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Biology |
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| 316)In which of the following functions white muscles are not used? | |||
| Fast and strenous work for short duration | For sustained work at slow rate for a prolonged duration | ||
| Moving of eye balls | Fast flights as in case of sprrows | ||
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| 317)The muscle fatigue occurs due to accumulation of | |||
| Lactic acid | CO2 | ||
| Creatine phosphate | None of these | ||
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| 318)Ca2+ combine with ____________ during muscle contraction in a skeletal muscle fibre. | |||
| TPT | Tropomyosin | ||
| TPC | TPI | ||
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| 319)Time taken by a single muscle twitch is | |||
| 5 second | 1 second | ||
| 10 second | 0.1 second | ||
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| 320)Functional unit of a muscle fibre is | |||
| Thin filament | Thick filament | ||
| Sarcomere | Myofibrils | ||
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| 321)Vertebra prominens is present with | |||
| First lumbar vertebrae | First thoracic vertebrae | ||
| First cervical vertebrae | Seventh cervical vertebrae | ||
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| 322)Tongue bone is | |||
| Flat bone | Hyoid | ||
| Mandible | Coccyx | ||
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| 323)How many unpaired bones are there in the caranium? | |||
| 4 | 2 | ||
| 1 | 6 | ||
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| 324)In which of the following longest visceral muscles are found? | |||
| Normal uterus | Pregnant uterus | ||
| Abdomen | Vas deferens | ||
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| 325)In birds which flight muscle is well developed? | |||
| Alary | Pectoralis major | ||
| Biceps | Gastrocnemius | ||
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| 326)Each fasciculus of skeletal muscle fibre is surrounded by | |||
| Sarcolemma | Endomycium | ||
| Epimycium | Perimycium | ||
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| 327)The time period between the begining of electrical response and peak of tension recorded is | |||
| Latent period | Contraction time | ||
| Relaxation time | Refractory period | ||
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| 328)The longest individual muscle in the human body is | |||
| Latissimus dorsi | Sartorius | ||
| Gluteus maximus | Quadriceps femoris | ||
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| 329)Which one of the following ions are essential for muscular contraction? | |||
| Mg++, K+ | Na+, K+ | ||
| Na+, Ca+ | Mg++, Ca++ | ||
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| 330)The disease that weakens the muscles is | |||
| Dystrophy | Poliomyelitis | ||
| Muscular hypertrophy | Atrophy | ||
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