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Q1. Bombyx mori, that produces line filaments of silk inside the cocoon, is a
Q2. Plasma cells. that secrete antibodies at a very rapid rate are derived from:
Q3. In brown-air cities atmospheric hydrocarbons and nitrogen oxides from automobiles and power plants react in the presence of sunlight, forming a single or a number of secondary pollutants as
Q4. Sloths, anteaters and armadillos exemplify
Q5. For an organism, what it consumes, what consumes it. where it lives and how it interacts with the abiotic and biotic factors, describes its
Q6. Bile acid; thai have the remarkable hydrotropic properly of rendering fat soluble substances into water soluble ones are [1. Keto acids, 2. Steroids, 3. Prostaglandins, 4. Sodium salts of taurocholic and glycoeholic acids]
Q7. Asbestos, an industrial chemical used for brake linings, fire-proofing, insulation and cement pipes, can cause [1. Bone marrow damage, 2. Lung cancer, 3. Leukemia, 4. Stomach cancer]
Q8. Irritated eyes and burning throat are caused by exposure to
Q9. DDT, an organochlorine compound, used first to control malaria, carried in mosquitoes and later to a variety of insect pests, is now banned because
Q10. Match the items of List I with List II and select the correct answer by using the codes given below the lists. List I —List II A. Testis — 1. Glomeruli B. Ovary — 2. Primary follicles C. Kidney — 3. Goblet cells D. Rectum — 4. Leydig cells — 5. Villi
Q11. The body temperature in birds is in the range of
Q12. A vast proportion of our body's weight is made up of
Q13. Major sugar of insect haemolymph is:
Q14. The vestigial traits in man are [1. Mammae on male, 2. Muscles to move ears, 3. Caudal vertebrae (coccyx), 4. Pointed canine]
Q15. A pioneer in the field of stem cell research in India insists that embryonic stem cell research was at an advanced stage during the Mahabharat times and that the Kauravas (Duryodhan & brothers) were born from the stem cells. Who among the following is this scientists?
Q16. Consider the following statements: [1. Nearly 75% of the world's production of oils and fats comes from plants, 2. Genetic engineering has enabled biotechnologists to modify seed oil biochemistry to produce designer oils, 3. Biotechnologists are also developing plants that can produce biodegradable plastics, but the cost in plants is much higher than in transgenic bacteria, 4. One of the major advantages of plant tissue culture is mass production of identical plants from a small piece of tissue. However, extended growth of plant cells in culture may result in increased genetic diversity] Which of these statements are correct?
Q17. Study the following statement: [1. White wines like the famous champagne are made from white as well as dark grapes, 2. Grape varieties used in wine-making fall in two main categories of which Vitis labrusca produces the finest wines, 3. Table grapes don't make good wine, 4. A little over 30% world production of grapes comes from the USA] Which of these statements are correct?
Q18. Question include two statements, one labelled as Assertion (A) and the other as Reason (R). Examine the two statements carefully and select your answer from the codes given below: [Assertion (A): The biotechnologists are at the threshold of developing edible vaccines. This involves development of a plant with incorporated foreign DNA that could synthesize antigen for a human pathogen. — Reason (R): The vaccine is so called because the plant/plant product, when eaten by a person, will induce the individual to synthesize antibodies against the particular disease.]
Q19. Question include two statements, one labelled as Assertion (A) and the other as Reason (R). Examine the two statements carefully and select your answer from the codes given below: [Assertion (A): People in the Mediterranean are less prone to heart attacks.— Reason (R): Their diet includes plenty of nuts whose proteins inhibit cholesterol deposition in the blood vessels]
Q20. Question include two statements, one labelled as Assertion (A) and the other as Reason (R). Examine the two statements carefully and select your answer from the codes given below: [Assertion (A): -Under different sections of the Wildlife Protection Act, 1982 abetting poaching of endangered animals is a criminal offence.— Reason (R): Getting the entire poaching operation of endangered species videotaped with the help of professional poachers in the presence of Divisional Forests Officer for a story on poaching is permitted, although animals are slain.]
Q21. Question include two statements, one labelled as Assertion (A) and the other as Reason (R). Examine the two statements carefully and select your answer from the codes given below: [Assertion (A): 'Truth Serum' was commonly used on Soviet spies in the U.S. during the cold war.—Reason (R): 'Truth Serum' with a garlic-like odour tends to induce more truthful responses to an interrogator's questions.]
