below economic threshold

c)

To use herbicides exclusively

d)

To maintain biodiversity of weeds

112.

Which method involves keeping farm tools and irrigation canals weed-free?

a)

Preventive

b)

Manual

c)

Cultural

d)

Biological

113.

Which is the most tedious but effective method of weed removal?

a)

Herbicide spraying

b)

Crop rotation

114.

Which cultural practice suppresses weeds effectively before planting by allowing seeds to germinate and then destroying them?

a)

Crop rotation

b)

Stale seedbed technique

c)

High tillering variety

d)

Mulching

115.

Which water management practice can suppress weed growth?

a)

Irrigating after weeds emerge

b)

Flooding before weeds germinate

c)

Sprinkling every morning

d)

Dryland farming

116.

Which attribute is NOT essential for a biological weed control agent?

a)

Host specificity

b)

Ability to disperse

c)

Short life cycle

d)

Attacking multiple crop species

117.

Which type of herbicide is applied before crop planting and incorporated into soil?

a)

Foliar-applied systemic

b)

Preplant soil incorporated

c)

Pre-emergence foliar spray

d)

Post-emergence

118.

Which herbicide is a foliar-applied contact killer?

a)

2,4-D

b)

Glyphosate

c)

Paraquat

d)

Pendimethalin

119.

Which herbicide is systemic and non-selective?

a)

Glyphosate

b)

Propanil

c)

Butachlor

d)

Paraquat

120.

Which herbicide is commonly used pre-emergence in rice fields?

a)

Butachlor

b)

Paraquat

c)

Glyphosate

d)

Atrazine

121.

Selective herbicides are those that:

a)

Kill all plants indiscriminately

b)

Kill weeds with minimal injury to crops

c)

Work only under irrigation

d)

Are always systemic

122.

Which precaution is LEAST important when applying herbicides?

a)

Using correct rate

b)

Applying at correct time

c)

Spraying during fair weather

d)

Mixing with insecticides always

123.

Which condition most reduces herbicide effectiveness after spraying?

a)

Strong sunlight

b)

Rainfall within 2–3 hours

c)

High humidity

d)

Slight wind drift

124.

Which is a systemic herbicide capable of controlling perennial weeds through translocation?

a)

Glyphosate

b)

Propanil

c)

Paraquat

d)

Pendimethalin

125.

Which is the main advantage of transplanting rice over direct seeding in terms of weed control?

a)

Higher fertilizer efficiency

b)

Less water requirement

c)

Better weed suppression

d)

Increased biodiversity

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