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Worksheetsexam for LEA takers
Total questions: 35
Worksheet time: 12mins
Which are the first cereals cultivated?
Emmer wheat, einkorn wheat, and barley
Emmer wheat, rice, and corn
Emmer wheat, corn, and barley
corn, einkorn wheat, and barley
none of the choices
It is believe that teosinte is the wild ancestor of
corn
wheat
rice
sorghum
barley
The following were founder crops except
hulled barley
peas
lentils
rice
none of the choices
What is considered the earliest plow in agricultural history?
Iron plow
Wooden scratch plow
Steel moldboard plow
Mechanical tractor plow
Who proposed the eight geographic centers as the birthplaces or “centers of origin” of crops, where wild relatives of crops still exist and where humans first began cultivation?
Mendel
Valivov
Darwin
Linnaeus
Which of the following regions is NOT considered one of Vavilov’s eight geographic centers of crop origin?
China
Antartica
India and the Indo-Malayan region
South Mexico
Central america
Where did Nikolai Vavilov establish the world’s first seed bank, and approximately how many plant varieties were housed?
Moscow, 100,000 varieties
Leningrad, 300,000 varieties
St. Petersburg, 50,000 varieties
Kiev, 250,000 varieties
Which of the following statements correctly matches the context of agriculture with its primary focus?
Scientific context – focuses on market profitability and trade of agricultural products.
Economic/business context – focuses on soil, crop physiology, and pest management.
Social/community context – focuses on employment, rural development, and food security.
Environmental/ecological context – focuses exclusively on artistic design of farms.
In which context is agriculture primarily viewed as the study and application of biological, chemical, and physical principles to improve crop and livestock production?
economic/Business
scientific
social/Community
artistic
What common leafy green is native to Persia and is often associated with a specific cartoon character who made his maritime debut in 1929?
Lactuca sativa
Basella alba
Spinacia oleracea
Brassica oleracea var. capitata
Ipomoea batatas
Once an export banana cultivar that was overtook by Cavendish variety.
Gros Michel
Red Banana
Blue java
Blatundan
Which disease led to the decline of the Gros Michel banana as the primary export variety?
Black Sigatoka
Panama disease
Bunchy top virus
Anthracnose
Linseed” is another name for which flowering plant, cultivated for over 30,000 years and used as a source of linen fiber?
Cotton
Flax
Hemp
Jute
What two-word machine, invented in 1793 by Eli Whitney, separates fibers of a plant from its seeds?
Spinning Jenny
Cotton Gin
Seed Separator
Flax Breaker
What was the primary goal of the Green Revolution in the Philippines?
Promote farming technologies
Increase agricultural productivity and food security
Increase the number of farmers
strengthen urban development
Which high-yielding variety of rice was widely promoted during the Green Revolution in the Philippines?
a. IR8
b. Jasmine
c. Basmati
d. Arborio
Answer: a. IR8
IR8
Jasmine
Basmati
Arborio
Which of the following statements correctly describes brown rice and pigmented rice?
Brown rice has its bran layer removed, while pigmented rice retains it.
Brown rice is whole grain with bran intact, and pigmented rice has colored bran like red, black, or purple.
Both are white rice varieties with no nutritional differences.
Pigmented rice is polished white rice, while brown rice is enriched with vitamins.
The father of green revolution
Norman Borlaug
Gregor Mendel
Carl Linnaeus
Charles Eaves
Leopoldo Uichanco
According to ______, Philippines remain world’s biggest importer of rice in 2025
ICRISAT
FAO
USDA
IFAD
None of the choices
Tapioca is a starch extracted from the root of the _______ plant , which is native to Brazil.
Daucus carota
Ipomoea batatas
Manihot esculenta
Raphanus sativus
none of the choices
Which 18th-century Englishman revolutionized agriculture by inventing horse-drawn versions of the seed drill and hoe?
Eli Whitney
Jethro Tull
Thomas Jefferson
Gregor Mendel
What usually causes bolting in leafy vegetables such as lettuce and spinach?
Excessive watering
Low soil nutrients
High temperatures and long daylight hours
Pruning too frequently
Which of the following is a consequence of bolting in leafy crops?
Leaves remain tender and sweet
Plant stops producing edible leaves and becomes bitter
Increased yield of leafy greens
Roots grow faster
Which approach in agriculture focuses on producing enough food for a family or local community with minimal surplus for trade?
Commercial farming
Subsistence farming
Biodynamic agriculture
Precision agriculture
Use of synthetic fertilizer
shifting cultivation and intercropping
monocropping
use of drone
intercropping
Crop rotation
Shifting cultivation
hydroponics
Ferdinand Marcos
Diosdado Macapagal
Ramon Magsaysay
Corazon Aquino
RA 3844
RA 8435
RA 10068
RA 6657
Who is the DA secretary from 2010–2016 (time of President Benigno Aquino III)
Proceso Alcala
Arthur Yap
Edgardo Angarra
William Dar
The following were the 4 major biotech crops in 2012 except
Soybean
Cotton
Maize
Canola
Tomato
The ________ is technically a fruit, but it is commonly treated as a vegetable.
sweet potato
radish
tomato
carrots
none
The ________ is the fourth most consumed food crop globally after rice, wheat, and corn.
cabbage
potato
tomato
onion
banana
Scientists in _________ developed a flood-tolerant rice variety using CRISPR.
Bangladesh
India
Sri Lanka
China
Nepal
The Golden Rice project began in the 1990s to address vitamin A deficiency in developing countries to address Vitamin _______ deficiency.
A
B
C
D
The first genetically modified (GMO) crop approved for commercial sale was ______.
rice
corn
cotton
eggplant
tomato
