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Evolution of Land Plant Anatomy Quiz

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Questions and Answers

Which of the following is a critical characteristic of land plant anatomy?

Nutrient acquisition from air
Physical support from water
Gas exchange in water
Maintenance of cell water (correct)

What is the function of the suspensor in plant embryogenesis?

To establish axial polarity
To control and coordinate growth
To retain the vacuole (correct)
To acquire nutrients from soil

What is the primary difference between primary plant growth and secondary plant growth?

Primary growth occurs in young plant body, while secondary growth occurs in mature plants (correct)
Primary growth involves cell patterning, while secondary growth involves establishment of axial polarity
Primary growth occurs in the shoot apex, while secondary growth occurs in the root cap
Primary growth is responsible for reproductive development, while secondary growth is responsible for embryogenesis

Which of the following is NOT a critical characteristic of land plant anatomy?

The ability to acquire nutrients from water rather than soil (B) Signup and view all the answers

What is the purpose of the suspensor in plant embryogenesis?

To transfer nutrients from the maternal tissue to the embryo (D) Signup and view all the answers

What is the function of the quiescent centre in plant embryogenesis?

To maintain a population of stem cells (D) Signup and view all the answers

Which gene is associated with the Monopteros (mp) mutant in plant embryogenesis?

ARF genes (C) Signup and view all the answers

What is the purpose of the root cap in plant embryogenesis?

To protect the root tip (D) Signup and view all the answers

What is the main difference between primary plant growth and secondary plant growth?

Primary growth occurs in the apical meristem, while secondary growth occurs in the lateral meristem (D) Signup and view all the answers

What is the purpose of the hypocotyl in plant embryogenesis?

To connect the cotyledons to the root system (B) Signup and view all the answers

What is the function of the SAM (shoot apical meristem) in plant embryogenesis?

To control and coordinate growth (B) Signup and view all the answers

What is the purpose of the root apical meristem (RAM) in plant embryogenesis?

To establish axial polarity (B) Signup and view all the answers

What is the function of the cotyledons in plant embryogenesis?

To store nutrients for the developing embryo (D) Signup and view all the answers