उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

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

1. Aअस्थि मज्जा में लाल रक्त कोशिकाएँ
2. Bत्वचा की कोशिकाएँ
3. Cअंडाणु और शुक्राणु
4. Dयकृत की कोशिकाएँ

What is a pedigree in genetics?

1. AA list of all the genes in an organism
2. BA table of codons and amino acids
3. CA picture of a person's chromosomes arranged in pairs by size
4. DA chart that shows how a trait is inherited in a family

इनमें से कौन-सा कवक है?

1. Aइन्फ़्लूएंज़ा विषाणु
2. BEscherichia coli
3. Cअमीबा
4. Dयीस्ट

A study finds a positive correlation between hours of exercise and lung capacity. What does this mean?

1. AAs exercise increases, lung capacity tends to decrease
2. BAs exercise increases, lung capacity tends to increase
3. CThere is no link between the two variables
4. DExercise has been proven to cause higher lung capacity

What happens to a protein when it is denatured?

1. AIt loses its 3D shape but keeps its amino acid sequence
2. BIt loses some of its amino acids but keeps its folded shape
3. CIt becomes more active than before
4. DIt turns into a carbohydrate

Which element is found in all amino acids but not in carbohydrates?

1. ANitrogen
2. BHydrogen
3. CCarbon
4. DOxygen

Sweating cools the body. Which property of water best explains this?

1. AIt takes a lot of heat energy to evaporate
2. BIt is a nonpolar solvent
3. CIt has a very low specific heat
4. DIt is less dense as ice than as a liquid

A man has Klinefelter syndrome (XXY). Which error most likely produced it?

1. ANondisjunction of the sex chromosomes during meiosis in a parent
2. BA frameshift mutation in one of the genes on the father's Y chromosome
3. CCrossing over between chromosome 21 and the X chromosome
4. DExtra mitosis in the zygote after fertilisation