ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

Which protein gives strength to skin, tendons and bone?

1. AAmylase
2. BCollagen
3. CMyosin
4. DHaemoglobin

In an enzyme reaction, what is the substrate?

1. AThe gene that codes for the enzyme
2. BThe product released at the end
3. CThe substance that the enzyme acts on
4. DThe part of the enzyme that changes shape

What does DNA replication produce?

1. AOne mRNA molecule
2. BFour different DNA molecules
3. CTwo identical DNA molecules
4. DA new protein

Researchers randomly assign patients to receive either a new wound dressing or the standard dressing and compare healing times. What type of study is this?

1. AA controlled experiment
2. BAn observational study
3. CA survey
4. DA case report

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey store most of the plant's water for dry periods
2. BThey carry sugars from the leaves down to the roots
3. CThey get the most light and do most of the photosynthesis
4. DThey protect the leaf from insects and strong winds

A seedling is 4 cm tall at week 1, 8 cm at week 2, 12 cm at week 3 and 16 cm at week 4. If the trend continues, how tall will it be at week 6?

1. A18 cm
2. B20 cm
3. C32 cm
4. D24 cm

Why are modified viruses often used to deliver genes in gene therapy?

1. AViruses produce antibodies that fix faulty genes
2. BViruses naturally insert their genetic material into host cells
3. CViruses are larger than human cells, so they can carry many genes
4. DViruses can reproduce without a host cell

เหตุใดเอนไซม์แต่ละชนิดจึงมักออกฤทธิ์ต่อสารตั้งต้นเพียงชนิดเดียว

1. Aเอนไซม์ทำงานได้เฉพาะภายในนิวเคลียส
2. Bรูปร่างของบริเวณเร่งเข้ากับสารตั้งต้นนั้นเท่านั้น
3. Cเอนไซม์แต่ละชนิดมีดีเอ็นเอของสารตั้งต้นของมัน
4. Dสารตั้งต้นถูกสร้างโดยเอนไซม์เอง