315744
\(\mathrm{Mg}\) is an important component of which biomolecule occurring extensively in living world?
1 Haemoglobin
2 Chlorophyll
3 Florigen
4 ATP
Explanation:
\(\mathrm{Mg}\) is present in chlorophyll, the green pigment of plants.
CHXI10:THE S-BLOCK ELEMENTS
315745
Calcitonin and parathyroid hormone regulate concentration of which of the following element in plasma?
1 Calcium
2 Magnesium
3 Sodium
4 Potassium
Explanation:
The calcium concentration in plasms is regulated at about \(100 \mathrm{mg} \cdot \mathrm{mL}^{-1}\). It is maintained by two hormones calcitonin and parathyroid hormones.
CHXI10:THE S-BLOCK ELEMENTS
315746
Which of the following statements is false?
1 \(\mathrm{Mg}^{2+}\) ions are important in the green parts of plants
2 \(\mathrm{Mg}^{2+}\) ions form a complex with ATP
3 \(\mathrm{Ca}^{2+}\) ions are important in blood clotting
4 \(\mathrm{Ca}^{2+}\) ions are not important in maintaining the regular beating of the heart
Explanation:
\(\mathrm{Ca}^{2+}\) ions are important in blood clotting and are also important in maintaining the regular beating of the heart.
NEET - 2016
CHXI10:THE S-BLOCK ELEMENTS
315747
In photosynthesis, chlorophyll acts as
1 an oxidising agent
2 a reducing agent
3 a light sensitizer
4 a colouring matter.
Explanation:
In photosynthesis, chlorophyll acts as a light sensitizer.
CHXI10:THE S-BLOCK ELEMENTS
315748
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal \((\mathrm{M})\) as the cofactor. \(\mathrm{M}\) is :
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Sr}\)
Explanation:
All enzymes that utilize ATP in phosphate transfer require magnesium \((\mathrm{Mg})\) as the cofactor.
315744
\(\mathrm{Mg}\) is an important component of which biomolecule occurring extensively in living world?
1 Haemoglobin
2 Chlorophyll
3 Florigen
4 ATP
Explanation:
\(\mathrm{Mg}\) is present in chlorophyll, the green pigment of plants.
CHXI10:THE S-BLOCK ELEMENTS
315745
Calcitonin and parathyroid hormone regulate concentration of which of the following element in plasma?
1 Calcium
2 Magnesium
3 Sodium
4 Potassium
Explanation:
The calcium concentration in plasms is regulated at about \(100 \mathrm{mg} \cdot \mathrm{mL}^{-1}\). It is maintained by two hormones calcitonin and parathyroid hormones.
CHXI10:THE S-BLOCK ELEMENTS
315746
Which of the following statements is false?
1 \(\mathrm{Mg}^{2+}\) ions are important in the green parts of plants
2 \(\mathrm{Mg}^{2+}\) ions form a complex with ATP
3 \(\mathrm{Ca}^{2+}\) ions are important in blood clotting
4 \(\mathrm{Ca}^{2+}\) ions are not important in maintaining the regular beating of the heart
Explanation:
\(\mathrm{Ca}^{2+}\) ions are important in blood clotting and are also important in maintaining the regular beating of the heart.
NEET - 2016
CHXI10:THE S-BLOCK ELEMENTS
315747
In photosynthesis, chlorophyll acts as
1 an oxidising agent
2 a reducing agent
3 a light sensitizer
4 a colouring matter.
Explanation:
In photosynthesis, chlorophyll acts as a light sensitizer.
CHXI10:THE S-BLOCK ELEMENTS
315748
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal \((\mathrm{M})\) as the cofactor. \(\mathrm{M}\) is :
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Sr}\)
Explanation:
All enzymes that utilize ATP in phosphate transfer require magnesium \((\mathrm{Mg})\) as the cofactor.
315744
\(\mathrm{Mg}\) is an important component of which biomolecule occurring extensively in living world?
1 Haemoglobin
2 Chlorophyll
3 Florigen
4 ATP
Explanation:
\(\mathrm{Mg}\) is present in chlorophyll, the green pigment of plants.
CHXI10:THE S-BLOCK ELEMENTS
315745
Calcitonin and parathyroid hormone regulate concentration of which of the following element in plasma?
1 Calcium
2 Magnesium
3 Sodium
4 Potassium
Explanation:
The calcium concentration in plasms is regulated at about \(100 \mathrm{mg} \cdot \mathrm{mL}^{-1}\). It is maintained by two hormones calcitonin and parathyroid hormones.
CHXI10:THE S-BLOCK ELEMENTS
315746
Which of the following statements is false?
