Tag: evs - i

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Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Which of the following is NOT true for comets ?

  1. Some comets are believed to have originated in a region near the edge of the orbit of the outer planets in our solar system called the "scattered disk" that overlaps a region called the Kulper belt.

  2. Some comets are believed to have originated in the outer-most region associated with our solar system, called the Oort cloud.

  3. The tail of a comet gives the comet its propulsion, like rocket fuel out the back end of a rocket.

  4. The tails of a comet generally point away from the Sun and are made of two major parts - a dusty part (that curves a bit) and an ionic part.

  5. Comets of ten contain significant amount of water.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the outer Solar System, comets remain frozen and are extremely difficult or impossible to detect from Earth due to their small size. As a comet approaches the inner Solar System, solar radiation causes the volatile materials within the comet to vaporize and stream out of the nucleus, carrying dust away with them. The streams of dust and gas thus released form a huge, extremely tenuous atmosphere around the comet called coma, and sun's radiation pressure and solar wind cause the tail to point away from the Sun.

All the facts stated in the options are correct except for option C.
Correct answer is option C.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Asteroids orbit around the sun in belt_____________.

  1. beyond Uranus

  2. between Jupiter and Saturn

  3. between Jupiter and mars

  4. between Earth and Mars
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The asteroid belt is a region of space located between the orbits of Mars and Jupiter, containing the majority of the solar system's asteroids.

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

The tail of a comet always points__________ .

  1. towards the sun

  2. away from the sun

  3. towards north-east

  4. towards south-west
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The streams of dust and gas thus released from a huge extremely tenous atmosphere around the comet called coma and force exerted on coma by the sun's radiation pressure and solar wind cause an anormous tail form which points away from the sun

Multiple choice evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

Which of the following is NOT true for comets?

  1. Some comets are believed to have originated in a region near the edge of the orbit of the outer planets in our solar system called the "scattered disk" that overlaps a region called the Kuiper belt

  2. Some comets are believed to have originated in the outer-most region associated with our solar system, called the Oort cloud

  3. The tail of a comet gives the comet its propulsion, like rocket fuel out the back end of a rocket

  4. The tails of comets generally point away from the sun and are made of two major parts-a dusty part (that curves a bit) and an ionic part

  5. Comets often contain significant amounts of water
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In addition to celestial objects like $\textit{Comets}$, we also have  $\textit{Asteroids}$ which are small rocky bodies orbiting the sun and mostly found in the belt (region) between Mars and Jupiter. While there are also other asteroids lying beyond this region whose paths often come in close proximity with orbit of earth. \par Many a times collision between two asteroids, can result in small pieces breaking off from the bodies. These pieces are called $\textit{meteoroids}$. If a meteoroid enters the earth's atmosphere, it vaporizes and turns into a $\textit{meteor}$.

Multiple choice evs - i food for all agricultural development in india social and economic change food storage and conservation of environment

_____ means food production within the country, food imports and the previous year's stock stored in government granaries.

  1. Availability of food

  2. Availability of blood

  3. Availability of fun

  4. Availability of funds
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Availability of food means sufficient quantities of food with appropriate quality, supplied through domestic production or imports, including food aid. Availability of food grain is given by domestic production net of feed, seed and wastage plus net imports plus draw-down of stocks.

Multiple choice evs - i food for all agricultural development in india social and economic change food storage and conservation of environment

Which food security scheme was initiated for targeted poor people?

  1. TPDS

  2. RPDS

  3. AAY

  4. All of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Targeted Public Distribution System (TPDS) was introduced with effect from June 1997. The focus of the TPDS is on “poor in all areas”. Under the scheme, the government issues 10 kg of foodgrains per family per month for the population Below Poverty Line (BPL) at specially subsidized prices. 

Multiple choice evs - i food for all agricultural development in india social and economic change food storage and conservation of environment

Which is not a valid statement regarding food security in India?

  1. Overpopulation

  2. Hoarding and black marketing

  3. Foodgrains stores are overflowing with foodgrains

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Food security is a condition related to the supply of food, and individuals' access to it without sacrificing both its quality and quantity. Food grains are always at a deficit in India or compromised with its quality and quantity.

Multiple choice evs - i food for all agricultural development in india social and economic change food storage and conservation of environment

Which of the following is/are a Poverty Alleviation Programmes?

  1. Mid-Day Meals

  2. Antyodaya Anna Yojana

  3. Food-For-Work

  4. All of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Government has launched several Poverty Alleviation Programmes that comprise a component of food security. Some of these programmes are- Mid-Day Meals, Antyodaya Anna Yojana (AAY), and Food-For-Work (FFW) etc.