उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

Which protein gives strength to skin, tendons and bone?

1. AHaemoglobin
2. BCollagen
3. CMyosin
4. DAmylase

इनमें से कौन-सा लिपिड है?

1. Aग्लाइकोजन, ग्लूकोज़ का भंडारण रूप
2. Bट्राइग्लिसराइड (वसा)
3. Cहीमोग्लोबिन
4. DDNA

What is a mutagen?

1. AA cell that divides without control
2. BAn enzyme that copies DNA
3. CA protein that repairs damaged DNA
4. DSomething that can cause changes in DNA

A seedling is 4 cm tall at week 1, 8 cm at week 2, 12 cm at week 3 and 16 cm at week 4. If the trend continues, how tall will it be at week 6?

1. A32 cm
2. B20 cm
3. C18 cm
4. D24 cm

A student switches a light microscope from low power to high power. What happens to the field of view?

1. AIt stays the same size but gets brighter
2. BIt gets larger but less detailed
3. CIt gets smaller and usually darker
4. DIt gets larger and brighter

"द्विगुणित" (डिप्लॉइड) का क्या अर्थ है?

1. Aकोशिका में गुणसूत्रों के दो समुच्चय होते हैं
2. Bकोशिका में गुणसूत्रों का एक समुच्चय होता है
3. Cकोशिका केवल एक बार विभाजित हो सकती है
4. Dकोशिका में केंद्रक नहीं होता

Which statement correctly compares DNA replication and transcription?

1. ABoth use thymine and deoxyribose in the new strand
2. BReplication makes RNA from DNA; transcription makes DNA from RNA
3. CReplication copies all the DNA; transcription copies one gene
4. DBoth take place on ribosomes in the cytoplasm

Which parent's gamete decides the biological sex of a human baby, and why?

1. AThe father's, because a sperm carries either an X or a Y
2. BBoth equally, because each gives one Y chromosome
3. CThe mother's, because she gives two X chromosomes
4. DThe mother's, because an egg carries either an X or a Y