Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is homeostasis?

1. AKeeping a stable internal environment
2. BMaking identical copies of a cell
3. CBreaking down food for energy
4. DChanging a species over many generations

What is a eukaryote?

1. AAn organism whose cells have a nucleus
2. BAn organism that lives only in extreme heat
3. CAn organism made of a single cell without a nucleus
4. DA virus that infects animal cells

Hücre kuramına göre yeni hücreler nereden gelir?

1. AÖnceden var olan hücrelerden
2. BVücuttaki cansız maddeden
3. CVücuda giren virüslerden
4. DBesinlerdeki minerallerden

How are photosynthesis and aerobic respiration related?

1. ABoth happen only in animal cells, never in plant cells
2. BBoth release oxygen into the air
3. CThe products of one are the reactants of the other
4. DBoth take place only in chloroplasts

Why do many plants close their stomata on hot, dry days?

1. ATo take in more carbon dioxide
2. BTo reduce water loss
3. CTo speed up photosynthesis
4. DTo release more oxygen

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves 3 Na⁺ out and 2 K⁺ in, using ATP
2. BMoves 2 Na⁺ out and 3 K⁺ in, using ATP
3. CMoves 3 K⁺ out and 2 Na⁺ in, using ATP
4. DMoves Na⁺ in and K⁺ out, without using ATP

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. AThe bones are needed for swimming
2. BThey were caused by a recent mutation
3. CThey will grow legs in the future
4. DTheir ancestors had legs

A survey finds that students who sleep more get higher test scores. Which study would best test whether more sleep causes better scores?

1. ASurvey a much larger group of students about their sleep habits
2. BCompare the test scores of students at two different schools
3. CAsk the students with the highest scores how they study
4. DRandomly assign students to different sleep times and compare their scores