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Note: Make sure you prepare relevant concepts without going deep. Otherwise the deeper you go the weirder life gets. Remember this Funda
Let us see previous year’s questions
| Fruits stored in a cold chamber exhibit longer storage life because (2013)
(a) exposure to sunlight is prevented Solution: C |
| Many transplanted seedlings do not grow because (2013)
(a) the new soil does not contain favorable minerals Solution: C |
Note: Current affair is never ending. But it has enough content to assure that UPSC will not frame questions from sky. See these questions from recent current affairs.
| Recently a ban on burning of tires was making news. Consider the statement with reference to it.
1. It cannot cause cancer. 2. It releases SO2, CO2 and oxides of nitrogen 3. It can result in mutation 4. It can emit toxic aromatic hydrocarbons Correct code/s (a) 1 and 4 (b) 2,3 and 4 (c) 2 and 4 (d) 1,2,3 and 4 Answer: 1,2,3 and 4 |
| Which among the following are ‘Nocturnal’ in nature?
1. Bat 2. Catfish 3. Kiwi 4. Koala Correct Codes (a) 1,2 and 3 (b) 1,3 and 4 (c) 1,2,3and 4 (d) Only 1 Answer: C |
| Consider the following plants:
1. Rhodendron 2. Rose 3. Mulberry 4. Curry leaf Plant Which of these plants are propagated by stem cuttings? (a) 1 and 2 (b) 2 and 3 (c) 1, 2 and 4 (d) 1,2,3 and 4 Answer: 1,2,3 and 4 |
| 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 Correct codes (a) 1,2 and 3 (b) 1,2 and 4 (c) 2,3 and 4 (d) 1,2,3 and 4 Answer: 2,3 and 4 |
Note: NCERT texts and newspapers are more than enough for this.
|
A married couple adopted a male child, A few years later; twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is (2011) (a) O positive Solution. A |
| Which of the following statements is / are correct? (2013)
1. Viruses lack enzymes necessary for the generation of energy. Select the correct answer using the codes given below. (a) 1 only Solution: C |
Now check some questions from current affairs
| Consider the statements with reference to ‘Ebola Virus’
1. Fruit bats and animals like monkeys are natural hosts. 2. It spreads through direct contact with the blood, secretions, body fluids and aerosol transmission. 3. It can be diagnosed through electron microscopy and ELISA test only. Correct statement is/are (a) Only 1 (b) 1 and 2 (c) 2 and 3 (d) None Answer: None, Monkeys are not natural host. It is Fruit bat. It does not spread through Aerosol Transmission. And, it can be diagnosed through more methods also. |
| Which of the following can be as a result of ‘Malnutrition’?
1. Obesity 2. Marasmus 3. Kwashiorkar 4. Anorexia Correct Codes (a) 2 and 3 (b) 2,3 and 4 (c) 1,2 and 3 (d) 1,2,3 and 4 Answer: (d) |
| ‘Globally, Preterm Birth (PTB) is the single largest cause of neonatal deaths’. Consider the following statements with respect to 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 (a) Only 3 (b) 1, 2 and 3 (c) 1 and 3 (d) 1 and 2 Answer: (c ) |
Technology: Bio-technology, IT and Communication, Space Technology and Current Events
Illustration (2011 Prelims Questions Paper)
| What is the difference between a CFL and an LED lamp?
1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semiconductor material. Which of the statements given above is/are correct? (a) 1 only Solution: C |
Bio-Technology
Focus
Few Examples from Previous Year Question Paper’s
| A genetically engineered form of brinjal, known as the Bt-brinjal, has been developed. The objective of this is (2011)
(a) To make it pest-resistant Solution. A |
| Recombinant DNA technology (Genetic Engineering) allows genes to be transferred (2013)
1. Across different species of plants. 2. From animals to plants. 3. From microorganisms to higher organisms. Select the correct solution using the codes given below. (a) 1 only Solution: A |
Space and Communication Systems
Few Examples from Previous Year Question Paper’s
| Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when: (2011)
1. The orbit is geosynchronous. Select the correct answer using the codes given below: (a) 1, 2 and 3 only Solution: A |
IT and Communication Systems
Networks
Focus
Example (2011 Prelims Questions Paper):
| What is “Virtual Private Network”?
(a) It is a private computer network of an organization where the remote users can transmit encrypted information through the server of the organization (b) It is a computer network across a public internet that provides users access to their organization’s network while maintaining the security of the information transmitted (c) It is a computer network in which users can access a shared pool of computing resources through a service provider. (d) None of the statements (a), (b) and (c) given above is a correct description of Virtual Private Network Solution: B |
Note: This section can be answered if you are reading newspaper daily and would have searched internet for its basics when the word/article had appeared in the Newspaper.
Hence please don’t skip the Science & Technology article of ‘The Hindu’ every Thursday for recent developments.
Now, lets see how questions can be framed from Current Affairs (newspaper)
| The term ‘Polymorphism’ is associated with
1. Genetics 2. Material science 3. Computer science Correct Codes (a) 2 and 3 (b) Only 2 (c) 1 and 2 (d) 1,2 and 3 Answer: 1, 2 and 3 |
Sources to Prepare and points to remember
