TOEFL Grammar: Noun Phrases

1. U.S. aquacultural production comprises ______ food fish, ornamental fish, baitfish, mollusks, crustaceans, aquatic plants, algae, and some reptiles.

    the producing

    produce

    is producing

    the production of

2. _______ are grown in a wide variety of climates.

    The organism

    These organisms

    That organism

    Such an organism

3. ______ are grown in open freshwater ponds.

    Catfish

    Catfishes

    This catfish

    A catfish

4. The United States is one of ______ largest exporters of seafood products.

    the worlds

    world's

    the world

    the world's

5. ______ is one of the most important textile fibers in the world.

    Cottons

    The cotton

    Cotton

    A cotton

6. Since 1990, per capita consumption of ______ has held steady.

    the fresh fruits and vegetables

    a fresh fruit and vegetable

    fresh fruits and vegetables

    fresh fruit and vegetable

7. ______, such as Chile and Peru, are dominant suppliers to the U.S. market.

    Some countries

    These countries

    A country

    Two countries

8. _____ in the source of irrigation water play a major role in how vulnerable different crops are to shortfalls in surface water supplies.

    The difference

    A difference

    Difference

    Differences

9. Crops such as rice, cotton, and _____ depend heavily on off-farm surface water.

    the beans

    beans

    a bean

    the bean

10. Farms that use ______ of gravity irrigation are the most able to limit evaporation losses during the drought.

    least amount

    a least amount

    a least amounts

    the least amount