Ques: Q: A d. melanogaster population has an average heterozygosity of what? Read this paragraph and choose the correct option from the provided answers: Choices: - 19 % - 21 % - 22 % - 14% A:
Ans: 14%

Ques: Q: What prevents soil erosion on a hillside that is being farmed? Read this paragraph and choose the correct option from the provided answers: Although the hillside is interesting, that's not why this was done. Terracing prevents soil erosion on a hillside that is being farmed. Many techniques can be utilized to reduce soil erosion. Choices: - slash-and-burn - irrigation - no-till farming - terracing A:
Ans: terracing

Ques: Q: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? Read this paragraph and choose the correct option from the provided answers: Earth itself acts like a gigantic gyroscope. Its angular momentum is along its axis and points at Polaris, the North Star. But Earth is slowly precessing (once in about 26,000 years) due to the torque of the Sun and the Moon on its nonspherical shape. Choices: - compass - telescope - accelerator - gyroscope A:
Ans: gyroscope

Ques: Q: Alpha, beta, and gamma emissions are associated with what kind of energy? Read this paragraph and choose the correct option from the provided answers: Alpha, beta, and gamma emissions have different abilities to penetrate matter. The relatively large alpha particle is easily stopped by matter (although it may impart a significant amount of energy to the matter it contacts). Beta particles penetrate slightly into matter, perhaps a few centimeters at most. Gamma rays can penetrate deeply into matter and can impart a large amount of energy into the surrounding. Choices: - kinetic - electrical - potential - radiation A:
Ans:
radiation