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

What is a zygote?

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

What is the active site of an enzyme?

1. AThe part of the cell where the enzyme is made
2. BThe gene that codes for the enzyme
3. CThe product formed by the reaction
4. DThe region where the substrate binds

Which piece of equipment gives the most precise measurement of a liquid volume?

1. AA Petri dish
2. BA test tube
3. CA graduated cylinder
4. DA beaker

Hai bố mẹ dị hợp tử (Aa × Aa) được lai với nhau. Tỉ lệ kiểu gene dự kiến là bao nhiêu?

1. A2 AA : 1 Aa : 1 aa
2. B1 AA : 1 aa
3. C1 AA : 2 Aa : 1 aa
4. D3 AA : 1 aa

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 two eggs that are fertilised by a single sperm
3. CIdentical twins come from one zygote; non-identical twins come from two
4. DNon-identical twins come from one zygote that splits in two

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AFat, then glycogen, then ATP
2. BGlycogen, then ATP, then fat
3. CATP, then glycogen, then fat
4. DATP, then fat, then glycogen

Trong giảm phân, một cặp nhiễm sắc thể không phân li. Điều gì có thể xảy ra?

1. AGiao tử giống hệt tế bào mẹ về di truyền
2. BGiao tử thừa hoặc thiếu một nhiễm sắc thể
3. CGiao tử có số gene trên mỗi nhiễm sắc thể gấp đôi chính xác
4. DGiao tử không thể chứa bất kỳ DNA nào

A dihybrid cross gives offspring in a ratio of about 9 : 3 : 3 : 1. What does this suggest?

1. AOne parent is AaBb and the other is homozygous aabb
2. BBoth parents are homozygous dominant for both genes
3. CBoth parents are heterozygous for two genes that assort independently
4. DThe two genes are tightly linked on the same chromosome