उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

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

1. Aयकृत की कोशिकाएँ
2. Bअस्थि मज्जा में लाल रक्त कोशिकाएँ
3. Cअंडाणु और शुक्राणु
4. Dत्वचा की कोशिकाएँ

Which gas do plants take in from the air for photosynthesis?

1. ACarbon dioxide
2. BHydrogen
3. COxygen
4. DNitrogen

लाइसोसोम क्या करता है?

1. Aकोशिका के लिए प्रकाश ऊर्जा ग्रहण करता है
2. Bअमीनो अम्लों से प्रोटीन बनाता है
3. Cकोशिका की आनुवंशिक सूचना संगृहीत करता है
4. Dअपशिष्ट और घिसे हुए भागों को पचाता है

Identical twins raised in different homes have different body weights. What does this show?

1. AThe phenotype depends on environment as well as genotype
2. BBody weight is controlled by a single gene
3. CMutations happened in every cell of one twin
4. DThe twins must have different genotypes for body weight genes

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A72 beats per minute
2. B80 beats per minute
3. C73 beats per minute
4. D74 beats per minute

What happens during telophase of mitosis?

1. AA nuclear envelope forms around each set of chromosomes
2. BThe chromosomes line up across the middle of the cell
3. CThe sister chromatids are pulled apart
4. DThe DNA is copied for the next division

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. BIt has stopped both photosynthesis and respiration until it is light
3. CIts rate of photosynthesis equals its rate of respiration
4. DIts stomata are permanently closed at dawn

A new infectious agent passes through filters that trap bacteria, does not grow on nutrient agar and multiplies only inside living cells. What is it most likely to be?

1. AA fungus
2. BA protozoan
3. CA virus
4. DA bacterium