FREE BIOLOGY AND STUDY GAMES ABOUT BIOLOGY

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FREE BIOLOGY AND STUDY GAMES ABOUT BIOLOGY

STUDY GUIDE EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -42 Questions and Answers -format set of multiple-choice -Expert- Explanation Question 1: 18. What is the dominant generation in the moss life cycle? Is it haploid or diploid?

Answer:

Gametophyte. Haploid.Question 2: 25. A plant produces seed cones and pollen cones. Is it vascular? To what phylum (of the ones that we discussed) does it belong?

Answer:

Yes. Coniferophyta.

Question 3: 1k. Leaf margin

Answer:

The characteristics of the leaf edge.Question 4: 12. Name the four regions of a root. Which region contains undifferentiated cells?

Answer:

The root cap, the meristematic region, the elongation region, and the maturation region. The meristematic region.

Question 5: 8. Why is the bottom of a leaf typically a lighter shade of green than the top of the leaf?

Answer:

Because on the underside, the chlorophyll-containing cells are not packed as tightly as on the top.Question 6: 17. What kind of vascular tissue makes up most of the wood in a woody stem?What kind of vascular tissue is found in the inner bark of a woody stem?

Answer:

Xylem. Phloem.

Question 7: 1a. Botany

Answer:

The study of plants.Question 8: 23. What is the fundamental difference between monocots and dicots?

Answer:

Monocots have parallel venation and dicots have netted venation.Question 9: 13. State which of the stem cross sections on page 462 came from a monocot and which came from a dicot.

Answer:

• Dicot.
• Monocot.

Question 10: 1o. Dominant generation

Answer:

In alternation of generations, the generation that occupies the largest portion of the life cycle.

Question 11: 24. Name another difference between monocots and dicots.

Answer:

The structure of seed that is produced.

Question 12: 1e. Vegetative organs

Answer:

The parts of a plant (such as the stems, roots, and leaves) that are not involved in reproduction.

Question 13: 1g. Undifferentiated cells

Answer:

Cells that have not specialized in any particular function.

Question 14: 1c. Annual plants

Answer:

Plants that live for only one year.

Question 15: 1j. Leaf mosaic

Answer:

The arrangement of leaves on the stem of a plant.

Question 16: 1l. Deciduous plant

Answer:

A plant that loses its leaves for winter.

Question 17: 1f. Reproductive plant organs

Answer:

The parts of a plant (such as flowers, fruits, and seeds) involved in reproduction.Question 18: 2. If a portion of a plant is producing new cells, what type of plant tissue will be in that region?

Answer:

Meristematic tissue.

Question 19: 1q. Cotyledon

Answer:

A "seed leaf" which develops as a part of the seed. It provides nutrients to the developing seedling and eventually becomes the first leaf of the plant.Question 20: 7. What controls the opening and closing of the stomata on a leaf?

Answer:

Guard cells.

Question 21: 1d. Biennial plants

Answer:

Plants that live for two years.Question 22: 19. A fern has antheridia and archegonia. Which part of the fern life cycle is it in?Is this the dominant generation?

Answer:

Gametophyte generation. No.

Question 23: 4. Identify the leaf mosaics in pictures a, b, and c.

Answer:

• Whorled
• Alternate
• Opposite

Question 24: 1m. Girdling

Answer:

The process of cutting away a ring of inner and outer bark all the way around a tree trunk.

Question 25: 11. Where is the abscission layer?

Answer:

At the base of each petiole.Question 26: 22. What are the male and female reproductive organs in a tree from phylum Coniferophyta?

Answer:

Female is seed cone and male is pollen cone.Question 27: 3. What do we call the structure that attaches the blade of the leaf to the stem?

Answer:

Petiole.

Question 28: 1n. Alternation of generations

Answer:

A life cycle in which there is both a multicellular diploid form and a multicellular haploid form.