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**Biology Take Home Test**



**Name:**



**Location:** Lower Harlandsville, Buchanan City



**6th Marking Period**



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**Instructions:** Choose the best answer from the given alternatives by circling the letter.



1. The tissue which has dead cells in the functional state is:

- A. Collenchyma

- B. Parenchyma

- C. Phloem



2. The arrangement of leaves on a stem branch is:

- A. Venation

- B. Vernation

- C. Inflorescence

- D. Phyllotaxy



3. The rhizome of ginger is a modification of the stem because:

- A. It bears adventitious roots

- B. It is underground

- C. It stores food material



4. Most metabolism of plants occurs in a tissue called:

- A. Phloem

- B. Meristem

- C. Parenchyma



5. Which tissue provides maximum mechanical strength to the plant?

- A. Parenchyma

- B. Xylem

- C. Sclerenchyma



6. The role of double fertilization in angiosperms is to produce:

- A. Endosperm

- B. Cotyledons

- C. Embryo



7. Male gametes in angiosperms are formed by the division of:

- A. Microspore

- B. Megaspore



8. A fruit is:

- A. A product of the flower

- B. A product of the ovary

- C. Post-fertilization product of the pistil

- D. Contains seeds



9. Seed dispersal is important because it:

- A. Avoids competition

- B. Produces mixed populations

- C. All of the above



10. Which is a gaseous plant hormone?

- A. IBA

- B. Ethylene

- C. Abscisic Acid

- D. NAA



11. Which of these is not a function of auxin?

- A. Inducing callus formation

- B. Inducing dormancy

- C. Cell division

- D. Maintaining apical dominance



12. Plants lose water mainly by the process of:

- A. Guttation

- B. Exudation

- C. Transpiration

- D. Evaporation



13. Water entering roots through diffusion is:

- A. Endosmosis

- B. Osmosis

- C. Passive absorption

- D. Active absorption



14. An auxanometer is used to demonstrate:

- A. Growth

- B. Movement

- C. Auxin concentration

- D. Respiration



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Please complete all questions to the best of your ability.

Answer :

Final answer:

This answer covers key aspects of plant biology, focusing on various plant tissues, their functions, and processes such as fertilization and growth. Each response directly addresses the original questions regarding plant anatomy and physiology. Understanding these concepts is vital for grasping fundamental biological processes in plants.


Explanation:

Understanding Plant Tissues and Functions

Plant biology encompasses various tissues and their functions. Below are explanations for the questions presented:

  1. Parenchyma: The tissue which has dead cells in the functional state is A. collenchyma. Collenchyma is characterized by living cells that provide flexible support.
  2. Phyllotaxy: Arrangement of leaves on a stem is known as D. phyllotaxy. This term describes how leaves are organized along the stem, contributing to optimal light capture.
  3. Rhizome Function: The rhizome of ginger is a modification of stem because A. it bears adventitious roots. This adaptation allows it to store energy and outcompete nearby plants.
  4. Photosynthesis & Metabolism: Most metabolism of plants occurs in a tissue called C. parenchyma, where photosynthesis and storage happen.
  5. Mechanical Strength: The tissue that provides maximum mechanical strength to the plant is B. xylem, which supports the plant and conducts water.
  6. Double Fertilization: The role of double fertilization in angiosperms is to produce A. endosperm, which nourishes the developing seed.
  7. Male Gametes: Male gametes in angiosperms are formed by the division of A. microspore.
  8. Fruit Definition: A fruit is C. post-fertilization product of pistil, responsible for seed dispersal.
  9. Seed Dispersal: Seed dispersal is important because it A. avoids competition, allowing offspring to grow in different areas and thrive.
  10. Gaseous Plant Hormones: The gaseous plant hormone is B. ethylene, which plays roles in ripening and growth.
  11. Auxin Functions: Functions of auxin include A. inducing callus formation and D. maintaining apical dominance, but it does not induce dormancy.
  12. Water Loss: Plants lose water mainly by C. transpiration, which is crucial for nutrient transport.
  13. Water Absorption: Water entering roots through diffusion is known as B. osmosis, a passive process essential for plant health.
  14. Auxanometer Use: An auxanometer is used to demonstrate A. growth in plants, measuring their growth rates.

Learn more about Plant Biology here:

https://brainly.com/question/39339198


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