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Questions and Answers
What is the main function of a flower in angiosperms?
What is the main function of a flower in angiosperms?
- Providing support for the stem
- Storing water for the plant
- Attracting insects for pollination (correct)
- Reproduction through the production of seeds
Where do the seeds of gymnosperms come from?
Where do the seeds of gymnosperms come from?
- Spores
- Cones (correct)
- Flowers
- Fruit
What is the primary role of companion cells in phloem tissue?
What is the primary role of companion cells in phloem tissue?
- They produce oxygen for the plant
- They assist in the transport of sugars and organic compounds (correct)
- They help in the transport of water
- They provide structural support to the plant
Which generation is dominant in bryophytes?
Which generation is dominant in bryophytes?
What is a characteristic of bryophytes?
What is a characteristic of bryophytes?
Which subcategory of bryophytes is known for its flattened, ribbon-like appearance?
Which subcategory of bryophytes is known for its flattened, ribbon-like appearance?
Where does double fertilization occur?
Where does double fertilization occur?
What is the main difference between C3 and C4 photosynthesis?
What is the main difference between C3 and C4 photosynthesis?
What is the primary method of nutrient absorption in bryophytes?
What is the primary method of nutrient absorption in bryophytes?
In which of the following is sporophytes and gametophytes capable of performing photosynthesis?
In which of the following is sporophytes and gametophytes capable of performing photosynthesis?
What are the functions of periderm in plants?
What are the functions of periderm in plants?
Which of the following is related to barochory?
Which of the following is related to barochory?
Which type of plants have the highest water efficiency?
Which type of plants have the highest water efficiency?
In which organisms does respiration not occur?
In which organisms does respiration not occur?
Ferns have a dominant ________________ generation.
Ferns have a dominant ________________ generation.
Which of the following are vascular bundles?
Which of the following are vascular bundles?
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Study Notes
Plant Biology
- The main function of a flower in angiosperms is to produce seeds.
Gymnosperms
- Seeds of gymnosperms come from ovules in cones.
Phloem Tissue
- Companion cells in phloem tissue have a primary role in supporting sieve cells.
Bryophytes
- The dominant generation in bryophytes is the gametophyte.
- A characteristic of bryophytes is that they are non-vascular plants.
- Marchantiophyta, a subcategory of bryophytes, is known for its flattened, ribbon-like appearance.
Plant Reproduction
- Double fertilization occurs in angiosperms.
Photosynthesis
- The main difference between C3 and C4 photosynthesis is the way they fix CO2.
Nutrient Absorption
- The primary method of nutrient absorption in bryophytes is through their leaves.
Sporophytes and Gametophytes
- In bryophytes and ferns, sporophytes and gametophytes are capable of performing photosynthesis.
Plant Anatomy
- The primary function of periderm in plants is to protect them from damage and water loss.
Seed Dispersal
- Barochory is related to seed dispersal through gravity.
Water Efficiency
- CAM (Crassulacean Acid Metabolism) plants have the highest water efficiency.
Respiration
- Respiration does not occur in viruses.
Ferns
- Ferns have a dominant sporophyte generation.
Vascular Bundles
- Xylem and phloem tissues together form vascular bundles.
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