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Breathing and Exchange of Gases
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Breathing and Exchange of Gases
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1. In cell cycle - DNA replication takesplace in [1996 - 2000]
2. During gamete formation - theenzyme recombinase participates during[2012]
3. Segregation of mendelian factor (Aa)occurs during [1990]
4. Intercostal muscles occur in [1988]
5. Microtubule is involved in the [1998]
6. Which one of the following organs inthe human body is most affected due toshortage of oxygen? [1999]
7. During cell division in apicalmeristem the nuclear membrane appearsin [1997]
8. Carbon dioxide is transported fromtissues to respiratory surface by only[1993]
9. Select the correct option withrespect to mitosis. [2011]
10. Which one of the followingmammalian cells is not capable ofmetabolising glucose to carbon-dioxideaerobically? [2007]
11. Which one of the following is apossibility for most of us in regard tobreathing - by making a conscious effort?[2011M]
12. Transpiration is least in [1988]
13. During gamete formation - theenzyme recombinase participates during[2012]
14. When CO2 concentration in bloodincreases - breathing becomes [2004]
15. Best material for the studymitosis in laboratory is [2002]
16. Which stages of cell division do thefollowing figures A and B representrespectively? Fig. A Fig. B [2010]
17. What is vital capacity of our lungs?
18. Child death may occur in themarriage between
19. During meiosis I - the chromosomesstart pairing at [NEET Kar. 2013]
20. Best stage to observe shape - size andnumber of chromosomes is [1994]
21. People living at sea level have around5 million RBC per cubic millimeter oftheir blood whereas those living at analtitude of 5400 metres have around 8million. This is because at high altitude[1995 - 2006]
22. Lampbrush chromosomesduring [1996]
23. In alveoli of the lungs - the air at thesite of gas exchange - is separated fromthe blood by
24. 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]
25. Colchicine is employed to diploidizea haploid cell as it [1996]

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