ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What is a haploid cell?

1. AA cell with an extra chromosome
2. BA cell with one set of chromosomes
3. CA cell with two sets of chromosomes
4. DA cell with no nucleus

What is a mutagen?

1. AA protein that repairs damaged DNA
2. BAn enzyme that copies DNA
3. CA cell that divides without control
4. DSomething that can cause changes in DNA

What is a monosaccharide?

1. AA fat made of glycerol and fatty acids
2. BTwo sugars joined together, such as sucrose
3. CA chain of many amino acids
4. DA single sugar unit, such as glucose

What does Mendel's law of segregation state?

1. AGenes on different chromosomes are always inherited together
2. BDominant alleles are more common in a population than recessive ones
3. CEach gamete receives both alleles of every gene
4. DThe two alleles of a gene separate so each gamete gets only one

Which statement about Archaea is correct?

1. AThey are eukaryotes that have a nucleus and membrane-bound organelles
2. BThey are prokaryotes, and many live in extreme environments
3. CThey are multicellular plants
4. DThey are a type of virus

What is the difference between an antiseptic and a disinfectant?

1. AAntiseptics are used on objects and floors; disinfectants are used on skin
2. BAntiseptics kill all spores; disinfectants kill none
3. CAntiseptics are used on living tissue; disinfectants are used on objects
4. DAntiseptics are antibiotics; disinfectants are vaccines

In Tay-Sachs disease, a lysosomal enzyme does not work. What happens inside the affected nerve cells?

1. AThe cells can no longer make ATP in their mitochondria
2. BThe DNA cannot be copied before division
3. CThe ribosomes stop making proteins
4. DThe undigested substance builds up inside lysosomes

ระหว่างไมโอซิส โครโมโซมคู่หนึ่งไม่แยกจากกัน อาจเกิดผลอะไรขึ้น

1. Aเซลล์สืบพันธุ์ที่ไม่มีดีเอ็นเอเลย
2. Bเซลล์สืบพันธุ์ที่มีโครโมโซมเกินหรือขาดไปหนึ่งแท่ง
3. Cเซลล์สืบพันธุ์ที่เหมือนเซลล์ต้นกำเนิดทางพันธุกรรมทุกประการ
4. Dเซลล์สืบพันธุ์ที่มียีนบนโครโมโซมแต่ละแท่งมากเป็นสองเท่าพอดี