उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

Which of these is qualitative data?

1. AThe pulse rate is 72 beats per minute
2. BThe patient weighs 68 kg
3. CThe urine sample is dark yellow
4. DThe wound is 3 cm long

Which sugar is found in DNA?

1. AGlucose
2. BDeoxyribose
3. CRibose
4. DFructose

प्रकाश संश्लेषण द्वारा कौन-से पदार्थ बनते हैं?

1. Aकार्बन डाइऑक्साइड और पानी
2. Bग्लूकोज़ और ऑक्सीजन
3. Cलैक्टिक अम्ल और ATP
4. Dप्रोटीन और नाइट्रोजन

A thermometer gives readings of 36.1, 36.1 and 36.2 °C for a water bath that is really at 37.0 °C. How are these readings best described?

1. APrecise but not accurate
2. BBoth accurate and precise
3. CNeither accurate nor precise
4. DAccurate but not precise

Why is DNA replication called semiconservative?

1. AThe old DNA molecule is kept whole, and a completely new one is made
2. BEach new DNA molecule has one old strand and one new strand
3. CEach new strand is a random mix of old and new pieces
4. DOnly half of the DNA is copied each time

What is the job of the checkpoints in the cell cycle?

1. ATo stop the cycle if the DNA is damaged or the cell is not ready
2. BTo speed up division whenever the cell is short of nutrients or space
3. CTo join the two daughter cells back together
4. DTo copy the DNA a second time before mitosis

How does a phospholipid differ from a triglyceride?

1. AIt is made of amino acids
2. BIt has four fatty acids instead of three
3. CIt contains no glycerol, only fatty acids and phosphate
4. DOne of the fatty acids is replaced by a phosphate group

A bag made of membrane that lets only water through contains a 10% sugar solution. It is placed in a beaker of 5% sugar solution. What happens?

1. AWater moves into the bag, and the bag gains mass
2. BNothing changes, because sugar cannot cross
3. CSugar moves out of the bag until both are 7.5%
4. DWater moves out of the bag, and the bag loses mass