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

What is phagocytosis?

1. AA cell releasing hormones by exocytosis
2. BA cell dividing into two identical daughter cells
3. CA cell taking in small droplets of fluid
4. DA cell engulfing large particles such as bacteria

What does xylem carry in a plant?

1. AOxygen from the leaves to the roots
2. BSeeds from the flowers to the soil
3. CSugars from the leaves to the roots
4. DWater and minerals from the roots upward

What is a scientific law?

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

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves Na⁺ in and K⁺ out, without using ATP
2. BMoves 3 Na⁺ out and 2 K⁺ in, using ATP
3. CMoves 2 Na⁺ out and 3 K⁺ in, using ATP
4. DMoves 3 K⁺ out and 2 Na⁺ in, using ATP

What is an inversion mutation?

1. AA segment of a chromosome moves to a different, non-matching chromosome
2. BA whole extra chromosome is added to the cell
3. CA chromosome segment breaks off and is reattached the wrong way round
4. DA segment of a chromosome is lost completely

Một hồng cầu được đặt vào nước tinh khiết. Điều gì có nhiều khả năng xảy ra nhất?

1. ANó giữ nguyên kích thước
2. BNó phân chia thành hai tế bào
3. CNó co lại và nhăn nheo
4. DNó trương lên và có thể vỡ

Hai cây đậu Hà Lan đều có kiểu gene AaBb được lai với nhau. Các gene nằm trên các nhiễm sắc thể khác nhau. Dự kiến bao nhiêu phần của đời con biểu hiện cả hai tính trạng lặn (aabb)?

1. A1/16
2. B1/4
3. C9/16
4. D3/16

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. ATheir ancestors had legs
2. BThe bones are needed for swimming
3. CThey will grow legs in the future
4. DThey were caused by a recent mutation