Which of the following statements describes the function of a chloroplast?
a. It stores water.
b. It aids in intracellular digestion.
c. It converts light energy into chemical energy.
d. It manufactures proteins.
e. It converts chemical energy into heat energy.
Ans: c. It converts light energy into chemical energy.
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In plants and animals, the zygote develops by which of the following processes?
A. mitosis B. meiosis C. syngamy D. synapsis E. reduction division
The evidence for industrial melanism being caused by an increase in the dark allele was provided from field tests carried out by
A. Kettlewell. B. Lamarck. C. Darwin. D. Tutt. E. Wallace.
What is the goal of evolutionary classification?
a) to identify the degree of physical similarities among related organisms b) to classify organisms according to phylogeny rather than physical similarities only c) to determine environmental changes that initiated adaptive responses d) to analyze different physical structures that are used in similar ways
In the plant alternation of generations life cycle, the two multicellular stages are the ________.
a) gametophyte and gamete b) gametophyte and sporophyte c) spore and gamete d) sporophyte and spore