MCQ
What are coliforms?
- ✓a group of bacteria found in human intestine.
- Ba group of bacteria found in animal dung.
- Ca group of bacteria found in root nodules of lagumes.
- DNone of these
✓
Answer
Correct option: A.
a group of bacteria found in human intestine.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which functional group is present in carboxylic acid?
Which of the lenses with focal length 10 cm, 20 cm, 25 cm and 50 cm has maximum power?
Hypothalamus is a part of __________.
Sonika is working with the circuit shown in the following figure :
The circuit has two gaps: X and Y. She has wires of five different materials - I, II, III, IV and V. She knows that the bulb will light up only when both gaps are filled with conducting materials.
She records her observations in a table. After completing the experiment, ink fell on the paper and she lost entries in row 3.
Based on the rest of the information in the table, out of the following what could be the materials in row 3 ?
The circuit has two gaps: X and Y. She has wires of five different materials - I, II, III, IV and V. She knows that the bulb will light up only when both gaps are filled with conducting materials.
She records her observations in a table. After completing the experiment, ink fell on the paper and she lost entries in row 3.
| No. | Material in X | Material in Y | Bulb (On/Off) |
| 1 | I | II | Off |
| 2 | I | IV | On |
| 3 | Off | ||
| 4 | III | V | On |
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be...
The growth of a pollen tube towards the ovule is caused by __________.
Which of the following metals is highly malleable?
In the human eye, the image of an object is formed at the$..........$
→A student plots $V-I$ graphs for three samples of nichrome wire with resistances $R_1$, $R_2$ and $R_3$. Choose from the following the statements that holds true for this graph
→Which ray of light is present exactly at the middle of the spectrum obtained from white light?