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Crop Science (Week 1)

Total questions: 102

Worksheet time: 35mins

Name
Class
Date
1.

The botanical classification of botanical crops is the grouping of plants to morphological similiarities and it was founded by this scientist.

a)

Pasteur

b)

Leuwenhoek

c)

Linnaeus

d)

Hooke

2.

In Asia, the early civilizations have established around a diet basically consisting of:

a)

Maize and peanuts

b)

Sorghum and beans

c)

Wheat and barley

d)

Rice and bean

3.

The synonym of family Leguminoceae is

a)

Convulvolaceae

b)

Fabaceae

c)

Monocotyledonae

d)

Pedaliaceae

4.

Who was the secretary of Agriculture when the Bureua of Agriculture Extension was established in 1953 together with 4-H Club and Rural Improvement Club?

a)

Rafael Alunan Sr.

b)

Placido L. Mapa

c)

Fernando Lopez

d)

Salvador Araneta

5.

A group of plants within a species that are distinguished by the same or similar characteristics

a)

Clone

b)

Genus

c)

Variety

d)

Species

6.

The word cereal is derived from the name of the most important grain deity,

a)

The Roman Goddess Venus

b)

The Roman Cod of Soul

c)

The Xeres God of Israel

d)

The Roman Goddess Ceres

7.

The phloem tissue is found in the bark which is composed of

a)

Sieve, tube, fibers, parenchyma and companion cell

b)

Trancheids, vessel, parenchyma and companion cell

c)

Seive tube, vessels, parenchyma and fibers

d)

Seive tube, companion cell, fibers and vessels used in transporting the photosynthesis

8.

Scientifically, the Grass family is the same as l, Graminae ll. Poaceae Ill. Monocotyledonae.

a)

Land III are True

b)

Land all are false

c)

Land lol are True

d)

L all is False

9.

What is not a species

a)

Indica

b)

Vulgaris

c)

Carota

d)

Mangifera

10.

Crops which have the following characteristics can be planted through direct seeding.

a)

Seeds are difficult to germinate.

b)

Seeds are expensive

c)

Seedling connot tolerate root disturbances

d)

Seedlings develop multiple tap roots

11.

Who was the first Minister of Agriculture when all cabinet departments were changed to ministries during martial law and established the 12 regional officers each heade by a regional director?

a)

Arturo R. Tanco

b)

Juan G. Rodriguez

c)

Benjamin M. Gozon

d)

Cesar Fortich

12.

The enactment of this law replaces the Philippine Seed Board with the National Seed Industry Council beginning March 27, 1992

a)

RA 7001

b)

R.A 7308

c)

RA 2000

d)

R.R 8435

13.

Which is not under the family Leguminoceae

a)

Phaseoluslunatus

b)

Vignaunguiculata

c)

Lagenariasiceraria

d)

Phaseolus vulgaris

14.

Thee natural or artificial process which permits an increase in the proportion of certain genotypes or groups of genotypes in succeedind generation to isolate or separate the better strains or genotypes from the variety.

a)

Selection

b)

Hybridization

c)

Introgression

d)

Introduction

15.

Light absorption by the leaf is lowest in:

a)

Red

b)

Blue

c)

Yellow

d)

Green

16.

This is a standard procedure of testing whether a plant or plant tissues carries known diseases or not.

a)

Quarantine

b)

Disease Tracing

c)

Diagnostic

d)

Disease indexing

17.

Plant propagation can be accomplished through several techniques. It is the implementation of meristem from another to a plantlet or sterile plant in vitro.

a)

Grafting

b)

Budding

c)

Microlayering

d)

Micrografting

18.

Which is not under the family Leuminoceae

a)

Phaseoluslunatus

b)

Vignaunguiculata

c)

Lagenariasiceraria

d)

Phaseolus vulgaris

19.

It is a system of checking and guaranteeing variuos aspectsbof seed quality during the period seed is being multiplied and further handled.

a)

Seed selection

b)

Seed certification

c)

Seed processing

d)

Seed production

20.

It is the transfer of desirable genes into organisms like production of genetically modified organisms (GMO), synthetic genetic engineering, application of recombinant DNA technology (gene splicing or crossing over from different sources.

a)

Transformation

b)

Diagnostics

c)

Bioinformatics

d)

Market-assisted breeding

21.

This institutuon exist to rationalize the release of varieties emanating from different sources.

a)

Philippine Seed Borad

b)

Department of Agriculture

c)

National Seed Industry Council

d)

Asian Hybrid Corporation

22.

It is the transfer of desirable genes into organisms like production of genetically modified organisms (GMO), synthetic genetic engineering, application of recombinant DNA technology (gene

splicing or crossing over from different sources.

a)

Transformation

b)

Diagnostics

c)

Bioinformatics

d)

Market-assisted breeding

23.

It is a type of agricultural systems which is characterized by defined holdings with largely permanent field divisions. Semi stationary housing predominates, with families having registered

ownership of the land.

a)

Shifting cultivation system

b)

Fallow system

c)

Systems with perennial crops

d)

Grazing system

24.

It is generally the alteration, modification, or change of an organism's genetic or hereditary material to eliminate undesirable characteristics or to produce desirable new ones.

a)

Replication

b)

Genomics

c)

Bioinformatics

d)

Genetic engineering

25.

Which does not belong to the group of forage crops?

a)

R. Communis

b)

M. Artropurpureum

c)

S. Humilis

d)

P. Purpureum

26.

The scientific name of bitter gourd is

a)

Momordica charantia

b)

Citrullus lunatus

c)

Luffa acutangula

d)

Luffa cylindrical

27.

72. The scientific name of watermelon is

a)

C. Lunatus

b)

C. Maxima

c)

S. Edule

d)

C. Sativus

28.

Cell turgidity in plants is maintained through:

a)

Respiration

b)

Osmoregulation

c)

Translocation

d)

Plasmolysis

29.

The Kranz anatomy is found in the leaves of:

a)

C3 Plants

b)

C4 Plants

c)

Cam plants

d)

Rice plants

30.

Which does not belong to the Crucifer family?

a)

B. Juncea

b)

B. Oleraceae

c)

B. Sinenis

d)

B. Alba

31.

C3 plants have:

a)

Only once CO2 fixation pathway

b)

Two CO₂ fixation pathways separated in space

c)

Two CO2 fixation pathways separated in time

d)

Three CO2 fixation pathways

32.

An RQ value equal to 1 means:

a)

Glucose is being respired

b)

Fats is being respired

c)

Anaerobic respiration is taking place

d)

Aerobic respiration is involved

33.

A major fruit in Western and Central Visayas

a)

Onion

b)

Mango

c)

Lanzones

d)

Pineapple

34.

A major cutflower of CAR

a)

Strawberry

b)

Aster

c)

Orchids

d)

Chrysanthemum

35.

The World Commission on Environment and Development (WCED), which was formed by the United Nations in 1983, is better known as the Brundt land Commission in April 1987, it Issued this report which focuses on how development could be sustained

a)

Sustainable Development

b)

Development and the Environment

c)

Our Common Future

d)

Conserving the Earth

36.

A major field crop in the Bicol Region

a)

Garlic

b)

Coconut

c)

Abaca

d)

Sweet potato

37.

Major field crop and vegetable in Southern Mindanao

a)

Corn and potato

b)

Rice and pechay

c)

Banana and androses

d)

Corn and cabbage

38.

In environment where water is scarce and expensive, and the soil which is sandy is porous, irrigation is best done by this method.

a)

Furrow irrigation

b)

Overhead imigation

c)

Drip irrigation

d)

All of the above

39.

