ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

โมเลกุลดีเอ็นเอมีรูปร่างอย่างไร

1. Aวงแหวนแบน
2. Bสายเดี่ยวตรง
3. Cเกลียวคู่
4. Dเกลียวสาม

What is the single most important way to prevent the spread of infection in hospitals?

1. AHand hygiene
2. BWearing a hair net
3. COpening the windows
4. DGiving every patient antibiotics

What is endocytosis?

1. ASplitting the cytoplasm after the nucleus divides
2. BMoving water across the membrane by osmosis
3. CTaking material into the cell by folding the membrane around it
4. DReleasing material from the cell by fusing vesicles with the membrane

Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?

1. AIn the cytoplasm
2. BOn the rough endoplasmic reticulum
3. CIn the mitochondrial matrix
4. DIn the nucleus

A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?

1. AMitosis
2. BFertilisation
3. CMeiosis
4. DBinary fission

การแปลรหัส (translation) เกิดขึ้นที่ใด

1. Aในผนังเซลล์
2. Bที่ไรโบโซม
3. Cภายในนิวเคลียส
4. Dในไลโซโซม

A man has Klinefelter syndrome (XXY). Which error most likely produced it?

1. AA frameshift mutation in one of the genes on the father's Y chromosome
2. BCrossing over between chromosome 21 and the X chromosome
3. CNondisjunction of the sex chromosomes during meiosis in a parent
4. DExtra mitosis in the zygote after fertilisation

A plant is kept in the dark to use up its starch. One leaf is then sealed in a bag with a chemical that absorbs CO₂, and the plant is placed in light. Later, that leaf has no starch, but the other leaves do. What does this show?

1. ALight is needed for photosynthesis
2. BCarbon dioxide is needed for photosynthesis
3. COxygen is needed for photosynthesis
4. DChlorophyll is needed for photosynthesis