उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

What is endocytosis?

1. ATaking material into the cell by folding the membrane around it
2. BSplitting the cytoplasm after the nucleus divides
3. CMoving water across the membrane by osmosis
4. DReleasing material from the cell by fusing vesicles with the membrane

What is a chromosome?

1. AA long DNA molecule, packed with proteins, carrying many genes
2. BA single gene that codes for one protein
3. CA small organelle in the cytoplasm that makes ATP for the cell
4. DA strand of RNA that leaves the nucleus

What are the parts of a triglyceride (a fat molecule)?

1. AOne glycerol and three fatty acids
2. BThree glucose units and one phosphate
3. CTwo glycerols and one fatty acid
4. DOne amino acid and three fatty acids

दो विषमयुग्मजी जनकों (Aa × Aa) का संकरण कराया जाता है। अपेक्षित जीनोटाइप अनुपात क्या है?

1. A3 AA : 1 aa
2. B1 AA : 2 Aa : 1 aa
3. C1 AA : 1 aa
4. D2 AA : 1 Aa : 1 aa

What do the spindle fibres do during cell division?

1. AThey digest the old cell membrane
2. BThey attach to chromosomes and move them to the poles
3. CThey make the new nuclear envelope
4. DThey copy the DNA of each chromosome before the cell divides

Researchers randomly assign patients to receive either a new wound dressing or the standard dressing and compare healing times. What type of study is this?

1. AA controlled experiment
2. BA case report
3. CA survey
4. DAn observational study

A point mutation changes a codon in the middle of a gene into a stop codon. What is the most likely effect?

1. AA shortened protein that usually does not work
2. BNo change, because stop codons are ignored
3. CA protein with one different amino acid
4. DA protein that is longer than normal

पेप्सिन आमाशय में काम करता है, जहाँ pH लगभग 2 होता है। छोटी आँत में, जहाँ pH लगभग 8 है, उसकी सक्रियता का क्या होगा?

1. Aवह घट जाएगी, क्योंकि pH उसके इष्टतम मान से बहुत दूर है
2. Bवह बढ़ जाएगी, क्योंकि एंज़ाइम क्षारीय स्थितियाँ पसंद करते हैं
3. Cवह किसी दूसरे एंज़ाइम में बदल जाएगा जो वसा को पचाता है
4. Dवह नहीं बदलेगी, क्योंकि pH का एंज़ाइमों पर कोई प्रभाव नहीं पड़ता