Leguminous crops can fix N from the atmosphere. Which is not under the family Leguminosae or Fabaceae?

a)

Phaseolus lunatus

b)

Lagenaria siceraria

c)

Vigna unguiculata

d)

Phaseolus vulgaris

40.

Pigeon pea originated and is widely domesticated in this country

a)

Australia

b)

South America

c)

India

d)

Central Asia

41.

It refers to the manner of utilizing land, including its allocation, development, and management

a)

Land use

b)

Land use planning

c)

Land use plan

d)

Land distribution

42.

It is a classification of farming systems based on type and

intensity of rotation, water supply, cropping patterns and animal activities and degree of commercialization.

a)

Cultivation

b)

Grassland

c)

Collection

d)

Fallow

43.

A method of asexual propagation in which missing organs are allowed to regenerate or detached from the vegetative parts of

the plant is:

a)

Marcotting

b)

Budding

c)

Cuttage

d)

Grafting

44.

It refers to duly registered associations or persons with a common bond of interest who have voluntarily joined together to achieve a

lawful common social and economic end.

a)

Competitive advantage

b)

Communal advantage

c)

Rural advantage

d)

Economic advantage

45.

93. The scientific name of durian is

a. Dunozibethinus b. Artocarpusabilis

c. Durio discolor d. Averhoabilimbi

a)

Durio zibethinus

b)

Artocarpus abilis

c)

Durio discolor

d)

Averhoa bilimbi

46.

Properly dried seeds can be stored for a longer duration with high germination if this container is

a)

Paper bag

b)

Jute sack

c)

Sealed tin can

d)

Plastic sack

47.

The following are types of shifting cultivation systems, except:

a)

Intercropping system

b)

Migration system

c)

Vegetative system

d)

Clearance system

48.

Momordicacharantia and Sechiumedule, are exmaples of the

family

a)

Cucurbitaceae

b)

Moringaceae

c)

Malvaceae

d)

Compositae

49.

Which of the following does not belong to the classification of

farming systems?

a)

Collection

b)

Grassland utilization

c)

Cultivation

d)

Cropping System

50.

The scientific name of lanzones is

a)

Durio zibithinus

b)

Artocarpus altilis

c)

Durio discolor

d)

Lansium domesticum

51.

The main path of (movement of) inorganic substances in plants is:

a)

Roots

b)

Xylem

c)

Ploem

d)

Leaves

52.

The scientific name of mangosteen is

a)

Garcinia mangostana

b)

Artocarpus albilis

c)

Durio discolor

d)

Averhoabilimbi

53.

Mango's scientific name is

a)

Mangifera indica

b)

Artocarpus altilis

c)

Durio discolor

d)

Averhoa bilimbi

54.

Passive movement of water occurs:

a)

From a cell with high potential to cell with low potential

b)

Only through a semi-permeable membrane

c)

Through cytoplasmic streaming

d)

From a cell with low potential to a cell with high potential

55.

As autotroph, plants:

a)

Can directly use CO2, to synthesize its food

b)

Act as host to N, fixing bacteria

c)

Obtain nutrients from the soil

d)

Obtain nutrient from crop residue

56.

The mechanism in which plant growth is governed by some

kind of "division of labor among cell and different plant parts is

called:

a)

Genome

b)

Correlation mechanism

c)

Endogenous growth rhythm

d)

Exogenous growth rhythm

57.

A major fruit in BARMM

a)

Mangosteen

b)

Marang

c)

Durian

d)

Strawberry

58.

Growth in plant usually takes in growth points such as

a)

Flower

b)

Stems

c)

Meristem

d)

Branch

59.

Pearl millet is a major crop in and originated in this region of

the world

a)

China

b)

Australia

c)

Southeast Asia

d)

Africa

60.

A system of land preparation involving plowing and harrowing

under submerged condition

a)

Lowland

b)

Upland

c)

Dryland

d)

Tillage

61.

A system of land preparation where plowing and harrowing

are done in dry or moist condition

a)

Lowland

b)

Upland

c)

Wetland

d)

Tillage

62.

A major grass in Central Luzon

a)

Mungbean

b)

Sugarcane

c)

Millet

d)

Sorghum

63.

This is the capacity of a cell cultured in vitro to regenerate into

a plant.

a)

Potency

b)

Micropropagation

c)

Totipotency

d)

Culturability

64.

The lowland system of preparing the soil results in this physical change

a)

Soil structure and granulation are maintained

b)

Macropores and micropores are maintained

c)

Macropores are lost and only micropores prevail

d)

Downward movement of water is normal and water drains easily

65.

The observable variation present in a character in a population

is called

a)

Phenotypic variation

b)

Dominance variation

c)

Genotypic variation

d)

Environmental variation

66.

This refers to the increased genetic variability brought about

by tissue Culture.

a)

Mutation

b)

Somaclonal variation

c)

Genetic variation

d)

None of the above

67.

Carotenoids are present in the leaves to perform this role.

a)

Convert sunlight to ATP

b)

Prevent photo codation of chlorophyll

c)

Reduce NADP

d)

Transport out oxygen of the leaves

68.

This is a group of cells, tissues or plants derived from a single

mother cell, tissue or plant through asexual means and is

expected to be genetically identical

a)

Clone

b)

Bud

c)

Meristem

d)

Scion

69.

The mechanical manipulation of the soil from a known condition to a different desired condition.

a)

Primary tillage

b)

Soil tilth

c)

Tillage

d)

Secondary Tillage

70.

Collection is one of the conservation strategies of plant genetic resources. Which among the following is not a type of collection?

a)

In vitro collection

b)

Core collection

c)

Field collection

d)

In situ collection

71.

Which of the following is not a type of agricultural systems?

a)

Shifting cultivation system

b)

Fallow system

c)

Farming system

d)

Ley system

72.

In grassland utilization as a classification of farming systems, the situation wherein farmers with a permanent place of residence send their herds, tended by herdsmen, for long periods of time to

distant grazing areas is known as

a)

Semi-nomadism

b)

Transhumance

c)

Total nomadism

d)

Partial nomadism

73.

Which of the following methods of crop improvement is not commonly used due to difficulty in identifying the change in the desired traits?

a)

Selection

b)

Hybridization

c)

Plant introduction

d)

Introgression

74.

It is loosely defined as a wild species under the management of man which provides domestic types of plants that are superior in characteritics to the previously available material

a)

Introduction

b)

Hybridization

c)

Cultivation

d)

Domestication

75.

Thee natural or artificial process which permits an increase in the proportion of certain genotypes or groups of genotypes in succeeding generation to isolate or separate the better strains or genotypes from the variety.

a)

Introgression

b)

Selection

c)

Hybridization

d)

Introduction

76.

A classification of plants according to blooming habits wherein pollination occurs before flower opening. It is mostly self pollination and limited cross-pollination

a)

Monoecious

b)

Dichogamous

c)

Chasmogamous

d)

Cleistogamous

77.

This is the scientific name of rambutan

a)

Durio discolor

b)

Nephelium lappaceum

c)

Artocarpus altilis

d)

Averrhoa domesticum

78.

The scientific name of wheat is

a)

Zea mays

b)

Triticumae sativum

c)

Oryza sativa

d)

Saccharum officinarum

79.

Plants that grow on live trees or dead trunks but do not depend on them for water and nutrients

a)

Terrestrial

b)

Bryophytes

c)

Epiphytes

d)

Xerophytes

80.

124. Pterocarpusindicus Wild, the Philippine National Tree,

represents a type of dry indehiscent fruit called

a)

Achene

b)

Nut

c)

Schizocarp

d)

Samara

81.

Root hairs are uncutinized epidermal appendages located at

the

a)

Cell Cell division region region

b)

Cell division region

c)

Cell elongation region that increase the water absorbing

capacity of the root,

d)

Meristem region

82.

Which is not a characteristic of dicotyledonous plants?

a)

Floral parts in 5's or multiple of 5

b)

Netted venation

c)

Distinct nodes and internodes

d)

Tap root system d

83.

This phytohormone is also referred to as ripening hormone:

a)

Cytokinin

b)

Ethylene

c)

IAA

d)

Gibberelin

84.

The special cells that allow rice plants to adjust to varying

levels of O2 in the growth medium are called:

a)

Phytochrome cells

b)

Aerenchyma cells

c)

Chroloplast cells

d)

Bulliform cells

85.

The growth response of plants to the direction of light is

called:

a)

Epinastry

b)

Thigmatropism

c)

Geotropism

d)

Phototropism

86.

The greatest achievement of man in metallurgy during 3,000

BC which greatly improved tillage

a)

Selection and breeding

b)

Development of plow

c)

Development and use of fertilizers

d)

Use of farm tractor

87.

The G in equation Y=f[G+E+(GxE)] refers to:

a)

Gender

b)

Growth

c)

Genotype

d)

Geotropism

88.

An optimum environment, for crop growth and development is

one that:

a)

Free from pest and diseases

b)

Poses a minimum of constraints

c)

Gas a wide range for crop adaptation

d)

Does not interact with crops

89.

The seasonal pattern of atmospheric conditions in a particular

occurring from year to year is called:

a)

Season

b)

Weather

c)

Summer

d)

Climate

90.

The Father of Modern Tillage

a)

James Tull

b)

Jethro Till

c)

Jethro

d)

John Tull

91.

This is the scientific name of rambutan

a)

Durio discolor

b)

Nephelium lappaceum

c)

Artocarpusaltilis

d)

Averrhoadomesticum

92.

A classification of plants according to blooming habits wherein pollination occurs before flower opening. It is mostly self pollination and limited cross-pollination

a)

Dichogamous

b)

Chasmogamous

c)

Cleistogamous

d)

Monoecious

93.

Soil moisture is a factor for good land preparation of upland fields. A practical indicator of a soil with ideal moisture content is

a)

Freshly cut surface should not glisten with moisture

b)

Soil sticks on the moldboard plow

c)

Field is level

d)

Soil is non-friable

94.

Which is not a characteristic of dicotyledonous plants?

a)

Netted venation

b)

Tap root system

c)

Floral parts in 5's or multiple of 5

d)

Distinct nodes and internodes

95.

An optimum environment, for crop growth and development is

one that:

a)

Does not interact with crops

b)

Poses a minimum of constraints

c)

Free from pest and diseases

d)

Gas a wide range for crop adaptation

96.

The seasonal pattern of atmospheric conditions in a particular

occurring from year to year is called:

a)

Summer

b)

Season

c)

Weather

d)

Climate

97.

Condition of the soil when puddled

a)

Plow sole or hardpan is absent

b)

Drainage of water is normal

c)

Percolation of water is sharply decreased

d)

Soil clods are broken into smaller aggregates and particles

98.

A unique component of lowland or wetland system of land

preparation

a)

Leveling

b)

Flooding

c)

Plowing

d)

Harrowing

99.

A method of planting the seed at the bottom of the furrow and is usually recommended during the dry season.

a)

Hill planting

b)

Surface or flat-bed planting

c)

Furrow planting

d)

List planting

100.

An optional step necessary in opening new areas and in preparing the field after a prolonged fallow period

a)

Weeding

b)

Ridging

c)

Plowing

d)

Harrowing

101.

An optional step necessary in opening new areas and in preparing the field after a prolonged fallow period

a)

Weeding

b)

Ridging

c)

Plowing

d)

Harrowing

102.

The most aggressive tillage operation

a)

Harrowing

b)

Ridging

c)

Plowing

d)

Weeding