Which of the following does not contain metal:
1. Glycoproteins
2. Ferritin
3. Cytochromes
4. Chromoproteins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPlants take zinc in the form of:
1. ZnSO4 | 2. Zn2+ |
3. ZnO | 4. Zn |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytochrome is:
1. Metallo flavo protein
2. Fe containing porphyrin pigment
3. Glycoprotein
4. Lipid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe major role of minor elements inside living organisms is to act as:
1. Co-factors of enzymes
2. Building blocks of important amino acids
3. Constituent of hormones
4. Binder of cell structure
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich element is located at the center of the porphyrin ring in chlorophyll?
1. | Calcium | 2. | Magnesium |
3. | Potassium | 4. | Manganese |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following mineral elements plays an important role in biological nitrogen fixation:
1. Copper
2. Manganese
3. Zinc
4. Molybdenum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn which one of the following nitrogen is not a constituent:
1. Idioblast
2. Bacteriochlorophyll
3. Invertase
4. Pepsin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBoron in green plants assists in:
1. Activation of enzymes
2. Acting of enzyme cofactor
3. Photosynthesis
4. Sugar transport
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe deficiencies of micronutrients, not only affect the growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport:
1. Ca, K, Na
2. Co, Ni, Mo
3. Mn, Co, Ca
4. Cu, Mn, Fe
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology