MCQ
The male gamete is called:
- ✓Sperm
- BOva
- CEmbryo
- DZygote
✓
Answer
Correct option: A.
Sperm
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Richter scale measures the strength of earthquakes
(i) The damages from an earthquake are listed below.
2 people died
5 building roofs collapsed
12 building walls collapsed
What could be the likely reading on the richter scale for the earthquake?
(a) 4.8
(b) 5.4
(c) 6.5
(d) 7.3
(ii) Which of these statements is true about earthquake?
(a) Earthquakes can cause soil erosion.
(b) Most of the earthquakes occur in mountain regions.
(c) The location and duration of earthquakes can be predicted.
(d) Earthquakes are caused by the movement of underground plates.
| Richter scale measurement of the earthquake | Example of damages due to the earthquake |
| 3.0-3.9 | No damages but some vibrations felt |
| 4.0-4.9 | Cracks in windows, some unstable objects fall |
| 5.0-5.9 | Building walls may collapse. movement of furniture |
| 6.0-6.9 | Building roofs may collapse. loss of few lives |
| 7.0-79 | Cracks on ground, underground pipes broken, loss of many lives |
2 people died
5 building roofs collapsed
12 building walls collapsed
What could be the likely reading on the richter scale for the earthquake?
(a) 4.8
(b) 5.4
(c) 6.5
(d) 7.3
(ii) Which of these statements is true about earthquake?
(a) Earthquakes can cause soil erosion.
(b) Most of the earthquakes occur in mountain regions.
(c) The location and duration of earthquakes can be predicted.
(d) Earthquakes are caused by the movement of underground plates.
Badal appeared in class test but he confused to know the correct statement. Would you help him to know that?
Assertion (A) Rocket and aeroplane has a sceciat body shape. i.e. streamlined shape.
Reason (R) Streamlined shape heips object to reduces friction drag between fluid and an object moving through it.
Reason (R) Streamlined shape heips object to reduces friction drag between fluid and an object moving through it.
Kharif crops are sown in:
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$ii.$ Eye lens becomes cloudy.
$iii.$ There is a loss of vision.
In which of the following are the above characteristics observed?
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$ii.$ Eye lens becomes cloudy.
$iii.$ There is a loss of vision.
In which of the following are the above characteristics observed?
$AIDS$ disease is caused by:
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Which of the following fuels has the lowest calorific value?
Which of the following is not provided to the soil by a chemical fertiliser?
In the given figure, the filter paper contains starch soaked in potassium iodide solution is connected to the battery as shown. When we write on the wet paper, it has a blue black colour.
$i.$ Iodine is formed at the anode.
$ii.$ Iodine turns blue black in the presence of starch.
→$i.$ Iodine is formed at the anode.
$ii.$ Iodine turns blue black in the presence of starch.