Biology Homework Solutions

Understanding the rapid success in higher plants.

What should be regarded as the single most significant structure leading to rapid success of the so called "higher plants"?

The fundamental rules of seed treatment.

What are the fundamental rules for seed treatment?

What would be the appearance of one potted plant placed in a dark area, and another placed in a light area for 4 days?

What would be the appearances of one potted plant placed in a dark area, and another placed in a light area for 4 days?

Nitrogen and growing rates.

What is the probable result of growing plants in soil with low or high nitrogen content instead of at different light levels?

Atmospheric Change

A. How would the composition of the earth's atmosphere change if green plants and other autotrophs disappeared? Explain why in term of your knowledge of photosynthesis. B. How would animal life be affected by this atmospheric change? Explain why in terms of your knowledge of cellular respiration.

Structure of cell wall and cell memrane

Describe the structure of (1) the cell wall (2) the cell membrane in plant cells How does the structure affect the function?

Functions of water in plants

State three functions of water in plants.

Exoscopic and Endoscoscopic pattern of embryo development

Differentiate between Excoscopic and endoscopic pattern of development in embryo ?

Vascular bundles in root

What is radial vascular bundle ?

Photosynthesis

If photosystem II produces ATP, why do plants need mitochondria? How is ATP generated by the light reactions used?

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