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CropSc 01
  • Anne Ranay

  • 問題数 100 • 5/13/2024

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  • 1

    These are several agents that transfer pollen grains to hasten fruit development. Some flowers are pollinated by bats and these flowers are called

    chiropterophilous

  • 2

    Which among the crops does not fall under the family Solanaceae?

    P. lunatus

  • 3

    The first genetically modified food crop produced in developed countries due to delayed ripening is

    tomato

  • 4

    Root hairs are uncutinized epidermal appendages located at the

    cell maturation region

  • 5

    The scientific name of durian is

    Durio zibethinus

  • 6

    The ratio of genotypic variance to the total variance is termed as

    heritability

  • 7

    The grand phase of growth is known as

    linear phase

  • 8

    The phenomenon of a single major gene affecting more than one character is known as

    pleiotropy

  • 9

    Momordica charantia and Sechium edule, are examples of the family

    Cucurbitaceae

  • 10

    A flower that bears both reproductive structures,the pistil and stamen, is called

    perfect

  • 11

    The production of ethylene is due to the action of growth hormone known as

    auxins

  • 12

    If the flowering of short day plant is controlled by a growth hormone, the flowering of long day plant is likewise controlled by growth hormones. The hormone responsible for this effect is

    gibberellins

  • 13

    Apical dominance is a phenomenon wherein lateral buds are dormant in the presence of terminal buds is affected by

    auxins

  • 14

    An example of pulse crop is

    cowpea

  • 15

    The scientific name of mangosteen is

    Garcinia mangostana

  • 16

    The main cell type and tissue type comprising the whole plant body that performs the function of food production, storage and secretion is

    parenchyma

  • 17

    Branch roots or secondary roots are produced due to the division of a meristematic tissue called

    pericycle

  • 18

    The smooth texture of the monocot stem is generally due to the absence of the porous swelling that facilitates gaseous exchange in this organ of the plant. This structure is called

    lenticel

  • 19

    Kangkon, ampalaya, and camote tops are easily chewed because of the absence of supporting and strengthening tissue called

    sclerenchyma

  • 20

    Photosynthesis occurs also in other organs of the plant as specialized function. A modified stem capable of food producion is called

    cladophyll

  • 21

    Senescence is yellowing of leaves due to maturity and it is due to a hormone called

    ethylene

  • 22

    Crystals are metabolic waste products of the cell that could not be excreted and therefore stored in an organelle called

    vacuole

  • 23

    Short day plants are plants that bear flowers during the period of the year when nights are longer than daytime. The flowering of these kinds of pants is due to the action of the hormone

    abscissic acid

  • 24

    The scientific name of watermelon is

    C. lunatus

  • 25

    The increase in the girth of the stem of dicotyledonous plant is due to the division of a meristematic tissue called

    vascular cambium

  • 26

    The meristematic tissue found in the periderm responsible for the production of the cork and the parenchyma is

    phellogen

  • 27

    The synonym of family Leguminoseae is

    Fabaceae

  • 28

    The plant that is considered the three of life simply because of the many uses of its stem, leaves, and fruits is

    Cocos nucifera L.

  • 29

    Senescence is affected by ethylene but prevented by

    cytokinins

  • 30

    Which is not under the family Leguminoseae

    Lagenaria siceraria

  • 31

    Adjacent cell walls are cemented together by means of

    middle lamella

  • 32

    The genetic constitution of an individual

    genotype

  • 33

    Pterocarpus indicus Willd, the Philippine National Tree, represents a type of dry indehiscent fruit called

    samara

  • 34

    Stomata are avenues for the exchange of gases in the leaves. When these evenues are located on both epidermis of the leaves, they are called

    amphistomata

  • 35

    The scientific name of rambutan

    Nephelium lappaceum

  • 36

    These are meristems found at the apices of the stem and the root mainly responsible for the increase in lenght of these plant organs are called

    promeristems

  • 37

    An example of small fruit is

    pineapple

  • 38

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

    epiphytes

  • 39

    An indication that corm and rhizome are stems although they are generally below the ground is the presence of

    node and internode

  • 40

    Bacillus thuringensis is

    bacterium

  • 41

    Cork cells are derived from the division of the tissue called

    cork cambium

  • 42

    Analyze the statements: I. An example of family Cucurbitaceae are: a) M. charantia b) C. sativum c) C. lunatus II. An example of family Leguminoseae are a) A. hypogaea b) Cajanus cajan c) V. radiata

    Statements I and II are correct

  • 43

    The structure in plants located either at the upper, lower or both epidermis of the leaves responsible for exchange of gasses is known as

    stoma

  • 44

    Several plants have the characteristic of becoming leafless during a year's growth. These plants that shed off their leaves are called

    deciduous

  • 45

    The foolish seedling growth is associated with what kind of growth hormone?

    gibberellins

  • 46

    Which does not belong to the group of forage crops?

