Which one of the following statements is NOT true about evolution?
Which one of the following is known as the energy currency of a cell?
An analysis of a soil sample revealed 0.1 mg of a pesticide, and 1 mg of the same pesticide was found in grains. However, in the adipose tissue of birds, the concentration was 2 mg. The reason for this the phenomenon of
Diseases that spread by vectors such as mosquitoes are
Which one of the following is the correct route for passage of sperms?
Suggest which among the following is NOT a function attributed to endoplasmic reticulum.
In the nitrogen cycle, atmospheric nitrogen is fixed by bacteria and converted into ammonia. Ammonia is further converted into other forms of nitrogen. At the end of the cycle, it returns to the atmosphere by the process of
Cell organelles that are involved in the waste disposal system of the cell are
The sequence of events which occur in a reflex action is:
The movement of food in the digestive tract is due to
A pea plant with round green (RRyy) pea seed is crossed with another pea plant with wrinkled yellow (rrYY) seeds. What would be the nature of the seeds in the first generation (F1 generation)?
Some organisms are sensitive to different levels of air pollution and are used as pollution indicators. Suggest which among the following fits into the category.
A group of laboratory mice having tails are bred together and their progeny studied. The progeny had tails. However, scientists surgically removed the tails of the progeny and again bred them for four successive generations. What do you think would be the nature of the new progeny?
Which of the following statements is NOT correct?
Which of the following options lists all examples of matter?
Two identical beakers labeled as (X) and (Y) contain 100 cm3 of water each at 20oC. To the water in the beaker (X), 100 g of water at 0oC was added and stirred to mix thoroughly. To the beaker (Y), 100 g of ice at 0oC was added and stirred till it melted into water. The water in the beaker (Y) will be
At 283 K a saturated solution of solid X can be prepared by dissolving 21.0 g of it in 100 g of water. The maximum amount of X which can be dissolved in 100 g of water at 313 K is 62.0 g. An attempt is made to dissolve 50.0 g of X in 100 g of water at 313 K. (A) All the 50.0 g of X will dissolve at 313 K. (B) At 313 K 29.0 g of X will remain undissolved. (C) Solubility of X decreases with increase of temperature. (D) On cooling the solution of X from 313 K to 283 K, he quantity in excess of 21.0 g of X will crystallise out. Which of the above statements are correct?
Two elements A and B contain 13 and 8 protons, respectively. If the number of neutrons in them happen to be 14 and 8, respectively, the formula unit mass for the compound between A and B would be
An atom of an element (X) has its K, L and M shells filled with some electrons. It reacts with sodium metal to form a compound NaX. The number of electrons in the M shell of the atom (X) will be
Which of the following represents the correct order of the acidic strength for equimolar aqueous solutions of HCl, H2SO4, NH4OH and NaOH?
Metals like sodium, potassium, calcium and magnesium are extracted by electrolysis of their chlorides in molten state. These metals are not extracted by reduction of their oxides with carbon because
(a) reduction with carbon is very expensive (b) carbon readily makes alloy with these metals (c) carbon has less affinity for oxygen than these metals (d) carbon is weaker reducing agent than these metals
An organic compound is a clear liquid having a molecular formula C4H8O. It has an open chain structure without any carbon-carbon double bond. The compound can be (a) an alcohol (b) an ester (c) an aldehyde (d) a ketone
A car is moving with a constant speed of 70 km/hr. Which of the following statements is correct?
Stethoscope used by doctors for finding quality, strength and frequency of human heartbeat is based on the principle of
Which of the following statements is correct?
Which one of the following statements best describes the nature of the field lines due to a bar magnet?
A star produces its energy through the process of
In how many ways can you partition 6 into ordered summands? (For example, 3 can be partitioned in 3 ways as: 1 + 2, 2 + 1, 1 + 1 + 1)
The number of integers n (< 20) for which n2 - 3n + 3 is a perfect square is
For positive x and y, the LCM is 225 and HCF is 15. There
In ΔABC, angle B is obtuse. The smallest circle which covers the triangle is the
Which of the numbers can be expressed as the sum of squares of two positive integers, as well three positive integers?
If P is a point inside the scalene triangle ABC such that ΔAPB, ΔBPC and ΔCPA have the same area, then P must be
If the line segments joining the midpoints of the consecutive side of a quadrilateral ABCD form a rectangle then rectangle ABCD must be
C1 and C2 are two circles in a plane. If N is the total number of common tangents, then which of the following is wrong?
Consider the following events related to the French Revolution and identify the correct chronological response from the options given thereafter: (a) Convocation of Estates General (b) Storming of the Bastille (c) Peasant revolts in the countryside (d) Third Estate forms National Assembly
Consider the following statements and identify the correct response from the options given thereafter: (a) The colonies in the Caribbean were important suppliers of tobacco, indigo, sugar and coffee. (b) The slave trade began in the 15th century. (c) French port cities like Bordeaux and Nantes owed their economic prosperity to the flourishing slave trade. (d) Slavery was finally abolished in the French colonies in 1848.
Match the List - I with List - II and select the correct response from the options given thereafter:
Consider the following statements and identify the correct response from the options given thereafter:
Statement I: Nazism became a mass movement after the Great Depression. Statement II: After 1929, banks collapsed and businesses shut down, workers lost their jobs and the middle classes were threatened with destitution.
Consider the following statements and identify the correct response from the options given thereafter: Statement I: According to the Criminal Tribes Act of 1871, nomadic pastoralists were forced to live only in notified village settlements. Statement II: Colonial state wanted to transform all grazing lands into cultivated farms.
Consider the following statements and identify the correct response from the options given thereafter: (a) Cricket, in Victorian England, was an all season leisure game for aristocrats. (b) The captain of the team was traditionally a batsman in Victorian England as amateurs played only as batsmen. (c) Len Hutton was the first professional Yorkshire batsman to lead the English test team. (d) There was a clear social hierarchy between the batsmen and the bowlers in Victorian England.
Consider the following statements and identify the correct response from the option given thereafter:
Statement I: Campaign for dress reforms by women started with the development of the suffrage movement. Statement II: Dress reform emphasised differences between men and women and established the status of women as obedient and dutiful.
Statement I: Schools became an important place for political and cultural battles in Vietnam under the French rule. Statement II: Teachers did not blindly follow the curriculum but sometimes modified the text and criticised what was stated.
Statement I: In 1921, as the Non-cooperation movement spread, houses of talukdars were looted and merchants were attacked. Statement II: Mahatma Gandhi had declared that tax was not to be paid and land was to be redistributed amongst the poor.
Statement I: In Victorian Britain, the upper classes – the aristocrats and the bourgeoisie – preferred things produced by machine. Statement II: Machine goods were mass produced and were easily available.
Statement I: In the 19th century, London was a colossal city. Statement II: London had many large factories.
Consider the statement given below and select the correct explanation from the responses given thereafter:
People of depressed classes found it difficult to find housing in Bombay during the late nineteenth century.
In 1878 the Vernacular Press Act was passed.
By the 18th century, which of the following commodities were produced on large plantations in America by slave labour and exported to other countries?
My stems are succulent; my leaves are mostly thick. I am largely found in
Assertion (A): Since 1981, growth rate of population in India has started declining gradually. Reason (R): Birth rate is declining.
Select the correct option from the given alternatives.
Identify the right pair from the following:
Which of the following is the reason for the peninsular part of India experiencing peak summers earlier than northern India?
National Highway-7 is the longest national highway in India, which traverses between Varanasi and Kanya Kumari. Identify the places on route from North to South.
A major line of latitude that passes through Mizoram also passes through which one of the following state?
Identify the state from the given names which has all the following characteristics:
A. Its annual rainfall is 200-400 cm. B. Most of the area is covered with alluvial soil. C. Rice is the predominant crop of this state.
Match the places with altitude.
What was the local time in Tokyo situated at 139o45' East longitude, when the President of India was hosting the Indian National Flag in the presence of Japanese Prime Minister at 10 a.m. in New Delhi? (The viewers in Japan were watching live telecast of this event.)
Which of the following statements about democracy in the contemporary world are correct?
A. Democracy expanded throughout the 20th century. B. Democracy did not spread evenly throughout the world. C. All the member states of the International Monetary Fund (IMF) are democracies. D. All the permanent members of the United Nations Security Council are democracies.
Match the following:
The Parliament of India consists of the
Which of the following is not a feature of a democratic form of government?
Which of the following institutions have reserved seats for women?
A. Lok Sabha B. Rajya Sabha C. Legislative Assemblies D. Municipalities E. Panchayats
The following are major changes that occurred in agriculture in the post-Independent India:
A. Use of high yielding variety (HYV) seeds B. Introduction of genetically modified (GM) crops C. Application of chemical fertilisers and pesticides D. Organic farming
Which of the above signify Green Revolution of late 1960s and 1970s?
Information relating to which of the following aspects is used to determine the human development in a country?
A father in a farm produces 100 kg of paddy in one acre of land during every season. One year, his son joined him in farming. Which of the following definitely indicates discussed unemployment?
How membership in a self help group helps a poor rural woman?
Though consumers in India have the right to information about the product he/she purchases, which of the following aspects of a product, the producer need not inform the consumer?
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