user1413: Here on biology.SE my impression is that people do not upvote good questions as readily as on other SE sites.
• Is this just a habit? Do we need to encourage upvoting good questions? Is the exisiting "Suffrage" badge enough for this?
• Are questions of poor quality here?
• Or do you think this is OK?

user1413: I answer Rory M's comment here, I made a little research.
Today page 160* of the questions ordered by the decreasing number of votes consisted of the following. I judged them as I indicated below according to the criteria that pop up when the mouse pointer is over the upvote button.

Eye Brain Mapping -- Shows research effort? Unsure. Interesting for biology.SE? Yes. Clear? Reasonably. -- I upvoted it.
Is it possible to selectively breed carnivorous animals, like tigers, to be herbivores? -- Shows research effort? Unsure. Interesting for biology.SE? Yes. Clear? Acceptably. -- I upvoted it.
Multiple Systems Atrophy - clinical trials [closed]
Information Gene HBA2 -- Shows research effort? Yes. Interesting for biology.SE? Maybe. Clear? Acceptably. -- I did not upvote it.
Why do antacids have a special importance when taking lactulose? -- I skipped this because this is my own question.
Understanding SIR models in epidemiology -- Shows research effort? Yes. Interesting for biology.SE? Maybe. Clear? No. -- I did not upvote it.
Polymorphism in cnidarians? -- Shows research effort? Some. Interesting for biology.SE? Yes. Clear? Reasonably. -- I upvoted it.
Structure of adenoids -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Yes. -- I did not upvote it because the phrasing is excessively long. However after re-phrasing the question by the author or someone else to a concise form I would probably upvote it. 
Avian Diseases : How to Disinfect -- Shows research effort? Some. Interesting for biology.SE? Yes. Clear? Yes, after the comment from the author. -- I upvoted it.
Do chloroplasts contain circular DNA? If so, why? [duplicate]
Do women feel pain the same exact way as men do? -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Yes, after the edit. -- I upvoted it.
What is this genital infection? -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Yes. -- However, I did not upvote it as only the answer will be able to decide if this is a question of public interest or not. 
Ligase Chain Reaction: Determining the annealing temperature for gene synthesis -- I skipped this because I know too little about this topic.
Skeletal muscles in clam -- Shows research effort? Maybe. Interesting for biology.SE? Yes. Clear? Yes. -- I upvoted it, because I would be interested in the answer. In the same time I exclude this from my summary, as this may indeed be a homework.
Are there precedents for considering that the coral reef biome has higher biodiversity than rain forests? -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Important details missing. -- I didn't upvote it.

Summary
I processed a random sample of 15 questions. I excluded 4 of them because of the following reasons: closed, duplicate, my own question; and included 11 in the analysis. I upvoted 6 questions (55%), did not upvote 5 (45%).
The research has strengthened my previous opinion that here on biology.SE good questions are often not upvoted.
​* a randomly chosen page with zero vote questions

1413: <p>Here on biology.SE my impression is that people do not upvote good questions as readily as on other SE sites.<br>
• Is this just a habit? Do we need to encourage upvoting good questions? Is the exisiting "Suffrage" badge enough for this?<br>
• Are questions of poor quality here?<br>
• Or do you think this is OK?</p>
 1413: <p>I answer Rory M's comment here, I made a little research.</p>

<p>Today page 160* of the questions ordered by the decreasing number of votes consisted of the following. I judged them as I indicated below according to the criteria that pop up when the mouse pointer is over the upvote button.</p>

