Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which gas do plants take in from the air for photosynthesis?

1. ANitrogen
2. BCarbon dioxide
3. CHydrogen
4. DOxygen

What is the active site of an enzyme?

1. AThe part of the cell where the enzyme is made
2. BThe gene that codes for the enzyme
3. CThe region where the substrate binds
4. DThe product formed by the reaction

What is a tissue?

1. AA single cell that has one special job in the body
2. BA structure inside a cell
3. CA group of similar cells that work together
4. DSeveral organs that work together

Bir öğrenci ışık miktarının fasulye bitkilerinin büyümesini nasıl etkilediğini sınıyor. Hangisi kontrol edilen değişken olmalıdır?

1. AHer bitkinin aldığı ışık miktarı
2. BBitkilerin sonundaki boyu
3. CHer bitkinin aldığı su miktarı
4. DDeneyin sonucu

Which kind of mutation can be passed on to a person's children?

1. AA mutation in a cell that forms eggs or sperm
2. BA mutation in a liver cell caused by alcohol
3. CA mutation in a skin cell caused by sunlight
4. DA mutation in a white blood cell during infection

Why are G–C base pairs held together more strongly than A–T pairs?

1. AG and C are both purines, so they fit more tightly
2. BG–C pairs form three hydrogen bonds, and A–T pairs form two
3. CG–C pairs are joined by strong covalent bonds instead of hydrogen bonds
4. DA–T pairs are found only in RNA

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AAll three are equally effective against these bacteria
2. BY is most effective, and the bacteria are resistant to Z
3. CX is most effective, and the bacteria are resistant to Y
4. DZ is most effective, because no bacteria grew under the disc

A single-celled microbe has a nucleus and a cell wall made of chitin, and it reproduces by budding. What is it most likely to be?

1. AA virus
2. BA yeast
3. CAn amoeba
4. DA bacterium