Clear UPSC IAS Prelims 2021 through 10000 MCQs: Most Probable Prelims Questions – New PDF Compilations of Important MCQs Also Available for Download. These questions will be highly useful for aspirants preparing as it covers both static and current topics. Clear UPSC IAS Prelims 2021 through 10000 Expected MCQs: Practice Solved Test 3
UPSC Prelims 2021 MCQs mainly covered from major newspapers / PIB / Yojana and analysis of previous year question papers. 10000 Most Probable Prelims Questions and Answers now available as PDF Compilation.
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1. Recently, ISRO has announced to provide navigational support to Indian Railways through GPS Aided Geo Augmented Navigation (GAGAN) system.
Consider the following regarding GAGAN:
1. It is an indigenous navigational guide system on the lines of GPS system jointly developed by ISRO and DRDO
2. Apart from Communication and navigation, one essential component of the GAGAN project is the study of the Ionospheric behaviour over the Indian region
Select the correct codes:
1. Only 1
2. Only 2
3. Both
4. None
2. Consider the following statements regarding two of the orthodox Schools of Hindu Philosophy, YOGA and SAMKHYA
1. Samkhya, among the six orthodox schools of Hindu Philosophy is closely related to Yoga.
2. The first use of the root of word ‘YOGA’ is found in Rig Veda but its modern meaning is not relevant to Vedic description.
3. Along with Hinduism Yoga is also practiced in Buddhism, Jainism and Tantra Philosophy.
Choose the correct code:
1. 1 and 2
2. 2 and 3
3. 1, 2 and 3
4. 1 and 3
3. ‘Ideally, under a global warming scenario the land temperature should increase greatly in the hot summers and serve as a strong monsoon driver’. But in Indian subcontinent the opposite is happening and it is one of the causes of low rainfall in Monsoon season. What can be possible reasons for low rainfall in India subcontinent?
1. A strong warming of Indian Ocean that reverses the Land-Sea Thermal Gradient.
2. Increase in land-sea temperature difference due to suppressed warming over the Indian land mass because of increased aerosol levels.
3. A warming Indian Ocean has resulted in surplus rains over the ocean at the cost of the monsoon rains over land, simultaneously drying the Indian subcontinent.
Select the correct codes:
1. 1 and 2
2. 2 and 3
3. 1 and 3
4. All
4. Consider the following statements regarding Rock Cut architecture (caves) of Badami
1. It is the oldest Rock Cut Architecture of India after Barabar Caves of Bihar and Ajanta Caves of Maharashtra
2. The caves incorporates two faiths i.e Hinduism and Buddhism only
3. Jainism faith is also found in the rock cut caves of Badami
Select the correct codes:
1. 1 and 2
2. Only 2
3. Only 1
4. Only 3
5. Consider the following statements with respect to LEGUMES:
1. Legumes have an ability to fix nitrogen from the atmosphere
2. Legumes help in increasing soil fertility
3. Legumes are highly nutritive but also contain anti-nutrients that are harmful
Select the correct codes:
1. 1 and 2
2. 2 and 3
3. 1, 2 and 3
4. Only 1
Solution: 3
6. ‘Bhama Kalapam,’ ‘Parvathi Parinayam’ and ‘Bhakta Prahlada’ are related to which of the dance forms
1. Kathakali
2. Kuchipudi
3. Bharatnatyam
4. Odissi
7. Indian ranks third in World Doping Report published by WADA. Consider the following statements w.r.t Doping-
1. Blood doping is the practice of boosting the number of white blood cells in the bloodstream in order to enhance athletic performance.
2. PerflouroCarbons (PFCs) are chiefly used as Blood substitutes for Blood doping agents.
3. Gene doping is the therapeutic use of cells, genes, genetic elements, or of the modulation of gene expression, having the capacity to improve athletic performance.
Select the correct codes:
1. 1 and 2
2. Only 1
3. 2 and 3
4. 1, 2 and 3
8. ‘Recently Indian Government has given nod for the disinvestment of NTPC and IOC’. Consider the following statements with respect to National Investment Fund created under disinvestment policy-
1. It is maintained outside Consolidated Fund of India
2. The utilization of funds is done only for the funding of social sector scheme.
3. NIF funds can be utilized for the Recapitalization of public sector banks and investment in Indian Railways towards capital expenditure
Which is/are the correct codes?
