WorksheetsPest and Disease Management
Total questions: 20
Worksheet time: 20mins
Below are things compete between crops and weeds EXCEPT
nutrient
water
sunlight
temperature
Weed can be defined as
desired plants
undesired plants
food crops
industrial crops
The characteristics of grasses weed are
narrow, parallel veins and dicotyledon
narrow, parallel veins and round stem
narrow, parallel veins and triangular stems stem
fan like, branching veins
Perennial plant can be defined as
Within 2 years
More than 2 years
Less than 1 year
"These weeds are growing in water" refers to
Sub-saharan
Subterranean
Terrestrial
Aquatic
Monocotyledon can be defined as
a flowering plant with an embryo that bears a single cotyledon (seed leaf)
a flowering plant with an embryo that bears two cotyledons (seed leaves)
have broad stalked leaves with netlike veins
"One organism gets benefits, and the other organism gets harm" refers to
Mutualism
Commensalism
Parasitism
Competition
Which one is the agency in Malaysia that focuses on palm oil R&D?
PORLA
MPOB
MPOC
PORIM
Which one is the agency in Malaysia that focuses on process of inspecting any foreign plants bringing to the country?
MARDI
MAQIS
MAHA
MPOB
Cultural methods can be defined as
agriculture practices used to enhance crop and livestock health and prevent weed, pest or disease problems without the use of chemical
based on substances that are toxic (poisonous) to the pests
mechanical or hand controls where the pest is actually attacked and destroyed
Symptoms can be defined as an abnormality in the structure and/or function of the host plant cells and/or tissue as a result of a continuous irritation caused by a pathogenic agent or an environmental factor
True
False
Disease defined as changes in plant growth or appearance in response to biotic or abiotic factors
True
False
The example of biotic factors are fungi, bacteria and nematodes
True
False
A host is an organism (eg.: a plant) that is harboring a parasite or pathogen from which it obtains its nutrients
True
False
In relatively large amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the micronutrients.
True
False
Saprotrophsis an organism that feeds on or derives nourishment from decaying organic matter.
True
False
Autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
True
False
Triange disease concept consists of host, environment and pathogen
True
False
Infectious disease caused by non living factors (non-biotic)
True
False
Systemic symptoms are those involving the reaction of a greater part or all of the plant, such as wilting, yellowing, and dwarfing
True
False
