उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What do bacteria use flagella for?

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

कौन-सा कथन जीवाणुओं का वर्णन करता है?

1. Aवे एककोशिकीय प्रोकैरियोट हैं
2. Bवे पौधों की तरह बहुकोशिकीय जीव हैं
3. Cवे कोशिकाएँ नहीं, प्रोटीन और DNA के कण हैं
4. Dवे केंद्रक वाले एककोशिकीय यूकैरियोट हैं

What is a zygote?

1. AThe diploid cell formed when a sperm fertilises an egg
2. BAn unfertilised egg cell
3. CA haploid cell made by meiosis
4. DA body cell that has just completed its first round of mitosis

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AATP, then fat, then glycogen
2. BATP, then glycogen, then fat
3. CFat, then glycogen, then ATP
4. DGlycogen, then ATP, then fat

Which statement best describes biological evolution?

1. AMovement of animals to a new habitat each year
2. BChange in the body of one organism during its lifetime
3. CChange in the inherited traits of a population over generations
4. DGrowth of an organism from a single zygote to a fully grown adult

What is the role of oxygen in aerobic respiration?

1. AIt is split to release the energy needed for glycolysis
2. BIt is built into glucose molecules
3. CIt accepts electrons at the end of the transport chain
4. DIt breaks pyruvate into lactic acid

अधिकांश कोशिकाएँ बहुत छोटी क्यों होती हैं?

1. Aछोटी कोशिकाओं को ऑक्सीजन की ज़रूरत नहीं होती
2. Bबड़ी कोशिकाओं में माइटोकॉन्ड्रिया नहीं हो सकते
3. Cछोटी कोशिकाओं में बड़ी कोशिकाओं से अधिक DNA होता है
4. Dछोटी कोशिकाओं में पृष्ठीय क्षेत्रफल और आयतन का अनुपात अधिक होता है

A patient breathes very slowly, so carbon dioxide builds up in the blood. What happens to the blood pH, and why?

1. AIt rises, because CO₂ is a base
2. BIt falls, because CO₂ forms carbonic acid in the blood
3. CIt rises, because CO₂ removes hydrogen ions
4. DIt stays the same, because CO₂ does not dissolve in blood