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

Which of these hormones is a steroid?

1. AGrowth hormone
2. BGlucagon
3. CTestosterone
4. DInsulin

What is the cytoplasm?

1. AThe space between two neighbouring cells
2. BThe jelly-like contents between the membrane and nucleus
3. CThe fluid found only inside the nucleus
4. DThe stiff outer layer of cellulose that surrounds a plant cell

What is a monosaccharide?

1. AA single sugar unit, such as glucose
2. BTwo sugars joined together, such as sucrose
3. CA chain of many amino acids
4. DA fat made of glycerol and fatty acids

Why is DNA replication called semiconservative?

1. AOnly half of the DNA is copied each time
2. BThe old DNA molecule is kept whole, and a completely new one is made
3. CEach new strand is a random mix of old and new pieces
4. DEach new DNA molecule has one old strand and one new strand

Which statement about identical and non-identical twins is correct?

1. ABoth kinds of twin always share all of their genes
2. BIdentical twins come from one zygote; non-identical twins come from two
3. CNon-identical twins come from one zygote that splits in two
4. DIdentical twins come from two eggs that are fertilised by a single sperm

"Lưỡng bội" có nghĩa là gì?

1. ATế bào có một bộ nhiễm sắc thể
2. BTế bào có hai bộ nhiễm sắc thể
3. CTế bào chỉ có thể phân chia một lần
4. DTế bào không có nhân

Mature human red blood cells have no nucleus and no mitochondria. What follows from this?

1. AThey live longer than almost all other body cells
2. BThey keep making new haemoglobin throughout their life
3. CThey cannot divide and make their ATP by glycolysis only
4. DThey make ATP by aerobic respiration using the oxygen they carry

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

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