DAY – 44 ( INSTA REVISION TEST – 44)INSTA REVISION PLAN 3.0, 2021

Solution: A
Compared to other plants mangroves differ visually especially by their famous and typical aerial roots and biologically through the ability to grow in saline areas.

Aerial roots are roots with abilities such as enabling primary gas exchange in oxygen-poor soils.

Solution: C

Along with the Karbi Anglong plateau, the Meghalaya plateau (comprising Garo, Khasi and Jaintia hills) is separated from the Chotanagpur plateau (part of peninsular India ) by Malda fault (in Bengal).

Solution: C

Solution: A

Solution: B

Solution: C

Anticyclone is a region where the atmospheric pressure is high compared with that of adjacent areas. In the northern hemisphere the general wind circulation is clockwise round the anticyclone, while in the southern hemisphere it is anticlockwise. The extents are generally large and the effects are also pronounced.

Solution: C

Volcanic landforms

Intrusive Forms

• Sills: When an intrusion of molten magma is made horizontally along the bedding plains of sedimentary rocks, the resultant intrusions is called a sill.
• Dykes: Intrusions when injected vertically as narrow walls igneous rocks within the sedimentary layers are termed as dykes.
• Laccolith: It is large blister of igneous mound with a dome-shaped upper surface and a level base fed by a pip-like conduit from below.
• Lopolith: A lopolith is another variety of igneous intrusions with a saucer shape.
• Phacolith: It is a lenses-shaped mass of igneous rocks occupying the crest of an anticline or the bottom of a syncline and being fed by a conduit from beneath.
• Batholith: It is a huge mass of igneous rocks, usually granite, which after removal of the overlying rocks forms a massive and resistant upland region.

Solution: A

Inversion of temperature

Normally, temperature decreases with increase in elevation. It is called normal lapse rate. At times, the situation is reversed and the normal lapse rate is inverted. It is called Inversion of temperature.

Inversion is usually of short duration but quite common nonetheless. b

A long winter night with clear skies and still air is ideal situation for inversion.

The heat of the day is radiated off during the night, and by early morning hours, the earth is cooler than the air above.

Over polar areas, temperature inversion is normal throughout the year.

Surface inversion promotes stability in the lower layers of the atmosphere.

Smoke and dust particles get collected beneath the inversion layer and spread horizontally to fill the lower strata of the atmosphere.

Dense fogs in mornings are common occurrences especially during winter season.

This inversion commonly lasts for few hours until the sun comes up and beings to warm the earth.

Solution: D

Limestones can’t bear the heavy weight of Himalayas. The core is actually made of granite rocks.

Narmada is one of the rivers in India that flows in a rift valley, flowing west between the Satpura and Vindhya ranges.

The Deccan Plateau is a large triangular plateau, bounded by the Vindhyas to the north and flanked by the Eastern and Western Ghats.

This region is mostly semi-arid as it lies on the leeward side of both Ghats. Much of the Deccan is covered by thorn scrub forest scattered with small regions of deciduous broadleaf forest. Climate in the Deccan ranges from hot summers to mild winters.

Solution: A

Solution: D

Diphu Pass is a mountain pass around the area of the disputed tri-point borders of India, China, and Myanmar. Diphu Pass is also a strategic approach to eastern Arunachal Pradesh in India. It lies on the McMahon Line.

Solution: B

The extra tropical cyclone/Temperate cyclone differs from the tropical cyclone in number of ways.

• The extra tropical cyclones have a clear frontal system which is not present in the tropical cyclones.
  • They cover a larger area and can originate over the land and sea.
  • Whereas the tropical cyclones originate only over the seas and on reaching the land they dissipate.
• The extra tropical cyclone affects a much larger area as compared to the tropical cyclone.
• The wind velocity in a tropical cyclone is much higher and it is more destructive.

The extra tropical cyclones move from west to east but tropical cyclones, move from east to west.

Solution: D

GIAN aims at tapping the talent pool of scientists and entrepreneurs to engage with the institutes of higher education in India to augment the country’s existing academic resources, accelerate the pace of quality reforms, and further strengthen India’s scientific and technological capabilities.

Solution: C 

Eravikulam National Park is a national park located along the Western Ghats in the Idukki and Ernakulam districts of Kerala

It is largely known for Nilgiri Tahr.

Solution: D

Factors affecting ocean salinity are mentioned below:

(i) The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.

(ii) Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice.

(iii) Wind, also influences salinity of an area by transferring water to other areas.

(iv) The ocean currents contribute to the salinity variations. Salinity, temperature and density of water are interrelated.

Hence, any change in the temperature or density influences the salinity of water in an area.

Solution: C

Jute

Jute is used for making coarse cloth, bags, sacks and decorative items. It is a cash crop in West Bengal and adjoining eastern parts of the country. India lost large jute growing areas to East Pakistan (Bangladesh) during partition. At present, India produces about three-fifth of jute production of the world. West Bengal accounts for about three-fourth of the production in the country. Bihar and Assam are other jute growing areas. Being concentrated only in a few states, this crop accounts for only about 0.5 per cent of total cropped area in the country.

It is known as the golden fibre. Jute grows well on well-drained fertile soils in the flood plains where soils are renewed every year. High temperature is required during the time of growth.