<ol>
<li><a href="https://biology.stackexchange.com/questions/8875/eye-brain-mapping">Eye Brain Mapping</a> -- Shows research effort? Unsure. Interesting for biology.SE? Yes. Clear? Reasonably. -- I upvoted it.</li>
<li><a href="https://biology.stackexchange.com/questions/8869/is-it-possible-to-selectively-breed-carnivorous-animals-like-tigers-to-be-herb">Is it possible to selectively breed carnivorous animals, like tigers, to be herbivores?</a> -- Shows research effort? Unsure. Interesting for biology.SE? Yes. Clear? Acceptably. -- I upvoted it.</li>
<li><a href="https://biology.stackexchange.com/questions/8854/multiple-systems-atrophy-clinical-trials">Multiple Systems Atrophy - clinical trials [closed]</a></li>
<li><a href="https://biology.stackexchange.com/questions/8824/information-gene-hba2">Information Gene HBA2</a> -- Shows research effort? Yes. Interesting for biology.SE? Maybe. Clear? Acceptably. -- I did not upvote it.</li>
<li><a href="https://biology.stackexchange.com/questions/8807/why-do-antacids-have-a-special-importance-when-taking-lactulose">Why do antacids have a special importance when taking lactulose?</a> -- I skipped this because this is my own question.</li>
<li><a href="https://biology.stackexchange.com/questions/8781/understanding-sir-models-in-epidemiology">Understanding SIR models in epidemiology</a> -- Shows research effort? Yes. Interesting for biology.SE? Maybe. Clear? No. -- I did not upvote it.</li>
<li><a href="https://biology.stackexchange.com/questions/8745/polymorphism-in-cnidarians">Polymorphism in cnidarians?</a> -- Shows research effort? Some. Interesting for biology.SE? Yes. Clear? Reasonably. -- I upvoted it.</li>
<li><a href="https://biology.stackexchange.com/questions/8738/structure-of-adenoids">Structure of adenoids</a> -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Yes. -- I did not upvote it because the phrasing is excessively long. However after re-phrasing the question by the author or someone else to a concise form I would probably upvote it. </li>
<li><a href="https://biology.stackexchange.com/questions/8677/avian-diseases-how-to-disinfect">Avian Diseases : How to Disinfect</a> -- Shows research effort? Some. Interesting for biology.SE? Yes. Clear? Yes, after the comment from the author. -- I upvoted it.</li>
<li><a href="https://biology.stackexchange.com/questions/8602/do-chloroplasts-contain-circular-dna-if-so-why">Do chloroplasts contain circular DNA? If so, why? [duplicate]</a></li>
<li><a href="https://biology.stackexchange.com/questions/8596/do-women-feel-pain-the-same-exact-way-as-men-do">Do women feel pain the same exact way as men do?</a> -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Yes, after the edit. -- I upvoted it.</li>
<li><a href="https://biology.stackexchange.com/questions/8581/what-is-this-genital-infection">What is this genital infection?</a> -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Yes. -- However, I did not upvote it as only the answer will be able to decide if this is a question of public interest or not. </li>
<li><a href="https://biology.stackexchange.com/questions/8569/ligase-chain-reaction-determining-the-annealing-temperature-for-gene-synthesis">Ligase Chain Reaction: Determining the annealing temperature for gene synthesis</a> -- I skipped this because I know too little about this topic.</li>
<li><a href="https://biology.stackexchange.com/questions/8554/skeletal-muscles-in-clam">Skeletal muscles in clam</a> -- Shows research effort? Maybe. Interesting for biology.SE? Yes. Clear? Yes. -- I upvoted it, because I would be interested in the answer. In the same time I exclude this from my summary, as this may indeed be a homework.</li>
<li><a href="https://biology.stackexchange.com/questions/8547/are-there-precedents-for-considering-that-the-coral-reef-biome-has-higher-biodiv">Are there precedents for considering that the coral reef biome has higher biodiversity than rain forests?</a> -- Shows research effort? Yes. Interesting for biology.SE? Yes. Clear? Important details missing. -- I didn't upvote it.</li>
</ol>

<p><strong>Summary</strong></p>

<p>I processed a random sample of 15 questions. I excluded 4 of them because of the following reasons: closed, duplicate, my own question; and included 11 in the analysis. I upvoted 6 questions (55%), did not upvote 5 (45%).</p>

<p>The research has strengthened my previous opinion that here on biology.SE good questions are often not upvoted.</p>

<p>​* a randomly chosen page with zero vote questions</p>
