ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

Which pigment absorbs light energy for photosynthesis?

1. AHaemoglobin
2. BKeratin
3. CChlorophyll
4. DMelanin

What is a heterotroph?

1. AAn organism that gets its food from other organisms
2. BAn organism that lives only in water
3. CAn organism that makes its own food by photosynthesis
4. DAn organism with no cells

What is peer review?

1. ARepeating your own experiment many times
2. BAsking patients for their opinion of a treatment
3. CReading a textbook to learn a topic
4. DExperts checking a study before it is published

เหตุใดนักวิทยาศาสตร์จึงทำการทดลองซ้ำหรือใช้ตัวอย่างจำนวนมาก

1. Aเพื่อเปลี่ยนตัวแปรต้นทุกครั้ง
2. Bเพื่อไม่ต้องมีกลุ่มควบคุม
3. Cเพื่อให้แน่ใจว่าสมมติฐานได้รับการพิสูจน์ว่าเป็นจริง
4. Dเพื่อลดอิทธิพลของโอกาสที่มีต่อผลลัพธ์

Why do plants wilt when the soil around their roots becomes very salty?

1. AThe roots take in too much water
2. BSalt makes the root cells swell and burst
3. CWater leaves the root cells by osmosis
4. DSalt blocks sunlight from reaching the leaves

In a food chain, producers hold 10 000 units of energy. Roughly how much is passed on to the primary consumers?

1. AAbout 10 000 units
2. BAbout 10 units
3. CAbout 5000 units
4. DAbout 1000 units

A karyotype shows 45 chromosomes, with a single X chromosome and no Y. Which condition is this?

1. AA typical male karyotype
2. BKlinefelter syndrome
3. CTurner syndrome
4. DDown syndrome

A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?

1. ABoth protein and starch
2. BStarch but no protein
3. CFat but no protein
4. DProtein but no starch