उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

गॉल्जी उपकरण का मुख्य कार्य क्या है?

1. Aयह नियंत्रित करना कि कौन-से जीन सक्रिय हों
2. Bकोशिका विभाजन से पहले DNA की प्रतिलिपि बनाना
3. Cप्रोटीनों में रूपांतरण करना और उन्हें पैक करना
4. Dकोशिकीय श्वसन द्वारा ATP बनाना

Which carbohydrate forms plant cell walls and acts as dietary fibre?

1. AGlycogen
2. BCellulose
3. CGlucose
4. DLactose

What does homozygous mean?

1. AHaving two identical alleles for a gene
2. BHaving an extra chromosome
3. CHaving two different alleles for a gene
4. DHaving only one copy of a gene

Dolly the sheep was cloned by putting the nucleus of an adult body cell into an egg cell whose nucleus had been removed. Whose nuclear DNA did Dolly have?

1. AAn equal mix of all three sheep
2. BThe sheep that gave the egg cell
3. CThe sheep that gave the body cell nucleus
4. DThe sheep that carried the pregnancy

लाल फूलों वाले पौधे का संकरण सफ़ेद फूलों वाले पौधे से कराया जाता है और सभी संतानों के फूल गुलाबी होते हैं। यह क्या दर्शाता है?

1. Aसह-प्रभाविता (कोडोमिनेंस)
2. Bपूर्ण प्रभाविता
3. Cलिंग-सहलग्न लक्षण
4. Dअपूर्ण प्रभाविता (इनकम्प्लीट डोमिनेंस)

The results of an experiment do not support the hypothesis. What should the scientist do next?

1. AStop doing any further research on the question
2. BRevise the hypothesis and test it again
3. CReport that the hypothesis was proven correct
4. DChange the data so they fit the hypothesis

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. AThey were caused by a recent mutation
2. BThe bones are needed for swimming
3. CTheir ancestors had legs
4. DThey will grow legs in the future

Which statement correctly compares DNA replication and transcription?

1. AReplication makes RNA from DNA; transcription makes DNA from RNA
2. BBoth use thymine and deoxyribose in the new strand
3. CBoth take place on ribosomes in the cytoplasm
4. DReplication copies all the DNA; transcription copies one gene