उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What is an organism's genome?

1. AA single gene on one chromosome
2. BThe proteins made by one cell
3. CThe traits that can be seen
4. DAll of its genetic material

अलग-अलग कोशिकाओं को देखने के लिए कौन-सा उपकरण इस्तेमाल होता है?

1. Aदूरदर्शी
2. Bसूक्ष्मदर्शी
3. Cथर्मामीटर
4. Dध्वनि का स्पेक्ट्रोमीटर

यूकैरियोटिक कोशिका का अधिकांश DNA कहाँ पाया जाता है?

1. Aलाइसोसोम में
2. Bकोशिका भित्ति में
3. Cकेंद्रक में
4. Dकोशिका झिल्ली में

What do the spindle fibres do during cell division?

1. AThey make the new nuclear envelope
2. BThey digest the old cell membrane
3. CThey copy the DNA of each chromosome before the cell divides
4. DThey attach to chromosomes and move them to the poles

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is controlled only by the environment
2. BIt is an X-linked recessive trait
3. CIt is controlled by many genes and also affected by environment
4. DIt is controlled by one gene with two alleles and full dominance

Why is water good at dissolving salts and sugars?

1. AIts molecules are polar
2. BIt contains carbon atoms
3. CIts molecules are nonpolar
4. DIt has a very low boiling point

एक जंतु की कोशिका में 20 गुणसूत्र हैं। सामान्य अर्धसूत्री विभाजन के बाद उसके प्रत्येक युग्मक में कितने गुणसूत्र होते हैं?

1. A10
2. B40
3. C20
4. D5

Why does cooking oil not mix with water?

1. AOil molecules are nonpolar and cannot form hydrogen bonds with water
2. BWater molecules are nonpolar and avoid each other
3. COil molecules are polar and repel the charged ends of water molecules
4. DOil is denser than water and sinks