Thiobacillus is a group of bacteria helpful in carrying out:
1. Denitrification
2. Nitrogen fixation
3. Chemoautotrophic fixation
4. Nitrification
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following bacteria reduce nitrate in soil into nitrogen ?
1. Nitrobacter
2. Thiobacillus
3. Nitrococcus
4. Nitrosomonas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe product(s) of the reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are.
1. Nitrate alone
2. Ammonia and oxygen
3. Ammonia and hydrogen
4. Ammonia alone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following concerning essential elements and their functions in plants :
(a) Iron (i) Photolysis of water
(b) Zinc (ii) Pollen germination
(c) Boron (iii) Required for chlorophyll biosynthesis
(d) Manganese (iv) IAA biosynthesis
Select the correct option:
(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (iii) (iv) (ii) (i)
3. (iv) (i) (ii) (iii)
4. (ii) (i) (iv) (iii)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Glycine max, the product of biological nitrogen fixation is transported from the root nodules to other parts as:
1. Ammonia
2. Glutamate
3. Nitrates
4. Ureides
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following elements helps in maintaining the structure of ribosomes?
1. Magnesium
2. Zinc
3. Copper
4. Molybdenum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch Column-I with Column- II.
Column I | Column II |
(a) Nitrococcus (b) Rhizobium (c) Thiobacillus (a) Nitrobactèr |
(i) Denitrification (ii) Conversion of ammonia to nitrite (iii) Conversion of nitrite to nitrate (iv) Conversion of atmospheric nitrogen to ammonia |
Choose the correct answer from the options given below.
(a) (b) (c) (d)
1. (iii) (i) (iv) (ii)
2. (iv) (iii) (ii) (i)
3. (ii) (iv) (i) (iii)
4. (i) (ii) (iii) (iv)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyList I | List II | ||
(a) | Manganese | (i) | Activates the enzyme catalase |
(b) | Magnesium | (ii) | Required for pollen germination |
(c) | Boron | (iii) | Activates enzymes of respiration |
(d) | Iron | (iv) | Functions in splitting of water during photosynthesis |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (ii) | (iv) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iv) | (i) | (ii) | (iii) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following process is responsible for the release of \(N_2\) in the atmosphere?
1. Industrial Nitrogen fixation
2. Ammonification
3. Denitrification
4. Biological nitrogen fixation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology