General Knowledge : General Science QUESTIONS AND ANSWERS :: part20 : 26 to 30
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
26.Which of the following are affected by AIDS ? 1. Blood circulatory system2. Nervous system3. Immune system |
| 1, 2 and 3 |
| 2, 3 and 4 |
| 1, 2 and 4 |
| 1, 3 and 4 |
27.The correct sequence of passage of air through the respiratory tract during respiration is : |
| Nostril - Nasal cavity - Pharynx - Larynx - Trachea - Bronchi - Bronchioles - Alveoli |
| Nostril - Nasal cavity - Bronchioles - Bronchi - Larynx - Pharynx - Tracheaa - Alveoli |
| Nostril - Nasal cavity - Larynx - Pharynx - Trachea - Bronchi - Bronchioles - Alveoli |
| Nostril - Nasal cavity - Larynx - Pharynx - Bronchi - Trachea - Bronchioles - Alveoli |
28.One of the most important theories of general biology was proposed independently by two scientists in the 19th century. The scientists were : |
| Watson and Crick |
| Mendel and Lamarck |
| Wallace and Darwin |
| Beadle and Tatum |
29.In which of the following cell organelles do photo and thermochemical reactions occur in different sites ? |
| Mitochondria |
| Chloroplasts |
| Ribosomes |
| Lysosomes |
30.Why do two eyes give better vision than one ? |
| Because two lenses together impart a higher converging power so that a sharp image is formed on the retina |
| Because two eyes do not form exactly similar images and the fusion f these two dissimilar images in the brain gives the three dimensional or stereoscopic vision |
| Because both the eyes are connected by nerves to the brain and hence transmit the message more quickly to the brain |
| None of these |
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