Phiếu bài tập Sinh học cho kỳ thi đầu vào điều dưỡng có đáp án

What is the pH of pure water at 25 °C?

1. A1
2. B7
3. C0
4. D14

What is a zygote?

1. AThe diploid cell formed when a sperm fertilises an egg
2. BA haploid cell made by meiosis
3. CA body cell that has just completed its first round of mitosis
4. DAn unfertilised egg cell

Base nào có trong RNA nhưng không có trong DNA?

1. AThymine
2. BUracil
3. CAdenine
4. DGuanine

Trình tự nào bổ sung với mạch DNA A-T-G-C-C-A?

1. AT-A-C-G-G-T
2. BG-C-A-T-T-G
3. CU-A-C-G-G-U
4. DA-T-G-C-C-A

Which element is found in all amino acids but not in carbohydrates?

1. ACarbon
2. BHydrogen
3. CNitrogen
4. DOxygen

What are introns?

1. AShort pieces of DNA made on the lagging strand
2. BCoding sections joined together to form the mature mRNA
3. CCodons that tell the ribosome to stop translation
4. DNon-coding sections removed from pre-mRNA before translation

Sweating cools the body. Which property of water best explains this?

1. AIt takes a lot of heat energy to evaporate
2. BIt is less dense as ice than as a liquid
3. CIt has a very low specific heat
4. DIt is a nonpolar solvent

A leaf with green and white areas is kept in light and then tested with iodine. Only the green areas turn blue-black. What does this show?

1. AWhite areas store more starch than green areas
2. BLight is not needed for photosynthesis
3. CChlorophyll is needed for photosynthesis
4. DIodine destroys chlorophyll in the leaf