Fronts and Weather Conditions

Q.

It May Rain Today Or It Might Rain Today. Which Is Correct

Q.

The timings of sunrise and sunset changes throughout the year.

1. False
2. True

Q.

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

1. morning

2. afternoon

3. night

4. evening

Q.

Who prepared weather report?

Q. The climate of a desert is usually:

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

Q.

In which season is humidity generally more?

Q. Why do we feel miserable in the afternoon but comparatively better in the morning during summers?

Q.

Sunset and sunrise follow different time patterns throughout the year.

1. False

2. True

Q.

Weather condition of a place depends on temperature, humidity, rainfall etc.

1. True
2. False

Q. Explain in brief about the climate of a desert. [3 MARKS]

Q. Question 3
Which of the following briefly describes the desert climate?

(a) Hot and humid
(b) Dry and humid
(c) Hot and dry
(d) Hot and wet

Q.

The maximum and minimum temperature displayed daily in the weather bulletin refer to the – (a) highest day temperature and lowest night temperature of the day. (b) highest day temperature and highest night temperature of the month. (c) the temperature recorded at 12 noon and at midnight (00.00 hrs). (d) the average highest temperature of the day and the average lowest temperature of night.

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. The first number represents average minimum temperature 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.

10. Change in weather takes place due to _______ of the sun.

Q. Which of the following factors affect the weather of a place?

1. Temperature
2. Rainfall
3. Air pressure
4. Winds
5. Humidity
6. Flora
7. Fauna
8. Proximity to sea

Q.

Humidity in air is generally high in

1. summer

2. winter

3. monsoon

4. all the seasons

Q.

Humidity remains the same in all places.

1. True
2. False

Q. Assertion :Areas near the equator receive rainfall throughout the year. Reason: High Temperature and high humidity cause conventional rain in most afternoons near the equator.

1. Both A and R are true but R is the correct explanation of A
2. Both A and R are true but R is not a correct explanation of A
3. A is true but R is false
4. A is false but R is true

Q.

Why do farmers use plant growth regulators?

1. To control maturity and size of fruit

2. To manage fruit size, shape and maturity level of fruit

3. To control maturity and shape of fruit

4. To manage the fruit size and shape of the fruit

Q. To some extent viability of pollen grains depends on prevailing temperature and humidity.

1. True
2. False

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. Which of the following factors affect the weather of a place?

1. Temperature
2. Rainfall
3. Air pressure
4. Winds
5. Humidity
6. Flora
7. Fauna
8. Proximity to sea

Q. The following graph represents the organismic response to certain environmental condition (e.g. temperature):
(i) Which one of these, 'a' or 'b', depicts conformers?
(ii) What does the other line graph depict?
(iii) How do these organisms differ from each other with refernce to homeostasis ?

Q.

The timings of sunrise and sunset changes throughout the year.

1. True
2. False

Q.

"All the changes in the weather are caused by the Sun." Do you agree with this statement?​ If yes, Explain.

Q. Predication of weather is done by looking at the weather pattern of past years.

1. 10
2. 20
3. 30
4. 26

Q.

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

1. morning

2. night

3. evening

4. afternoon

Q.

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

1. True
2. False

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

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