उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

कौन-सा कथन जीवाणुओं का वर्णन करता है?

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

In the scientific name Homo sapiens, what does Homo name?

1. AThe genus
2. BThe family
3. CThe species
4. DThe kingdom

यूकैरियोटिक कोशिका में अधिकांश ATP कौन-सा कोशिकांग बनाता है?

1. Aलाइसोसोम
2. Bराइबोसोम
3. Cमाइटोकॉन्ड्रिया
4. Dगॉल्जी उपकरण

Which statement about identical and non-identical twins is correct?

1. ABoth kinds of twin always share all of their genes
2. BIdentical twins come from two eggs that are fertilised by a single sperm
3. CIdentical twins come from one zygote; non-identical twins come from two
4. DNon-identical twins come from one zygote that splits in two

Yeast in bread dough breaks down sugar without oxygen. What does it produce?

1. AEthanol and carbon dioxide
2. BGlucose and oxygen
3. CLactic acid and carbon dioxide
4. DOxygen and water

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is controlled only by the environment
2. BIt is controlled by many genes and also affected by environment
3. CIt is controlled by one gene with two alleles and full dominance
4. DIt is an X-linked recessive trait

PCR starts with one double-stranded DNA molecule, and the number of copies doubles each cycle. How many copies are there after 10 cycles?

1. A20
2. B512
3. C100
4. D1024

Which evidence supports the theory that mitochondria came from bacteria that lived inside an ancient cell?

1. AThey make the proteins used by the whole cell, including the nucleus
2. BThey have their own circular DNA, ribosomes and a double membrane
3. CThey have a cell wall made of peptidoglycan
4. DThey are found in all prokaryotic cells