उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What do bacteria use flagella for?

1. AMaking proteins from amino acids
2. BMoving from place to place
3. CStoring food
4. DCopying their DNA

मनुष्यों में कौन-सी कोशिकाएँ अर्धसूत्री विभाजन (मिऑसिस) से बनती हैं?

1. Aअस्थि मज्जा में लाल रक्त कोशिकाएँ
2. Bत्वचा की कोशिकाएँ
3. Cयकृत की कोशिकाएँ
4. Dअंडाणु और शुक्राणु

कोशिका सिद्धांत के अनुसार नई कोशिकाएँ कहाँ से आती हैं?

1. Aशरीर के निर्जीव पदार्थ से
2. Bभोजन के खनिजों से
3. Cशरीर में प्रवेश करने वाले विषाणुओं से
4. Dपहले से मौजूद कोशिकाओं से

Salivary amylase begins the digestion of which nutrient in the mouth?

1. ACellulose
2. BStarch
3. CProtein
4. DFat

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AO only
2. BO or AB
3. CA, B, AB or O
4. DA or B

What is the role of cholesterol in animal cell membranes?

1. AIt keeps membrane fluidity stable as temperature changes
2. BIt carries glucose molecules across the membrane into the cell
3. CIt forms a rigid wall around the cell
4. DIt stores the cell's genetic information

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA comparable group that does not use the mouthwash
2. BA survey asking patients if they liked it
3. CA larger bottle of the same mouthwash for each patient
4. DA longer explanation in the report

Pasteur boiled broth in swan-neck flasks. The broth stayed clear until the neck was broken off, when it soon became cloudy. What did this show?

1. ABoiling makes broth produce new microbes
2. BAir alone, without microbes, spoils broth
3. CSwan-neck flasks produce chemicals that kill bacteria
4. DMicrobes come from the air, not from the broth itself