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

Hầu hết các enzyme thuộc nhóm phân tử sinh học nào?

1. AProtein
2. BLipid
3. CKhoáng chất
4. DCarbohydrate

What is a scientific law?

1. AAn explanation that has been proven wrong
2. BA guess about the cause of something that has not yet been tested
3. CA statement of what always happens under certain conditions
4. DA rule that scientists vote to accept

Mục đích của nhóm đối chứng là gì?

1. ANhận liều xử lý lớn nhất có thể đang được thử nghiệm
2. BLàm cho thí nghiệm kết thúc sớm hơn
3. CThay thế nhu cầu có giả thuyết
4. DCung cấp mốc cơ sở để so sánh với nhóm được xử lý

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

1. A3 AA : 1 aa
2. B2 AA : 1 Aa : 1 aa
3. C1 AA : 2 Aa : 1 aa
4. D1 AA : 1 aa

Identical twins raised in different homes have different body weights. What does this show?

1. AThe twins must have different genotypes for body weight genes
2. BMutations happened in every cell of one twin
3. CBody weight is controlled by a single gene
4. DThe phenotype depends on environment as well as genotype

What is a prion?

1. AA very small virus with a DNA genome
2. BA misfolded protein that causes normal proteins to misfold
3. CA bacterium without a cell wall that lives inside nerve cells
4. DA fungal spore that infects the brain

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. A1 red : 2 pink : 1 white
2. B1 red : 1 white
3. CAll pink, like the parents
4. D3 red : 1 white

A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?

1. AThe patient's A antigens dissolve the donor's haemoglobin
2. BAnti-A antibodies on the donor cells attack the patient's plasma
3. CThe donor's B antigens destroy the patient's white blood cells
4. DAnti-B antibodies in the patient's plasma attack the donor cells