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- Assuming the directions similar to those on the earth, which planet/planets will experience a sunrise in the west- Saturn, Venus
- The minimum distance between the sun and the earth occurs on- January 3
- On the day the sun is nearest to the carth, the earth is said to be in- perihelion
- The earth is at its maximum distance from the sun on- July 4
- Which of the statements does not prove the spherical shape of the earth- The shadow of the earth at the time of the solar
- What is the relationship between solar day and sidereal day- Solar day is longer than sidereal day
- One Astronomical Unit is the average distance between- Earth and the Sun
- How much of the surface of the moon is visible from the earth- about 59%
- What is the unit of measurement of the distances of stars- light year
- Light from the nearest star to solar system reaches the earth in- 4.3 years
- Which comet appears every 76 years- Hailey’s
- The moon’s period of revolution with reference to the sun is- equal to one synodic month
- We always see the same face of the moon because- it takes equal time for both revolution around the earth and rotation on its own axis.
- On which days do the spring tides occur- new moon and full moon
- What is a tidal bore- a high tidal wave moving upstream in the mouth of river
- Which will never get the vertical rays of the sun- Srinagar
- The longest day in Australia will be on- December 22
- The difference in the duration of day and night increases as one moves- from Equator to the poles
- Which place will experience sunlight for the longest period in summer- Srinagar
- The South Pole experiences continuous light at the time- winter solstice
- A person planning to travel by the shortest route should- the longitude
- A day is added when one crosses- 180° longitude from east to west
- The order of the layers in the atmosphere, upwards from below, is- troposphere, stratosphere, ionosphere and exosphere.
- Which layer of the atmosphere maintains an almost uniform horizontal temperature- stratosphere
- The thickness of the troposphere increases in- summer
- Fall in air temperature with increasing elevation is known as- lapse rate
- Where is the doldrums belt located- 5⁰ N – 5⁰ S of the equator
- What is the name given to winds blowing from subtropical high pressure regions, to the equator- tropical easterlies
- The stratosphere is said to be ideal for flying jet aircraft.This is because- of the absence of clouds and other weather phenomena
- Which factors do not affect the amount of insolation- surface temperature, rotation of earth
- The velocity of winds is governed by- pressure gradient
- Over which region is the temperature the highest near the tropopause- around the equator
- The factors responsible for change in season on the earth’s surface- revolution of the earth, rotation of the sun
- Identify the sedimentary rocks- limestone, shale
- Which is not a planetary wind- drainage winds
- How much pressure is exerted by the atmosphere at sea level- one kg per sq. cm
- What will happen if the temperature of water is lowered from 8°C to 3°C- the volume will first decrease, then increase
- Which is the shortest route from Moscow to San Fracisco- over the North Pole
- Which is a great circle- equator
- In which region can the phenomenon of midnight sun be observed- in the Arctic and Antarctic regions
- Farrel’s Law is concerned with the- direction of winds
- Blizzards are characteristic of- antarctic
- What is a cyclone- a low pressure system with anticlock-wise winds in the northern hemisphere
- What is an anticyclone- high pressure system with clockwise winds in the northern hemisphere
- What is a tornado- a very low pressure centre
- Snowfall occurs when- dew point of air is below freezing point
- The process of change of state of water from solid directly into vapour is called- sublimation
- When humidity is expressed as a percentage, it is called- relative humidity
- What is the vapour pressure- pressure only duc to vapour in the air
- What is measured by the sling psychrometer- humidity
- What is stated in terms of grams of water vapour per Kilogram of moist air- specific humidity
- The temperature at which an air parcel will become saturated with the present amount of water vapour is called- saturation point
