उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

Which element is found in all organic molecules?

1. ANitrogen
2. BSulfur
3. CCarbon
4. DPhosphorus

विसरण (डिफ़्यूज़न) क्या है?

1. Aकणों का अधिक सांद्रता से कम सांद्रता की ओर गमन
2. Bकणों का कम सांद्रता से अधिक सांद्रता की ओर गमन
3. Cकोशिका द्वारा बड़े कणों को पुटिका में निगल लेना
4. DATP के उपयोग से झिल्ली के पार पानी का गमन

What is a genetically modified organism (GMO)?

1. AAn organism whose DNA has been changed by genetic engineering
2. BAn organism produced by normal sexual reproduction between two parents
3. CAn organism that has caught a virus
4. DAn organism that has been grown in a greenhouse

Why does ice float on liquid water?

1. AIce contains more air than liquid water
2. BIce molecules are lighter than liquid water molecules
3. CIce is denser than liquid water
4. DHydrogen bonds hold ice in an open, less dense structure

वायवीय कोशिकीय श्वसन के उत्पाद क्या हैं?

1. Aकार्बन डाइऑक्साइड, पानी और ATP
2. Bलैक्टिक अम्ल और ऑक्सीजन
3. Cस्टार्च और पानी
4. Dग्लूकोज़ और ऑक्सीजन

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor stem cells produce new, healthy blood cells
2. BThe donor marrow contains antibiotics that kill cancer
3. CThe donor red cells divide to make more red cells
4. DThe transplant replaces the patient's bones

A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?

1. A2
2. B3
3. C4
4. D6

Two parents are both AaBbCc, and the three genes assort independently. What is the probability that a child is aabbcc?

1. A3/64
2. B1/8
3. C1/16
4. D1/64