2 minute read
Quiz
by AudioLearn
QUIZ
1. What part of the plant cell makes ATP energy through cellular respiration?
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a. Chloroplasts b. Mitochondria c. Cell membrane d. Ribosomes
Answer: b. Plant cells undergo cellular respiration in the same way as happens in animal cells. They have mitochondria that undergo cellular respiration and make ATP energy.
2. Which is the most abundant cell type in a plant?
a. Parenchymal cells b. Xylem cells c. Collenchyma cells d. Phloem cells
Answer: a. The parenchymal cells are the most abundant cell type, being the major cells to undergo photosynthesis in the leaves of the plant.
3. What is the major component of the cell wall in plant cells?
a. Lignins b. Cellulose c. Pectin d. Chitin
Answer: b. The main component of the cell wall in plant cells is cellulose, although lignins, hemicellulose, and pectin can also be components of these cell walls.
4. Which type of plant does not generally have a tap root?
a. Carrot plant b. Rutabaga plant c. Beet plant d. Pea plant
Answer: d. The main taproot in the first three plants (carrot, rutabaga, and beet) is the vegetable itself. The pea plant has a regular root and stem system without a taproot.
5. What do the ovules in the flower ultimately grow into after fertilization?
a. Carpel b. Seed c. Fruit d. Stamen
Answer: b. The ovules, which are part of the carpels will develop into the seed after fertilization. Then the carpel itself matures into the fruit of the plant, which houses the seed.
6. A plant that has a male flower and a female flower on the same plant is called what?
a. Carpellate b. Staminate c. Monoecious d. Dioecious
Answer: c. A monoecious flower is one that has a male flower (staminate) and a female flower (carpellate) on the same plant, while a dioecious plant has these male and female flowers on different plants.
7. In a seed, what are the cotyledons?
a. The structures that nourish the seedling. b. The protection of the seedling. c. The part of the seed that forms the root. d. The structure of the seed that forms the stem.
Answer: a. The cotyledons (of which there are one or two) are the structures that nourish the seedling as it grows and develops. Dicots form two cotyledons, while monocots have just one cotyledon.
8. What is the fluid within the root cell called in a plant?
a. Apoplast b. Plasmodesmata c. Symplast d. Epidermis
Answer: c. The symplast is the cytoplasm or interior of the cells inside the root cells, through which some of the water gets absorbed and sent from cell to cell via the plasmodesmata that connect the root cells to one another.
9. Which factor does not increase the rate of transpiration in a plant?
a. Wind will increase transpiration b. High soil water will increase transpiration c. High humidity will increase transpiration d. Light will increase transpiration
Answer: c. In fact, conditions of low humidity will increase transpiration as it increases the evaporative process.
10. Which are the cells in the leaf that are responsible for opening and closing the stomata in the leaves?
a. Guard cells b. Epidermal cells c. Palisade cells d. Endodermal cells
Answer: a. The guard cells will increase in osmotic pressure and will become more turgid when light strikes them, opening the stomata in the light hours.
