Which of the following plants is used as green manure in crop fields and in sandy soils?
- ASaccharum munja and Lantana camara
- BDichanthium annulatum and Azolla nilotica
- CCrotalaria juncea and Alhagi camelorum
- DCalotropis procera and Phyllanthus niruri
Explore More
Similar Questions
Which of the following options shows the correct correlation between column $I$,$II$,and $III$?
Column $I$ Column $II$ Column $III$ $A$. Calcium $I$. Required for ionic balance $(i)$. Grey blot on leaves $B$. Boron $II$. Essential for constitution of nucleic acid $(ii)$. Fruit-yield decreases $C$. Phosphorus $III$. Required for absorption of calcium $(iii)$. Red blot on leaves $D$. Chlorine $IV$. Required to activate respiratory enzyme $(iv)$. Fruit-size diminishes $E$. Manganese $V$. Required for synthesis of mitotic spindle $(v)$. Young root tip begin to die
| Column $I$ | Column $II$ | Column $III$ |
| $A$. Calcium | $I$. Required for ionic balance | $(i)$. Grey blot on leaves |
| $B$. Boron | $II$. Essential for constitution of nucleic acid | $(ii)$. Fruit-yield decreases |
| $C$. Phosphorus | $III$. Required for absorption of calcium | $(iii)$. Red blot on leaves |
| $D$. Chlorine | $IV$. Required to activate respiratory enzyme | $(iv)$. Fruit-size diminishes |
| $E$. Manganese | $V$. Required for synthesis of mitotic spindle | $(v)$. Young root tip begin to die |
Medium
View SolutionChoose the incorrect sentence.
Medium
View SolutionWhich of the following is a free-living nitrogen-fixing bacterium?
Medium
View SolutionMatch the following columns correctly:
Column $I$ Column $II$ $(a)$ Boron $(p)$ For $CO_2$ transport $(b)$ Copper $(q)$ Essential for nitrogen fixation $(c)$ Molybdenum $(r)$ Essential for sugar translocation in plants $(d)$ Chlorine $(s)$ Essential for chlorophyll synthesis in plants
| Column $I$ | Column $II$ |
| $(a)$ Boron | $(p)$ For $CO_2$ transport |
| $(b)$ Copper | $(q)$ Essential for nitrogen fixation |
| $(c)$ Molybdenum | $(r)$ Essential for sugar translocation in plants |
| $(d)$ Chlorine | $(s)$ Essential for chlorophyll synthesis in plants |
Medium
View SolutionIdentify the mismatched pair.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo