Back to AI Flashcard MakerBiology /Biology NEET - XI: Chapter 12- Mineral Nutrition Part 3
Biology NEET - XI: Chapter 12- Mineral Nutrition Part 3
This flashcard deck covers key concepts from Chapter 12 of the Biology NEET curriculum, focusing on mineral nutrition and related deficiencies, absorption processes, and nitrogen fixation.
Heart rot of sugarbeet is caused due to the deficiency of
B
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Key Terms
Term
Definition
Heart rot of sugarbeet is caused due to the deficiency of
B
Hollow stem of cauliflower is caused due to the deficiency of
B
Loosening of inflorescence of cauliflower is caused due to the deficiency of
Mo
Whiptail of cauliflower is caused due to the deficiency of
B
Bronze colour of leaves is caused due to the deficiency of
Cl
Abscission of flowers is caused due to the deficiency of which elements?
Cl, N, S, Mo
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| Term | Definition |
|---|---|
Heart rot of sugarbeet is caused due to the deficiency of | B |
Hollow stem of cauliflower is caused due to the deficiency of | B |
Loosening of inflorescence of cauliflower is caused due to the deficiency of | Mo |
Whiptail of cauliflower is caused due to the deficiency of | B |
Bronze colour of leaves is caused due to the deficiency of | Cl |
Abscission of flowers is caused due to the deficiency of which elements? | Cl, N, S, Mo |
Deficiency of N, K and Mg are first seen in which parts of the plant? | Olderleaves |
Inhibition of cell division occurs due to the deficiency of which elements? | N, K, S, Mo |
Toxic concentration is that concentration of mineral element in plants which reduces the weight of the tissues by | 10% |
The appearance of brown spots surrounded chlorotic veins in plants signifies | Mn toxicity |
Excess of Mn may induce the deficiency of | Mg and Ca |
How are elements absorbed in plants in the first phase? | Passively |
How are elements absorbed in the second phase in plants? | Actively |
Which element is called the most critical element in plants? | Nitrogen |
What is diazotrophy? | Biological nitrogen fixation |
Does Rhodospirillum fix nitrogen aerobically or anaerobically? | Anaerobically |
Does Bacillus fix nitrogen aerobically or anaerobically? | Anaerobically |
Does azotobacter fix nitrogen aerobically or anaerobically? | Aerobically |
Does beijernickia fix nitrogen aerobically or anaerobically? | Aerobically |
Which symbiotic bacteria is found in the roots of Alnus? | Frankia |
Which bacteria help in ammonification of atmospheric nitrogen? | Bacillus |
Nitrites are formed by which bacteria? | Nitrococcus, nitrosomonas |
Nitrates are formed by which bacteria? | Nitrocysits and nitrobacter |
Which bacteria cause denitrification? | Thiobacillus and Pseudomonas |
What is the role of nitrate reductase? | Conversion of nitrates into ammonia |