Fronts and Weather Conditions

Q.

The timings of sunrise and sunset changes throughout the year.

1. True
2. False

Q. All changes in the weather on Earth are caused by the _____.

1. asteroids
2. moon
3. Mars
4. Sun

Q.

The lowest temperature of a day generally occurs early in the ___________.

1. morning

2. night

3. evening

4. afternoon

Q. The climate of a desert is usually:

1. Hot and dry
2. Wet and cold
3. Rainy and humid
4. Dark and wet

Q. Relative Humidity is a measure of:

1. The amount of dust in air.
2. The amount of air dissolved in a water body.
3. The speed of water vapour.
4. The amount of water vapour in air.

Q.

Calculate the average minimum temperature and minimum humidity of a place from the given table (weather data of a week). Choose the correct option of the first number represents average minimun tempereature and the second number represents average minimum humidity.

$\begin{array}{ccccc}Date& \text{Max.~Temp.}{}^{o}C& \text{Min.~Temp.}{}^{o}C& \text{Min.~Humidity(\%)}& \text{Max.~ Humidity(\%)}\\ 23-08-06& 36.2& 28& 54& 82\\ 24-08-06& 35.1& 27& 53& 84\\ 25-08-06& 37.4& 27& 54& 87\\ 26-08-06& 38& 24& 58& 83\\ 27-08-06& 37.2& 23& 52& 79\\ 28-08-06& 34.9& 22& 51& 72\\ 29-08-06& 35.5& 27& 52& 85\\ Average& 36.32& ?& ?& 81.71\end{array}$

1. 24.2 and 53.4

2. 25.4 and 53.4

3. 23.3 and 56.8

4. 23.3 and 54.6

Q.

The table below shows the relative humidity of a city over 5 days. On which day, did the city experience rainy weather?

$$\begin{array}{ccccc}{15}^{th}May& {16}^{th}May& {17}^{th}May& {18}^{th}May& {19}^{th}May\\ 60\%& 40\%& 62\%& 98\%& 74\%\end{array}$$

1. 18^th May

2. 19^th May

3. 17^th May

4. 16^th May

Q.

Difference in air pressure is a reason for movement of wind.

1. True
2. False

Q.

The lowest temperature of a day generally occurs early in the ___________.

1. morning

2. afternoon

3. night

4. evening

Q.

The timings of sunrise and sunset changes throughout the year.

1. False
2. True