उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What is an inference?

1. AA conclusion reached from observations and prior knowledge
2. BA measurement taken with a calibrated instrument in a laboratory
3. CA variable that the scientist changes on purpose
4. DA list of the materials used in an experiment

What is a chromosomal deletion?

1. AThe loss of a piece of a chromosome
2. BA piece of chromosome that is turned around
3. CAn extra copy of a whole chromosome
4. DThe swap of a single DNA base

समसूत्री विभाजन (माइटोसिस) से क्या बनता है?

1. Aदो आनुवंशिक रूप से समान संतति कोशिकाएँ
2. Bगुणसूत्र संख्या की दोगुनी वाली एक कोशिका
3. Cगुणसूत्र संख्या की आधी वाली दो कोशिकाएँ
4. Dचार आनुवंशिक रूप से भिन्न संतति कोशिकाएँ

जीवाणु सामान्यतः प्रजनन कैसे करते हैं?

1. Aविषाणुओं को मुकुलित करके
2. Bअर्धसूत्री विभाजन द्वारा
3. Cबीज बनाकर
4. Dद्विविखंडन द्वारा

What is the role of cholesterol in animal cell membranes?

1. AIt carries glucose molecules across the membrane into the cell
2. BIt forms a rigid wall around the cell
3. CIt stores the cell's genetic information
4. DIt keeps membrane fluidity stable as temperature changes

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. AAnimals
2. BFungi
3. CBacteria
4. DPlants

The lion is Panthera leo, the tiger is Panthera tigris and the house cat is Felis catus. Which two are most closely related?

1. AAll three are equally related
2. BThe lion and the house cat
3. CThe tiger and the house cat
4. DThe lion and the tiger

A person's body temperature starts to fall in a cold room. Which responses help bring it back up?

1. AFaster breathing and more urine production
2. BSweating and widening of blood vessels in the skin
3. CSlower heart rate and less muscle activity
4. DShivering and narrowing of blood vessels in the skin