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Breathing and Exchange of Gases
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Breathing and Exchange of Gases
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25 Questions

1. During the metaphase stage ofmitosisspindlefibresattachtochromosomes at [NEET Kar. 2013]
2. Meiosis II performs [1993]
3. Which two of the following changes(a-“d) usually tend to occur in the plaindwellers when they move to highaltitudes (3 - 500 m or more)? (i) Increasein red blood cell size (ii) Increase in redblood cell production (iii) Increasedbreathingrate(iv)Increaseinthrombocyte count Changes occurringare: [2010]
4. Listed below are four respiratorycapacities (i-“iv) and four jumbledrespiratory volumes of a normal humanadult: Respiratory Respiratory capacitiesvolumes (i) Residual volume 2500mL (ii)Vital capacity 3500mL (iii) Inspiratoryreserve 1200mL volume (iv) Inspiratorycapacity 4500mL Which one of thefollowing is the correct matching of twocapacities and volumes? [2010]
5. If you are provided with root-tips ofonion in your class and are asked tocount the chromosomes - which of thefollowingstagescanyoumostconveniently look into? [2004]
6. Which of the following are thecorrect statement for respiration inhuman [2012]
7. Which one of the followingmammalian cells is not capable ofmetabolising glucose to carbon-dioxideaerobically? [2007]
8. The alveolar epithelium in the lungsis [1990]
9. Which one of the following organs inthe human body is most affected due toshortage of oxygen? [1999]
10. Which one of the following is one ofthe paths followed by air/O2 duringrespiration in an adult male Periplanetaamericana as it enters the animal body?[NEET Kar. 2013]
11. During meiosis I - the chromosomesstart pairing at [NEET Kar. 2013]
12. Carbon dioxide is transported fromtissues to respiratory surface by only[1993]
13. At what stage of the cell cycle arehistone proteins synthesized in aeukaryotic cell? [2005]
14. During gamete formation - theenzyme recombinase participates during[2012]
15. In alveoli of the lungs - the air at thesite of gas exchange - is separated fromthe blood by
16. Which one of the following is apossibility for most of us in regard tobreathing - by making a conscious effort?[2011M]
17. During mitosis ER and nucleolusbegin to disappear at: [2010]
18. Colchicine is employed to diploidizea haploid cell as it [1996]
19. In the somatic cell cycle [2004]
20. Intercostal muscles occur in [1988]
21. Microtubule is involved in the [1998]
22. The quantity 1500 ml in therespiratory volumes of a normal humanadult refers to [1996]
23. A stage in cell division is shown inthe figure. Select the answer which givescorrect identification of the stage withits characteristics. [NEET 2013]
24. Number of chromatids at metaphaseis [1992]
25. Air is breathed through [1994]