    R. communis

  • 47

    The transformation of one plastid to another like the transformation of leucoplast to chloroplast is manifested in the following instances

    greening of a potato tuber

  • 48

    The scientific name of wheat is

    Triticum aestivum

  • 49

    Tissues at the cell elongation region are

    protoderm, ground meristem, and procambium

  • 50

    Cells containing nucleus of one specie but cytoplasm from both the parental species

    cybrids

  • 51

    A plant in which a gene has been transformed through genetic engineering is called

    transgenic plant

  • 52

    Which is not a kind of parallel venation

    veinlets originate from a common point and project like the fingers of a palm

  • 53

    The process of introducing a recombinant DNA molecules into cells of bacteria plants or animal is called

    transformation

  • 54

    The enlarged, fleshy root of some plants like Daucus carota, Ipomea batatas, Raphanus sativus, etc. is example of modified root doing the function

    food storage

  • 55

    Bt corn is a variety of corn where the Bt gene has been inserted and makes corn resistant to

    asiatic corn borer

  • 56

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

    sieve tube, fibers, parenchyma and companion cell

  • 57

    This law states that additional farm inputs in excess of the required does not bring an increase in the amount of produce

    diminishing returns

  • 58

    In some plants like acacia trees, the outer covering especially of the older portion of the stem that breaks, separatesand flakes off is the

    phellem

  • 59

    Analyze the following statements: 1. The most colorful whorl of the flower is the petals and these attract insects for pollination. 2. Flowers that are inconspicuous are provided with mechanism responsible for attracting insects called showy or brightly colored leaves

    both statements are correct or true

  • 60

    Which of these crops can be classified as an agronomic crops and horticultural crops based on their uses under Philippine condition?

    mungbean

  • 61

    Which is not an example of root crops?

    potato

  • 62

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

    the Roman Goddess Ceres

  • 63

    Which does not belong to the group

    paragrass

  • 64

    Provided with tap root system in which the main root is capable of penetrating down the soil surface to seek water level and this explains why these plants are rather long lived. They are:

    dicots

  • 65

    Geotropism is response of the plants to gravity. This response is an effect of growth hormone called

    auxin

  • 66

    A type of sclerenchyma that is short and more or less cuboidal in shape that imparts gritty feeling when fruits containing them are eaten is called

    sclereids

  • 67

    Scientific name of bitter gourd is

    Momordica charantia

  • 68

    In coconut, Cocos nucifera L. the endosperm is classified into coconut meat and coconut water. The botanical term for the coconut meat is

    solid endosperm

  • 69

    A condition exhibited by the plants bearing both pistillate and staminate flowers that may be derived from either the lateral or terminal bud is called

    monoecious

  • 70

    Which is not a characteristic of dicotyledonous plants?

    distinct nodes and internodes

  • 71

    The differential performance of genotypes in different environments is termed as

    GE interaction

  • 72

    Mango's scientific name

    Magnifera indica

  • 73

    Stomatal closure is not only due to deficiency of turgor pressure but also due to the action of hormones. It is affected by

    abscissic acid

  • 74

    Based on habit, plants exist as trees, shrubs, and vines cling to a support or crawl on the soil surface and could not attain a vertical growth by itself because of the absence of

    mechanical tissue

  • 75

    The pigment found in some plants that is soluble in water is known as

    anthocyanin

  • 76

    Storing matured fruits in plastic bags

    enhances

  • 77

    Which does not belong to the Crucifer family?

    B. alba

  • 78

    The botanical classification of agricultural crops using the scientific names is an accepted means of plant classification worldwide and it was found by the scientist.

    Linneaus

  • 79

    The component of variation that is due to genotypic differences among individuals within a population is called

    genotypic variation

  • 80

    Corn or Zea mays L. is a monicot plant that uses its terminal bud for the formation of the staminate flower and the lateral bud in the formation of the pistillate flower. Such condition exhibited by this plant is known as

    monoecious condition

  • 81

    The most common type of cell and tissue in the plant body is

    parenchyma

  • 82

    A tissue found only in the dicot but not in the monocot root and stem as well as dicot stem is

    endodermis

  • 83

    Is an irreversible increase in the size of the organism

    growth

  • 84

    A strengthening tissue present in the plant that can be extracted and can be transformed into economic products like rope, jute sack, cotton balls or cloth is

    fibers

  • 85

    Water is translocated from the basal part of the plant, the root, to the upper parts, the stem, the leaves, the flowers or the fruits via two members of the conducting tissue namely

    tracheids and vessels

  • 86

    The appearance if a plant with respect to a particular character

    phenotype

  • 87

    Modification in the expression of a dominant gene by another non-allelic dominant gene is known as

    gene interaction

  • 88

    Stems of monocot plants are generally small compared to the dicot plants because of the absence of meristematic primary tissue called

    vascular cambium

  • 89

    Oryza sativa L. Is the Filipino's staple food and it represents a kind of indehiscent fruit called

    caryopsis

  • 90

    The tissue found in the root but not in the stem is known as

    endodermis

  • 91

    Characters governed by several genes with small effects are known as

    quantitative

  • 92

    Fruits are derived from one flower and several ovaries

    aggregate

  • 93

    Storage plastids store starch, oil, and proteins and are called

    leucoplast

  • 94

    The ultimate origin of all the primary tissues in the root and the stem is

    apical meristem

  • 95

    Analyze the following statements: 1. Endospermic or albuminous seeds contain endosperm for food storage 2. Corn and rice are two plants whose seeds are classified as non endospermic or exalbuminous

    statement 1 is correct, statement 2 is incorrect

  • 96

    A leaf is held to the stem by a petiole, a leaflet to the rachis by a petiolule, a solitary flower to the stem by a peduncle and a flower in a cluster by

    pedicel

  • 97

    The observable variation present in a character in a population is called

    phenotypic variation

  • 98

    Analyze the following statements: 1. Teeminal bud are necessary for the increase in the height of the plant as well as for fruit formation 2. Lateral buds are necessary for fruit formation only

    statement 1 is true, statement 2 is false

  • 99

    Magnifera indica L., our national fruit, is what type of fleshy fruit?

    fleshy drupe