285931
Removal of calcium from freshly collected blood would
1 cause delayed clotting
2 prevent clotting
3 cause immediate clotting
4 prevent destruction of haemoglobin
Explanation:
(b)
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285932
Child death may occur in the marriage between
1 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{+}}$woman
2 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{-}}$woman
3 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{-}}$woman
4 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{+}}$woman
Explanation:
(b) Rh factor was discovered by Karl Landsteiner. A child of $\text{R}{{\text{h}}^{+}}$man will be $\text{R}{{\text{h}}^{+}}$whether the mother is $\text{R}{{\text{h}}^{+}}$or $\text{Rh}$. If the mother is $\text{R}{{\text{h}}^{+}}$then there will be no problem but if mother is $\text{R}{{\text{h}}^{-}}$so when the blood of $\text{R}{{\text{h}}^{+}}$child (in womb) mixes with the blood of $\text{R}{{\text{h}}^{-}}$ mother then some antibodies in mother's blood are formed against $\text{R}{{\text{h}}^{+}}$factor which coagulate the womb blood causing death. If birth takes place then there is a possibility of child death in early years. This in known as erythroblastosis foetalis.
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285933
Platelets are
1 also called thrombocytes.
2 cell fragments.
3 produced from megakaryocytes.
4 All of the above
Explanation:
(d) Blood platelets occur only in mammals. They are non-nucleated, round or oval biconvex and bud from megakaryocytes. They are much smaller than RBC. Blood platelets are the source of thromboplastin, necessary for blood clotting.
NCERT Page-280 / N-195
BODY FLUIDS and CIRCULATION(NCERT)
285934
Which term is not related with the blood clotting?
285931
Removal of calcium from freshly collected blood would
1 cause delayed clotting
2 prevent clotting
3 cause immediate clotting
4 prevent destruction of haemoglobin
Explanation:
(b)
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285932
Child death may occur in the marriage between
1 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{+}}$woman
2 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{-}}$woman
3 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{-}}$woman
4 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{+}}$woman
Explanation:
(b) Rh factor was discovered by Karl Landsteiner. A child of $\text{R}{{\text{h}}^{+}}$man will be $\text{R}{{\text{h}}^{+}}$whether the mother is $\text{R}{{\text{h}}^{+}}$or $\text{Rh}$. If the mother is $\text{R}{{\text{h}}^{+}}$then there will be no problem but if mother is $\text{R}{{\text{h}}^{-}}$so when the blood of $\text{R}{{\text{h}}^{+}}$child (in womb) mixes with the blood of $\text{R}{{\text{h}}^{-}}$ mother then some antibodies in mother's blood are formed against $\text{R}{{\text{h}}^{+}}$factor which coagulate the womb blood causing death. If birth takes place then there is a possibility of child death in early years. This in known as erythroblastosis foetalis.
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285933
Platelets are
1 also called thrombocytes.
2 cell fragments.
3 produced from megakaryocytes.
4 All of the above
Explanation:
(d) Blood platelets occur only in mammals. They are non-nucleated, round or oval biconvex and bud from megakaryocytes. They are much smaller than RBC. Blood platelets are the source of thromboplastin, necessary for blood clotting.
NCERT Page-280 / N-195
BODY FLUIDS and CIRCULATION(NCERT)
285934
Which term is not related with the blood clotting?
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BODY FLUIDS and CIRCULATION(NCERT)
285931
Removal of calcium from freshly collected blood would
1 cause delayed clotting
2 prevent clotting
3 cause immediate clotting
4 prevent destruction of haemoglobin
Explanation:
(b)
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285932
Child death may occur in the marriage between
1 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{+}}$woman
2 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{-}}$woman
3 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{-}}$woman
4 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{+}}$woman
Explanation:
(b) Rh factor was discovered by Karl Landsteiner. A child of $\text{R}{{\text{h}}^{+}}$man will be $\text{R}{{\text{h}}^{+}}$whether the mother is $\text{R}{{\text{h}}^{+}}$or $\text{Rh}$. If the mother is $\text{R}{{\text{h}}^{+}}$then there will be no problem but if mother is $\text{R}{{\text{h}}^{-}}$so when the blood of $\text{R}{{\text{h}}^{+}}$child (in womb) mixes with the blood of $\text{R}{{\text{h}}^{-}}$ mother then some antibodies in mother's blood are formed against $\text{R}{{\text{h}}^{+}}$factor which coagulate the womb blood causing death. If birth takes place then there is a possibility of child death in early years. This in known as erythroblastosis foetalis.
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285933
Platelets are
1 also called thrombocytes.
2 cell fragments.
3 produced from megakaryocytes.
4 All of the above
Explanation:
(d) Blood platelets occur only in mammals. They are non-nucleated, round or oval biconvex and bud from megakaryocytes. They are much smaller than RBC. Blood platelets are the source of thromboplastin, necessary for blood clotting.
NCERT Page-280 / N-195
BODY FLUIDS and CIRCULATION(NCERT)
285934
Which term is not related with the blood clotting?
285931
Removal of calcium from freshly collected blood would
1 cause delayed clotting
2 prevent clotting
3 cause immediate clotting
4 prevent destruction of haemoglobin
Explanation:
(b)
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285932
Child death may occur in the marriage between
1 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{+}}$woman
2 $\text{R}{{\text{h}}^{+}}$man and $\text{R}{{\text{h}}^{-}}$woman
3 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{-}}$woman
4 $\text{R}{{\text{h}}^{-}}$man and $\text{R}{{\text{h}}^{+}}$woman
Explanation:
(b) Rh factor was discovered by Karl Landsteiner. A child of $\text{R}{{\text{h}}^{+}}$man will be $\text{R}{{\text{h}}^{+}}$whether the mother is $\text{R}{{\text{h}}^{+}}$or $\text{Rh}$. If the mother is $\text{R}{{\text{h}}^{+}}$then there will be no problem but if mother is $\text{R}{{\text{h}}^{-}}$so when the blood of $\text{R}{{\text{h}}^{+}}$child (in womb) mixes with the blood of $\text{R}{{\text{h}}^{-}}$ mother then some antibodies in mother's blood are formed against $\text{R}{{\text{h}}^{+}}$factor which coagulate the womb blood causing death. If birth takes place then there is a possibility of child death in early years. This in known as erythroblastosis foetalis.
NCERT Page-281 / N-196
BODY FLUIDS and CIRCULATION(NCERT)
285933
Platelets are
1 also called thrombocytes.
2 cell fragments.
3 produced from megakaryocytes.
4 All of the above
Explanation:
(d) Blood platelets occur only in mammals. They are non-nucleated, round or oval biconvex and bud from megakaryocytes. They are much smaller than RBC. Blood platelets are the source of thromboplastin, necessary for blood clotting.
NCERT Page-280 / N-195
BODY FLUIDS and CIRCULATION(NCERT)
285934
Which term is not related with the blood clotting?