MCQ
Oxy-haemoglobin dissociates into oxygen and deoxy-haemoglobin at
- ✓Low ${O_2}$ pressure in tissue
- BHigh ${O_2}$ pressure in tissue
- CEqual ${O_2}$ pressure inside and outside tissue
- DAll times irrespective of ${O_2}$ pressure
✓
Answer
Correct option: A.
Low ${O_2}$ pressure in tissue
a
(a)More active tissue has much lower ${P_O}_{_2}$. Therefore much more oxygen is released from oxyhaemoglobin in the active tissue.
(a)More active tissue has much lower ${P_O}_{_2}$. Therefore much more oxygen is released from oxyhaemoglobin in the active tissue.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Match the following:
→| $(a)$ Siliqua | $(i)$ Lycopersicumesculentum |
| $(b)$ Caryopsis | $(ii)$ Triticumaestivum |
| $(c)$ Berry | $(iii)$ Helianthus annuus |
| $(d)$ Cypsela | $(iv)$ Brassica campestris |
A fatty acid has a carboxyl group attached to R group. The R group could be a
Identify $X$ from figure.
→Match the Column $- I$ with Column $-II$
→| Column $-I$ | Column $-II$ |
| $(a)\; P-$wave | $(i)$ Depolarisation of ventricles |
| $(b)\; QRS$ complex | $(ii)$ Repolarisation of ventricles |
| $(c)\; T-$wave | $(iii)$ Coronary ischemia |
| $(d)$ Reduction in the size of $T-$wave | $(iv)$ Depolarisation of atria |
| $(v)$ Repolarisation of atria |
Select the correct option
$(a)\quad (b)\quad (c) \quad (d)$
Different cells have different sizes. Arrange the following cells in an ascending order of their size and select the correct option.
- Mycoplasma.
- Ostrich eggs.
- Human RBCs.
- Bacteria.
Options:
Arytenoid cartilage is found in:
Generally hypodermis in monocots is composed of
Assertion : In collateral vascular bundles, phloem is situated towards inner side.
Reason : In monocot stem, cambium is present
Reason : In monocot stem, cambium is present
In Krebs' cycle, $GTP$ is formed in
→Body forms present in Cnidarians are