उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

विसरण (डिफ़्यूज़न) क्या है?

1. Aकणों का कम सांद्रता से अधिक सांद्रता की ओर गमन
2. Bकोशिका द्वारा बड़े कणों को पुटिका में निगल लेना
3. Cकणों का अधिक सांद्रता से कम सांद्रता की ओर गमन
4. DATP के उपयोग से झिल्ली के पार पानी का गमन

What is a sister chromatid?

1. AA chromosome that is inherited from the mother only, never the father
2. BOne of the two sex chromosomes
3. CA small ring of DNA found in bacteria
4. DOne of two identical copies of a chromosome joined at the centromere

What is a Punnett square used for?

1. AShowing the order of genes on a chromosome
2. BMeasuring the size of a cell
3. CPredicting the possible genotypes of offspring
4. DCounting the chromosomes in a cell

What are introns?

1. AShort pieces of DNA made on the lagging strand
2. BNon-coding sections removed from pre-mRNA before translation
3. CCoding sections joined together to form the mature mRNA
4. DCodons that tell the ribosome to stop translation

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. AOne quarter
2. BOne half
3. CAll
4. DNone

वैज्ञानिक सिद्धांत (थ्योरी) परिकल्पना से किस प्रकार भिन्न है?

1. Aसिद्धांत एक अनुमान है जिसका अभी परीक्षण नहीं हुआ
2. Bसिद्धांत को नए आँकड़ों से कभी बदला नहीं जा सकता
3. Cयह बहुत-से परखे हुए प्रमाणों द्वारा समर्थित व्यापक स्पष्टीकरण है
4. Dसिद्धांत एक प्रयोग का परिणाम है

Why is ATP described as an energy carrier rather than a long-term energy store?

1. AATP contains no energy in its bonds, so it cannot be stored
2. BCells hold only a little and constantly recycle it from ADP
3. CATP can be made only in plants
4. DATP is stored in large amounts in fat tissue

After a meal, blood glucose rises. Which response brings it back to normal?

1. AThe pancreas releases glucagon, and the liver releases glucose
2. BThe pancreas releases insulin, and cells take up glucose
3. CThe kidneys release insulin into the urine
4. DThe liver stops storing glycogen and releases more glucose