Climate Required for Jute Cultivation: Jute crop grows well in rainfed, moderate, warm humid atmosphere and sunshine conditions. 25°C to 30°C is ideal for jute cultivation. Jute cultivation requires about 160 cm to 200 cm rainfall. Humid weather will result in good yield.

Soil Requirement for Jute Cultivation:- River basins or alluvial or loamy soils are best for jute cultivation. Jute cultivation in red soils may require high dose of manure and PH range between 4.8 and 5.8 is best for its cultivation.

Solution: B

Solution: D

Molasses and beet pulp are by-products of the sugar industry. Every tonne of processed cane or beet will lead to the production of molasses, the by-product from which no additional sugar can be obtained by further crystallisation.

Molasses still contains a substantial amount of sugar. It is also characterised by the richness in chemical elements which can be exploited for a variety of purposes. Beet pulp remaining after the extraction of sugar from beet is a good source of highly digestible fibre and energy, used for animal feeding. Molasses and beet pulp are mostly used domestically but about 7% of world output of molasses and 15% of global beet pulp production are exported to the world market.

Benefits

• Bagasse can be used as biomass fuel for the generation of energy.
• Molasses can be used as one of the feedstocks for the production of fertilizers.
• Molasses can be used for the production of ethanol.

Solution: B

The Sentinelese, also known as the Sentineli and the North Sentinel Islanders, are an indigenous people who inhabit North Sentinel Island in Andaman and Nicobar Islands froup in the Bay of Bengal in India. They are considered one of the world’s last uncontacted peoples. Hence, statement 1 is incorrect.

Irula are a Dravidian ethnic group inhabiting the area of the Nilgiri mountains, in the states of Tamil Nadu and Kerala, India. A scheduled tribe, their population in this region is estimated at 25,000 people. People of Irula ethnicity are called Irular, and speak Irula, which belongs to the Dravidian family. Hence, statement 2 is correct.

The Gaddis are a tribe living mainly in the Indian state of Himachal Pradesh and the union territory of Jammu and Kashmir. Hence, statement 3 is correct.

Solution: D

Solution: A

Hence, option (a) is correct.

Solution: A
Sattriya dance form was introduced in the 15th century A.D by the great Vaishnava
saint – Sankaradeva. The word Sattriya is derived from Sattra the place of its birth.

It was once a domain of male monks at the sattras, now it is performed by both men and women.
It is governed by strictly laid down principles in respect of hastamudras, footworks, aharyas, music etc. The costumes are usually made of pat – a silk produced in Assam which is derived from the mulberry plant and woven with intricate local motifs. Pre-dating what has been popularly regarded as the first war of independence in 1857, the Paika Bidroha (Paika Rebellion) of 1817 in Odisha briefly shook the foundations of British rule in the eastern part of India.

Paikas were essentially the peasant militias of the Gajapati rulers of Odisha who rendered military service to the king during times of war while taking up cultivation during times of peace. They unfurled the banner of rebellion against the British under the leadership of Baxi Jagandhu Bidyadhara as early as 1817 to throw off the British yoke.

Solution: D
VoLTE stands for voice over Long Term Evolution. Utilising IMS technology, it is a digital packet voice service that is delivered over IP via an LTE access network. Voice calls over LTE are recognised as the industry-agreed progression of voice services across mobile networks, deploying LTE radio access technology.

Who is VoLTE valuable for?
· Operators;
· OEMs;
· Network vendors;
· Partners; and
· Consumers.

What are the benefits of VoLTE?

• The implementation of VoLTE offers many benefits, both in terms of cost andoperation.
  · Provides a more efficient use of spectrum than traditional voice;
  · Meets the rising demand for richer, more reliable services;
  · Eliminates the need to have voice on one network and data on another;
  · Unlocks new revenue potential, utilising IMS as the common service platform;
  · Can be deployed in parallel with video calls over LTE and RCS multimedia
  services, including video share, multimedia messaging, chat and file transfer;
  · Ensures that video services are fully interoperable across the operator
  community, just as voice services are, as demand for video calls grows;
  · Increases handset battery life by 40 per cent (compared with VoIP);
  · Delivers an unusually clear calling experience; and
  · Provides rapid call establishment time.

Solution: A

Alaska current and Auglhas current are warm current.

Solution: D

A mature tropical cyclone is characterized by the strong spirally circulating wind around the centre, called the eye. The diameter of the circulating system can vary between 150 and250 km.

The eye is a region of calm with subsiding air. Around the eye is the eye wall, where there is a strong spiraling ascent of air to greater height reaching the tropopause. The wind reaches maximum velocity in this region, reaching as high as 250 km per hour. Torrential rain occurs here. From the eye wall rain bands may radiate and trains of cumulus and cumulonimbus clouds may drift into the outer region. The diameter of the storm over the Bay of Bengal, Arabian sea and Indian ocean is between 600 – 1200 km. The system moves slowly about 300 – 500 km per day. The cyclone creates storm surges and they inundate the coastal low lands. The storm peters out on the land.

Solution: D

The pattern of the series is,
3*2 + 1 = 7
7*2 + 2 = 16
16*2 + 3 = 35
35*2 + 4 = 74
74*2 + 5 = 153
74 is the missing number.

Solution: A

Hence, Deepa is at the second left of Prakash.

Solution: A

Priti is sitting exactly opposite of Deepa

Solution: B

Deepa and Mukesh are immediate neighbours of Pankaj.

Solution: A

Priti is sitting immediate right to Lalit.