उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What is a neuron?

1. AA nerve cell that carries electrical signals
2. BA muscle cell that contracts
3. CA bone cell that stores calcium
4. DA blood cell that carries oxygen around the body

What is a bacteriophage?

1. AA white cell that eats bacteria
2. BA fungus that kills bacteria
3. CA virus that infects bacteria
4. DA bacterium that infects viruses

How many micrometres (µm) are in one millimetre?

1. A1 000 000
2. B100
3. C1000
4. D10

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

1. AOxygen
2. BCarbon
3. CNitrogen
4. DHydrogen

एक विद्यार्थी परखता है कि प्रकाश की मात्रा बीन के पौधों की वृद्धि को कैसे प्रभावित करती है। कौन-सा नियंत्रित चर होना चाहिए?

1. Aप्रत्येक पौधे को मिलने वाले प्रकाश की मात्रा
2. Bप्रत्येक पौधे को मिलने वाले पानी की मात्रा
3. Cप्रयोग का निष्कर्ष
4. Dअंत में पौधों की ऊँचाई

A solution of pH 4 is compared with a solution of pH 6. How many times more hydrogen ions does the pH 4 solution have?

1. A2 times
2. B10 times
3. C20 times
4. D100 times

Parts of a protein chain coil into alpha helices and fold into beta sheets, held by hydrogen bonds. Which level of protein structure is this?

1. ATertiary structure
2. BQuaternary structure
3. CPrimary structure
4. DSecondary structure

A mutation changes one amino acid in an enzyme. In which location is the change most likely to stop the enzyme from working?

1. AIn a section that is removed after the protein is made
2. BOn the outer surface, far from the active site
3. CIn the active site
4. DIn the gene's stop codon