1 \(\mathrm{Mg}^{2+}\) ions are important in the green parts of plants
2 \(\mathrm{Mg}^{2+}\) ions form a complex with ATP
3 \(\mathrm{Ca}^{2+}\) ions are important in blood clotting
4 \(\mathrm{Ca}^{2+}\) ions are not important in maintaining the regular beating of the heart
Explanation:
\(\mathrm{Ca}^{2+}\) ions are important in blood clotting and are also important in maintaining the regular beating of the heart.
NEET - 2016
CHXI10:THE S-BLOCK ELEMENTS
315747
In photosynthesis, chlorophyll acts as
1 an oxidising agent
2 a reducing agent
3 a light sensitizer
4 a colouring matter.
Explanation:
In photosynthesis, chlorophyll acts as a light sensitizer.
CHXI10:THE S-BLOCK ELEMENTS
315748
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal \((\mathrm{M})\) as the cofactor. \(\mathrm{M}\) is :
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Sr}\)
Explanation:
All enzymes that utilize ATP in phosphate transfer require magnesium \((\mathrm{Mg})\) as the cofactor.
315744
\(\mathrm{Mg}\) is an important component of which biomolecule occurring extensively in living world?
1 Haemoglobin
2 Chlorophyll
3 Florigen
4 ATP
Explanation:
\(\mathrm{Mg}\) is present in chlorophyll, the green pigment of plants.
CHXI10:THE S-BLOCK ELEMENTS
315745
Calcitonin and parathyroid hormone regulate concentration of which of the following element in plasma?
1 Calcium
2 Magnesium
3 Sodium
4 Potassium
Explanation:
The calcium concentration in plasms is regulated at about \(100 \mathrm{mg} \cdot \mathrm{mL}^{-1}\). It is maintained by two hormones calcitonin and parathyroid hormones.
CHXI10:THE S-BLOCK ELEMENTS
315746
Which of the following statements is false?
1 \(\mathrm{Mg}^{2+}\) ions are important in the green parts of plants
2 \(\mathrm{Mg}^{2+}\) ions form a complex with ATP
3 \(\mathrm{Ca}^{2+}\) ions are important in blood clotting
4 \(\mathrm{Ca}^{2+}\) ions are not important in maintaining the regular beating of the heart
Explanation:
\(\mathrm{Ca}^{2+}\) ions are important in blood clotting and are also important in maintaining the regular beating of the heart.
NEET - 2016
CHXI10:THE S-BLOCK ELEMENTS
315747
In photosynthesis, chlorophyll acts as
1 an oxidising agent
2 a reducing agent
3 a light sensitizer
4 a colouring matter.
Explanation:
In photosynthesis, chlorophyll acts as a light sensitizer.
CHXI10:THE S-BLOCK ELEMENTS
315748
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal \((\mathrm{M})\) as the cofactor. \(\mathrm{M}\) is :
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Sr}\)
Explanation:
All enzymes that utilize ATP in phosphate transfer require magnesium \((\mathrm{Mg})\) as the cofactor.
315744
\(\mathrm{Mg}\) is an important component of which biomolecule occurring extensively in living world?
1 Haemoglobin
2 Chlorophyll
3 Florigen
4 ATP
Explanation:
\(\mathrm{Mg}\) is present in chlorophyll, the green pigment of plants.
CHXI10:THE S-BLOCK ELEMENTS
315745
Calcitonin and parathyroid hormone regulate concentration of which of the following element in plasma?
1 Calcium
2 Magnesium
3 Sodium
4 Potassium
Explanation:
The calcium concentration in plasms is regulated at about \(100 \mathrm{mg} \cdot \mathrm{mL}^{-1}\). It is maintained by two hormones calcitonin and parathyroid hormones.
CHXI10:THE S-BLOCK ELEMENTS
315746
Which of the following statements is false?
1 \(\mathrm{Mg}^{2+}\) ions are important in the green parts of plants
2 \(\mathrm{Mg}^{2+}\) ions form a complex with ATP
3 \(\mathrm{Ca}^{2+}\) ions are important in blood clotting
4 \(\mathrm{Ca}^{2+}\) ions are not important in maintaining the regular beating of the heart
Explanation:
\(\mathrm{Ca}^{2+}\) ions are important in blood clotting and are also important in maintaining the regular beating of the heart.
NEET - 2016
CHXI10:THE S-BLOCK ELEMENTS
315747
In photosynthesis, chlorophyll acts as
1 an oxidising agent
2 a reducing agent
3 a light sensitizer
4 a colouring matter.
Explanation:
In photosynthesis, chlorophyll acts as a light sensitizer.
CHXI10:THE S-BLOCK ELEMENTS
315748
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal \((\mathrm{M})\) as the cofactor. \(\mathrm{M}\) is :
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Sr}\)
Explanation:
All enzymes that utilize ATP in phosphate transfer require magnesium \((\mathrm{Mg})\) as the cofactor.
