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Worksheets

exam for LEA takers

Total questions: 35

Worksheet time: 12mins

Name
Class
Date
1.

Which are the first cereals cultivated?

a)

Emmer wheat, einkorn wheat, and barley

b)

Emmer wheat, rice, and corn

c)

Emmer wheat, corn, and barley

d)

corn, einkorn wheat, and barley

e)

none of the choices

2.

It is believe that teosinte is the wild ancestor of

a)

corn

b)

wheat

c)

rice

d)

sorghum

e)

barley

3.

The following were founder crops except

a)

hulled barley

b)

peas

c)

lentils

d)

rice

e)

none of the choices

4.

What is considered the earliest plow in agricultural history?

a)

Iron plow

b)

Wooden scratch plow

c)

Steel moldboard plow

d)

Mechanical tractor plow

5.

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?

a)

Mendel

b)

Valivov

c)

Darwin

d)

Linnaeus

6.

Which of the following regions is NOT considered one of Vavilov’s eight geographic centers of crop origin?

a)

China

b)

Antartica

c)

India and the Indo-Malayan region

d)

South Mexico

e)

Central america

7.

Where did Nikolai Vavilov establish the world’s first seed bank, and approximately how many plant varieties were housed?

a)

Moscow, 100,000 varieties

b)

Leningrad, 300,000 varieties

c)

St. Petersburg, 50,000 varieties

d)

Kiev, 250,000 varieties

8.

Which of the following statements correctly matches the context of agriculture with its primary focus?

a)

Scientific context – focuses on market profitability and trade of agricultural products.

b)

Economic/business context – focuses on soil, crop physiology, and pest management.

c)

Social/community context – focuses on employment, rural development, and food security.

d)

Environmental/ecological context – focuses exclusively on artistic design of farms.

9.

In which context is agriculture primarily viewed as the study and application of biological, chemical, and physical principles to improve crop and livestock production?

a)

economic/Business

b)

scientific

c)

social/Community

d)

artistic

10.

What common leafy green is native to Persia and is often associated with a specific cartoon character who made his maritime debut in 1929?

a)

Lactuca sativa

b)

Basella alba

c)

Spinacia oleracea

d)

Brassica oleracea var. capitata

e)

Ipomoea batatas

11.

Once an export banana cultivar that was overtook by Cavendish variety.

a)

Gros Michel

b)

Red Banana

c)

Blue java

d)

Blatundan

12.

Which disease led to the decline of the Gros Michel banana as the primary export variety?

a)

Black Sigatoka

b)

Panama disease

c)

Bunchy top virus

d)

Anthracnose

13.

Linseed” is another name for which flowering plant, cultivated for over 30,000 years and used as a source of linen fiber?

a)

Cotton

b)

Flax

c)

Hemp

d)

Jute

14.

What two-word machine, invented in 1793 by Eli Whitney, separates fibers of a plant from its seeds?

a)

Spinning Jenny

b)

Cotton Gin

c)

Seed Separator

d)

Flax Breaker

15.

What was the primary goal of the Green Revolution in the Philippines?

a)

Promote farming technologies

b)

Increase agricultural productivity and food security

c)

Increase the number of farmers

d)

strengthen urban development

16.

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

a)

IR8

b)

Jasmine

c)

Basmati

d)

Arborio

17.

Which of the following statements correctly describes brown rice and pigmented rice?

a)

Brown rice has its bran layer removed, while pigmented rice retains it.

b)

Brown rice is whole grain with bran intact, and pigmented rice has colored bran like red, black, or purple.

c)

Both are white rice varieties with no nutritional differences.

d)

Pigmented rice is polished white rice, while brown rice is enriched with vitamins.

18.

The father of green revolution

a)

Norman Borlaug

b)

Gregor Mendel

c)

Carl Linnaeus

d)

Charles Eaves

e)

Leopoldo Uichanco

19.

According to ______, Philippines remain world’s biggest importer of rice in 2025

a)

ICRISAT

b)

FAO

c)

USDA

d)

IFAD

e)

None of the choices

20.

Tapioca is a starch extracted from the root of the _______ plant , which is native to Brazil.

a)

Daucus carota

b)

Ipomoea batatas

c)

Manihot esculenta

d)

Raphanus sativus

e)

none of the choices

21.

Which 18th-century Englishman revolutionized agriculture by inventing horse-drawn versions of the seed drill and hoe?

a)

Eli Whitney

b)

Jethro Tull

c)

Thomas Jefferson

d)

Gregor Mendel

22.

What usually causes bolting in leafy vegetables such as lettuce and spinach?

a)

Excessive watering

b)

Low soil nutrients

c)

High temperatures and long daylight hours

d)

Pruning too frequently

23.

Which of the following is a consequence of bolting in leafy crops?

a)

Leaves remain tender and sweet

b)

Plant stops producing edible leaves and becomes bitter

c)

Increased yield of leafy greens

d)

Roots grow faster

24.

Which approach in agriculture focuses on producing enough food for a family or local community with minimal surplus for trade?

a)

Commercial farming

b)

Subsistence farming

c)

Biodynamic agriculture

d)

Precision agriculture

25.
a)

Use of synthetic fertilizer

b)

shifting cultivation and intercropping

c)

monocropping

d)

use of drone

29.

Who is the DA secretary from 2010–2016 (time of President Benigno Aquino III)

a)

Proceso Alcala

b)

Arthur Yap

c)

Edgardo Angarra

d)

William Dar

30.

The following were the 4 major biotech crops in 2012 except

a)

Soybean

b)

Cotton

c)

Maize

d)

Canola

e)

Tomato

31.

The ________ is technically a fruit, but it is commonly treated as a vegetable.

a)

sweet potato

b)

radish

c)

tomato

d)

carrots

e)

none

32.

The ________ is the fourth most consumed food crop globally after rice, wheat, and corn.

a)

cabbage

b)

potato

c)

tomato

d)

onion

e)

banana

33.

Scientists in _________ developed a flood-tolerant rice variety using CRISPR.

a)

Bangladesh

b)

India

c)

Sri Lanka

d)

China

e)

Nepal

34.

The Golden Rice project began in the 1990s to address vitamin A deficiency in developing countries to address Vitamin _______ deficiency.

a)

A

b)

B

c)

C

d)

D

35.

The first genetically modified (GMO) crop approved for commercial sale was ______.

a)

rice

b)

corn

c)

cotton

d)

eggplant

e)

tomato