उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What is a eukaryote?

1. AAn organism made of a single cell without a nucleus
2. BAn organism whose cells have a nucleus
3. CAn organism that lives only in extreme heat
4. DA virus that infects animal cells

Which sugar is found in DNA?

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

गॉल्जी उपकरण का मुख्य कार्य क्या है?

1. Aकोशिकीय श्वसन द्वारा ATP बनाना
2. Bप्रोटीनों में रूपांतरण करना और उन्हें पैक करना
3. Cयह नियंत्रित करना कि कौन-से जीन सक्रिय हों
4. Dकोशिका विभाजन से पहले DNA की प्रतिलिपि बनाना

A patient's blood type is B positive. What does this mean?

1. ATheir red cells carry no antigens at all
2. BTheir red cells carry the A antigen and no RhD antigen
3. CTheir red cells carry the B antigen and the RhD antigen
4. DTheir plasma contains anti-B antibodies

What is the difference between an epidemic and a pandemic?

1. AA pandemic spreads across many countries or continents
2. BA pandemic affects only one town
3. CAn epidemic is caused only by bacteria
4. DAn epidemic affects the whole world at once

Why can an electron microscope show more detail than a light microscope?

1. AElectron microscopes use stronger glass lenses
2. BElectrons have a much shorter wavelength than light
3. CElectron microscopes use living cells only
4. DElectrons are brighter than light

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

1. AEach predator eats many prey, so the pesticide builds up at each level
2. BThe pesticide is broken down faster in insects than in plants
3. CHawks eat the crops directly, so they take in the most pesticide of all
4. DHawks make the pesticide in their own bodies

At dawn, a plant shows no overall uptake or release of oxygen or carbon dioxide. What is the best explanation?

1. AIt only respires at dawn
2. BIts stomata are permanently closed at dawn
3. CIt has stopped both photosynthesis and respiration until it is light
4. DIts rate of photosynthesis equals its rate of respiration