Q22. A very large number of people in Kanganheri village in West Delhi were reported to be suffering from gastroenteritis in June 2002. It was because: [1. the main pipeline supplying Delhi Jal Board (DJB) water to the village had burst, 2. employees of DJB were found negligent in providing safe drinking water, 3. the water was contaminated with E.coli, Salmonella and Clostridium botulinum, 4. non-functional chlorinator attached to a tubewell in the village]
Q23. The potency pill that is prescribed for erectile dysfunction is: [1. Viagra, 2. Penegra, 3. Caverta, 4. Androz]
Q24. The cow while standing up from the sitting posture initially takes support and puts its body weight on:
Q25. Indian Railways denied employment to a person as he suffered from Leukoderma but the court rejected Railway's plea on the grounds that it is
Q26. After a live python was seized from a farmhouse by a wildlife official, the owner of the farmhouse was arrested [1. under the Wildlife Protection Act. 1972, 2. because python is a poisonous snake and so a threat to other people, 3. because wild animals are being illegally reared in farmhouses, 4. because he was fond of wildlife and had a pet snake of his own]
Q27. A zoo necessitates its closure when [1. it is in a small area and grossly overpopulated, 2. it has animals suffering from diseases due to poor sanitation, 3. it lacks technical staff like a veterinarian, 4. fighting among animals deaths are rampant]
Q28. Match the clone with the group of animal it belongs to List I (Clone) — List II (Animal) A. 'Noah' — 1. Kitten B. 'Cc' — 2. Mice C. 'Dolly' — 3. Wild Indian Ox D. 'Cumulina' — 4. Sheep
Q29. Which of the following statements is incorrect concerning the technique adopted in producing a human clone?
Q30. Many adult bulls straying on city roads are often seen with small shrunken scrotal sacs because of
Q31. Which of the following animal does not possess flippers?
Q32. The barnacle that is found in the seas attached by a peduncle to wooden ships or wharves is
Q33. Orissa coast was reported to be dotted with bodies of thousands of Olive Ridley Turtles on January 9, 2003 as they perished mostly due to
Q34. Assertion (A): Seminars have been organised for barbers, tattoo-makers and medical practitioners and stringent warnings given to women indulging in prostitution in some villages in Punjab. — Reason (R): Manuka, a small village near Ludhiana has witnessed 12 deaths in the last 5 years due to AIDS
Q35. Assertion (A): In gouty arthritis, uric acid levels are high to cause acute pain in the joints.— Reason (R): One of the useful therapies to overcome pain in gouty arthritis without side effects is consuming high protein diet such as fish like sardines, mackerels, rohu, catla, and salmon a few times a week.
Q36. Assertion (A): Rainwater Harvesting has been made mandatory in several cities in Haryana and Punjab.—Reason (R): Groundwater is an endless resource for water.
Q37. Assertion (A): The Communist Party of India, in a PIL against MCD, alleged that since Ghazipur is quite close to IAF's Hindon airport, a number of planes have crashed in the region due to bird hits causing loss of lives of the pilots.—Reason (R): The MCD has shown extreme negligence to check the malpractice of throwing animal carcasses near the IAF airfield.
Q38. Pangolins are:
Q39. The chief poisonous snakes of India are
Q40. The horned toads are: [1. amphibians with dry skin with horns on the head, 2. lizards with horns on the head, 3. Ovoviviparous or oviparous, 4. animals inhabiting hot and dry deserts]
Q41. Such fish that are found in rivers in Australia and Africa where water is too foul to support life with the usual gills are [1. dipnoins, 2. lung fishes, 3. sturgeons, 4. guppies]
Q42. Associate the following structures with the animal they are present in: A. pedicellariae — 1. tapeworm B. osculum — 2. insect C. ommatidia — 3. starfish D. proglottids — 4. sponge
Q43. Middle aged Indian women are most vulnerable to osteoporosis because [1. they have genetically weaker bones, 2. of post-menopausal decline in levels of estrogens, 3. of increase in levels of calcitonin, 4. deficiency of Ca ++ in bones]
Q44. Many birds keeping their beaks open for fairly long periods of time during hot summer months are reflective of [1. thirst, 2. rapid shallow respiration and profuse salivation, 3. panting, 4. tetanus of muscles supporting beak (lock-jaw)]
Q45. Silicosis is a
Q46. The over inflation of the lungs is prevented by
Q47. Labels 1 to 7 in Figure show a portion of general viscera in a mammal. Identify the various labels
Q48. Label 3 in Figure shows [1. fundic stomach, 2. the gastric glands of this part of the stomach are lined with chief/peptic cells and parietal/ oxyntic cells, 3. the secretion of peptic cells is pepsin while that of oxyntic cells is HCl, 4. pepsin hydrolyses proteins into polypeptides through acid metaproteins, proteoses and peptones]
Q49. Label 3 in Figure shows [1. pancreas which is an exorcine as well as an endorcine gland, 2. the bulk of the pancreas comprises islets of Langerhans, 3. while a-cells secrete glucagon, the b cells secrete insulin, 4. hyperglycemia is caused after b cells are completely worn out due to inner physiological changes] Of the above, the correct statements are:
Q50. Assertion (A): Most of the cancer-causing viruses carry an oncogene. — Reason (R): The gene is acquired from the host cell's genome during infection and causes cancer in the very host on subsequent infections. Both A and R are true and R is the correct ex plantation of A.
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