Life science final study review

taxonomy of animals categories:

Kingdom, Phylum, Class, Order, Family, Genus, Species

Which of the following roles do plants mainly assume in an ecosystem?

Producers

Which of the following characteristics does NOT describe the Plant Variety Protection Act?

Allows the patenting of asexually reproduced cultivars

Which of the following best describes decomposers?

Any organisms which primarily feed on dead organisms or waste from living organisms

Which of the following is NOT a characteristic of weeds?

Dependent on humans for propagation

Which of the following is NOT an advantage of weeds?

Increase crop yields

Which of the following is NOT a reason why native plants are better for the environment?

They are introduced to an environment where they did not evolve but quickly adapt to it

Invasive plants are also known as which of the following?

Non-native

Which of the following is NOT a characteristic of a monocot?

Major leaf veins reticulated

Gymnosperms are classified as which of the following?

Vascular

Which of the following best describes angiosperms?

They produce seeds which are encased by an outer layer such as fruit.

Which of the following plant parts is NOT used to classify plants?

Roots

Which of the following terms best describes the pattern in which leaf veins are organized?

Leaf venation

Which of the following is another term used for leaf edges?

Leaf margin

Which of the following is NOT a cause for biennial plants completing their life cycle in one year?

Plants growing too large

Which of the following is a form of classification based on the branching pattern of evolution?

Cladistics

Which of the following is the most general taxon used in classifying organisms?

Kingdom

Which of the following kingdoms is bacteria classified under?

Monera

Which of the following is a characteristic of plantae individuals?

They are multicellular and most do not move

Which of the following terms is analogous to the last name of the plant?

Genus

Which of the following does NOT describe botanical nomenclature?

Assigns plants with an informal name which cannot cross language barriers easily

Kingdom Monera can be further divided into which of the following categories, known as domains?

Archaebacteria and Eubacteria

Which of the following kingdoms does NOT contain multicellular organisms?

Monera

Which of the following does NOT describe an organ system?

It is made up of organs which act independently to achieve a common purpose

Which of the following is NOT considered a plant organ?

Flowers

Which type of cell is most likely to remain totipotent?

Parenchyma cells

Which of the following plant cells contain thicker primary cell walls which have an uneven thickness?

Collenchyma cells

Which of the following is NOT a characteristic of plants?

Organisms which feed on dead organisms or waste from living organisms

Which of the following does NOT accurately describe weeds?

Are mainly human inventions which have been selected for particular traits

Which of the following plant types makes up about 80 percent of all plants?

Vascular plants

Which of the following is another name for a non-vascular plant?

Bryophyte

Which of the following is the most common plant part used to identify plants?

Leaves

Which of the following best describes a dichotomous key?

Identifies plants by a series of choices between pairs of alternatives

Which of the following is the correct order of the taxonomic hierarchy?

Kingdom, division, class, order, family, genus, species

Which of the following terms is used in plant nomenclature to group related plants (i.e., same first name)?

Species

Which of the following is NOT a type of tissue found in plants?

Non-living

Which of the following best describes vascular tissue?

Transports food, water, hormones and minerals throughout the plant

Which of the following is NOT considered a vegetative part of a plant?

seeds

Which of the following supports leaves and buds, branches and reproductive structures?

stems

Which of the following is an enlarged portion of an underground stem?

tuber

Which of the following is a horizontal stem growing on the soil surface?

stolon

Which of the following anchor the plant?

roots

Which of the following describes a perfect flower?

stamens and pistil

Which of the following describes a complete flower?

stamens, pistil, petals and sepals

Which of the following is considered the mature ovary?

fruit

Which of the following is considered the mature ovule?

seed

Which of the following parts of the seed is the food storage organ?

endosperm

Which of the following is NOT utilized by hydroponics?

Soil

Which of the following was NOT mentioned as a macro-nutrient?

Boron

Which of the following is provided to hydroponic plants by artificial growth mediums?

Support and stability

Which of the following was mentioned as a specialty plant suitable for hydroponic productions?

Fruits

Which of the following figures represents the value of the hydroponics industry?

Six billion

Which of the following is the simplest form of hydroponic systems?

Aquaculture system

Which of the following is NOT an aggregate system?

Pipe dream system

Where is the sub-irrigation system reservoir most often located?

Below the aggregate bed

Aeroponic systems must provide which of the following percentages of humidity to plants?

100 percent

Which of the following is NOT a continuous flow system?

Gravity flow system

Which of the following was mentioned as unfeasible for hydroponic production?

Trees

Which of the following is NOT a category of hydroponic plants?

Succulent

Which of the following is NOT a vegetable?

Cantaloupe

Which of the following is NOT a fruit or melon?

Petunias

When flowering and foliage plants are produced hydroponically, how many species should grow within each system?

One

Which of the following is NOT an artificial growing medium?

Soil

Which of the following is the process of circulating air throughout a substance?

Aeration

Which of the following was listed as a plant able to do well in aquaculture systems?

Lettuce

Which of the following risks require aggregate systems to remain dry when not flooded?

Algae

Which of the following systems aerates nutrient solutions as it flows?

Continuous flow systems

Which of the following is used by pipe dream systems to hold plants in place?

Peat moss

Which of the following is NOT an herb?

Daisies

Which of the following may overwhelm hydroponic systems if not closely monitored?

Fruits and vines

Which of the following is NOT a foliage and flowering plant?

Sage

Which of the following was listed as another plant able to be produced hydroponically?

Tobacco

How many nutrients are needed for a plant's growth and survival?

16

The elements are organized into what groups?

macronutrients; micronutrients

Name 3 macronutrients:

phosphorus, magnesium, potassium

Denitrification is caused by a lack of oxygen due to ____and _______.

excess water; soil compaction

What nutrients are required for photosynthesis?

hydrogen, oxygen, carbon

_____________ is the transformation of organic matter to available forms of inorganic nitrogen and other essential nutrients.

Mineralization

Phosphorus availability depends on _____________.

soil pH, soil moisture, amount in the soil

Other than hydrogen, nitrogen, carbon and oxygen, plants take in what element the most?

potassium

There are seven micronutrients.

TRUE

Photosynthesis is the process in which a plant brings in carbon dioxide and water and uses the elements in them to make starches and sugars, which are used in various plant processes.

TRUE

Nitrogen is essential for photosynthesis and chlorophyll formation.

TRUE

Phosphorus is used best if the soil pH is between 4.5 to 5.5.

FALSE

Nitrogen fixation is the process of decomposition and transformation of organic matter to available forms of inorganic nitrogen.

FALSE