1. 1 and 2
2. Only 2 and 3
3. Only 1
4. 1 and 3
9. Consider the statements with respect to warm blooded and cold blooded animals:
1. A cold-blooded animal can convert much more of its food into body mass compared with a warm-blooded animal.
2. Warm blooded animals require much less energy than cold blooded to survive.
3. Cold blooded animals have stronger immune system than warm blooded due to capacity to regulate their body temperature
Select the correct codes:
1. Only 1
2. 2 and 3
3. 1 and 3
4. All
10. National Green Tribunal has banned the burning of garbage around Delhi-Near Capital Region recently. Some of the pollutants contained in the smoke from open burning of garbage can include:
1. Dioxins
2. Furans
3. Arsenic
4. Mercury
5. PCBs
6. Lead
Choose the correct options
1. 1, 2, 3, 4 and 5
2. 1, 2, 3, 5 and 6
3. 1, 3 and 5
4. All
11. Consider the following statements with respect to Permanent Account Number (PAN)?
1. Unlike the Aadhaar Number and Driving License, it is issued to foreign nationals.
2. It is accepted as Proof for Indian Citizenship
Choose the correct code/s
1. Only 1
2. Only 2
3. Both
4. None
12. Iodine-125 has significant applications in medicines. Consider the following statements
1. It is used in treatment of cancer
2. It can be used for treating retinoblastoma, a rare form of eye cancer
3. It is produced from nuclear reaction using Xenon
Identify the correct statements:
1. 1 and 2
2. Only 2
3. 1, 2 and3
4. 1 and 3
13. Aditya-1 is a spacecraft, whose mission is to study the ‘Sun’. It will study?
1. Sun’s corona
2. Sun’s photosphere
3. Sun’s chromospheres
Select the correct code
1. 1 only
2. 1 and 3
3. 2 only
4. All
14. With reference to ‘Phyto-chemicals’, consider the following:
1. These are chemical compounds, naturally occurring in plants and animals.
2. They posses antioxidant and hormone like activity.
3. They can be found in apples, tea and carrot
4. They have potential to treat cancer, cardiovascular diseases, diabetes etc
Select the correct codes
1. 1, 2 and 3
2. 1, 2 and 4
3. 2, 3 and 4
4. 1, 2, 3 and 4
15. Which of the following international agreement is/are related to ‘Engineering’?
1. Washington Accord
2. Sydney Accord
3. Dublin Accord
Select the correct code
1. 1 and 2
2. 2 and 3
3. Only 1
4. 1, 2 and 3
16. With reference to Light Water Reactor, consider the following:
1. Pressurized water reactor and boiling water reactor is a subtype of LWR
2. The fuel used is of liquid form of Uranium-235
3. Normal water is used as coolant and moderator
Correct statement is/are
1. 1 and 2
2. Only 1
3. Only 2
4. 1 and 3
17. Bollgard technology is associated with which crop?
1. Cotton
2. Wheat
3. Rice
4. Pulse
Solution- Cotton
18. ‘Globally, Preterm Birth (PTB) is the single largest cause of neonatal deaths’. Consider the following statements wrt PTB
1. A birth that takes place before the mother has been pregnant for 7 months construes a preterm birth.
2. India has the highest number of PTB worldwide.
3. Major reason of PTB is the lack of healthcare facilities in the country.
Identify the incorrect statement/s
1. Only 3
2. 1, 2 and 3
3. 1 and 3
4. 1 and 2
19. With reference to Indian livestock, what are ‘Gramapriya and Vanaraja’?
1. A breed of Chicken
2. A breed of Goat
3. Gramapriya is a breed of Chicken and Vanaraja is a breed of Goat
4. None
20. Consider the following ‘Deserts’ of the world:
1. Namib
2. Colorado Plateau
3. Kalahari
4. Atacama
5. Great Victoria
6. Patagonian
Which can be categorized in cold desert?
1. 1,2,3, 5 and 6
2. 2, 3 ,5 and 6
3. 1,2,4,5 and 6
4. 1, 2 ,4 and 6
21. Consider the following with respect to fundamental forces on Earth.
1. The range of Gravitational and Electromagnetic Force are almost equal in nature.
2. Gravitational Force is a strong force as compared to Weak Nuclear force.
Select the correct statement/s
1. Only 1
2. Only 2
3. Both
4. None
22. Consider the following statements:
1. Law of Gravitation at the Moon is One-Sixth that at the Earth.
2. Acceleration due to gravity is the same both on the Moon and the Earth.
Select the correct statement/s
1. Only 1
2. Only 2
3. Both
4. None
23. It is said that Ancient Indian science had contributed significantly in various aspects of scientific advancement. Consider the following with respect to the development of science in Ancient India
1. The difference between Wave and Current was fully understood in Ancient Indian science.
2. Ancient scientists were able to distinguish between various types of rotational, translational and vibrational motions.
Select the correct code/s
1. Only 1
2. Only 2
3. Both
4. None
24. Amongst the following, the examples of ‘Contact Forces’ are:
1. Electromagnetic Force
2. Gravitational Force
3. Frictional Force
4. Air resistance
5. Viscous Force
Select the correct code
1. 1, 3, 4 and 5
2. 1, 2 and 3
3. 3, 4 and 5
4. 1, 2, 4 and 5
25. Carbohydrates are vital source of energy for any living organism. Consider the following with respect to various types of energy resources in plants and animals.
1. Glycogens are solely coming from animals, specifically made by the liver and the muscles, while the starch solely comes from the green plants and staple foods like potatoes and cassavas.
2. Cellulose occurs exclusively in plants and it is the most abundant organic substance in plant kingdom.
3. Human store glucose as Starch as well as Gycogens coming from plants and animals respectively.
Select the correct code/s:
1. 1 and 2
2. 1 and 3
3. Only 3
4. 1, 2 and 3