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8th Grade Botany
Final Exam Questions
| Question | Answer |
|---|---|
| What is the proper way to write a plant's scientific name? | We call a plant by its Genus and species name. Both names are written in italics, but only the Genus name is capitalized. |
| Why do scientists use Latin in science? | Latin is an unchanging language that allows scientists from everywhere to communicate with each other and for them to have the same common names for the things they are studying. |
| What is the chemical name for oxygen? | O2 |
| What is the chemical name for carbon dioxide? | CO2 |
| What is a biomass fuel? | A renewable fuel made from products of living organisms (Ethanol). |
| What is a Fossil Fuel? | A non-renewable fuel that is derived from plants and animals that lived long ago (Gasoline). |
| What percentage of our atmosphere is oxygen? | 21% |
| What percentage of our atmosphere is carbon dioxide? | less than 1/2 % |
| What gas is responsible for about 78% of the atmosphere? | Nitrogen |
| What are the vascular tubes of tracheophytes called, what are their specific jobs, and where in the vascular bundle are they located? | Xylem-located in the inner layer of the vascular bundle and responsible for transporting water and nutrients up from the roots to the rest of the plant. |
| What are the vascular tubes of tracheophytes called, what are their specific jobs, and where in the vascular bundle are they located? | Phloem-located on the outer layer of the vascular bundle and responsible for transporting food down from the leaves to the rest of the plant. |
| What method does a bryophyte use to obtain its water/food? | Absorption |
| What method does a tracheophyte use to obtain its water/food? | A vascular system of xylem and phloem |
| All angiosperms produce___ and have seeds encased in ___. | flowers, fruit |
| How is an angiosperm determined to be a monocotyledon or a dicotyledon if you can only examine the seed? | Mono means one: therefore if the seed only has one cotyledon it is a monocot. Di means two, so if it has two cotyledons it is a dicot. |
| What if you could only examine the leaves? | Monocots are long and slender with veins that run almost parallel to each other. |
| What if you only had the stems to examine? | the xylem/phloem within the stem would tend to be scattered randomly in a monocot stem and arranged in a ring of a dicot stem. |
| What if you could only examine the flowers? | Monocots are in multiples of 3, 6, and 9, whereas dicots usually have petals in groups of 4 or 5. |
| What is a producer? | produces its own food (plants) |
| What is a consumer? | relies on other organisms to obtain its nutrients (animals) |
| What is a decomposer? | not interested in anything alive, it thrives off of dead organisms to obtain its nutrients (fungus) |
| When a plant begins to make its own food, what type of food will it be? | sugar |
| What is pollination? | When a grain of pollen falls on the stigma. Wind, gymno and angio. Most angiosperms rely on birds, bats and insects for pollination. |
| What is fertilization? | If the pollen falls on the stigma of a similar plant, fertilization can occur. A sperm cell joins with an egg cell inside an ovule within the ovary at the base of the flower. |
| What is a fruit? | Everything that grows from a pollinated flower and contains seeds is considered a fruit. |
| What is a vegetable? | Any edible part of a plant that does not have seeds. |
| What is the purpose of the flower? | to produce seeds and scatter them around |
| What connects the stigma to the ovary? | style |
| The female reproductive cells are contained in the ___. | ovule |
| The bottom part of the pistil is called the ___. | ovary |
| We call the undeveloped plant or animal the ___. | embryo |
| After ___ the ovule develops inot a seed. | fertilization |
| The part of the pistil where pollen grains land is the ___. | stigma |
| During fertilization, the tip of the ___ enters the ovule. | pollen tube |
| The mature ovary, with its ___, is called a fruit. | seeds |
| What do we call the tiny leaves on the flower that's job is to protect a flower bud? | sepals |
| What structure produces the male plant sperm? | anther |
| The pistil is located in the ___ of a flower. | center |
| Pollen on the ___ of a flower is transferred to the ___ of another flower. This is referred to as ___. | anther, stigma, pollination |
| The pollen forms a ___ tube which grows down into the ___, and the sperm unites with the egg to form ___. This is referred to as ___. | pollen, ovary, seeds, fertilization |
| Unneeded water evaporates into the air through the __________ of the plant | Leaves |
| Where does photosynthesis take place? | In the leaves |
| What does a plant give off as a byproduct during photosynthesis | Oxygen |
| An organism that gets food by eating other organism is both a _________and a _________ | consumer/heterotroph |
| What gas is taking in through the leaves? | Carbon Dioxide |
| What is sunlight providing to the process? | Energy |
| What gas is given off as I byproduct? | Oxygen |
| During our germination project we observed that no matter which way we turn the seeds, the roots would always grow downward... this is an example of which of tropism? | Geotropism or specifically gravitropism |
Created by:
LiseBrinkley
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