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What emerges from the seed and pushes into the soil?

Radicle

Which plant hormone is known as the stress hormone

Abscisic acid

Which of the following does NOT accurately describe weeds?

Are mainly human inventions which have been selected for particular traits

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

Bryophyte

Which of the following is a macronutrient?

Calcium

Where is rough endoplasmic reticulum located

Cytoplasm

Which of the following is NOT a characteristics of a vacuole?

Does not contain a nuclei

Which of the following best describes a dichotomous key?

Identifies plants by a series of choices between pairs of alternatives

What two main phases comprise the cell cycle in plants

Interphase and mitosis

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

Is spherical, rod-shaped organelles

Which of the following is NOT true about fertilizer?

It is required for plant growth.

What factor of light has proven to be the most critical to floral development?

Length of uninterrupted dark periods

Which of the following is NOT a phase in the cell cycle?

M2 phase

Which cell structure has a double membrane surrounding it

Mitochondria

What are small organelles found in large numbers in the cytoplasm of a cell called?

Ribosomes

Which of the following is an example of a quantitative trait?

Seed yield

Which of the following involves the combination of two haploid sex cells to create an individual

Sexual reperduction

Which of the following has led to an estimated 70 to 90 percent increase in food production according to the World Bank?

Sustainable agriculture

In which phase does the cell replicate its DNA?

Synthesis phase

What must occur in order for plants to grow?

The rate of photosynthesis must be greater than the rate of respiration.

Which of the following is NOT a function of carbohydrates?

Transportation of solutes across cell membran

Which of the following best describes vascular tissue?

Transports food, water, hormones and minerals throughout the plant

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

Vascular plant

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

non living

How many primary roots are in a taproot system?

one

In alternate leaf patterns, how many leaves are produced at each node?

one

What is the first stage of mitosis?

prophase

Which of the following is NOT a term which describes the pH of soil?

active


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