The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
44 questions from the UPSC 1999 examination.
44 questions
The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
Lathyrism is caused by excessive consumption of
For which one of the following is capillarity not the only reason?
Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of
Match List I (Naturally occurring substances) with List II (Elements) and select the correct answer using the codes given below the Lists: List I I. Diamond II. Marble III. Sand IV. Ruby List II A) Calcium B) Silicon C) Aluminium D) Carbon Codes:
In a factory, a quality-assurance test is conducted on various samples for a specific characteristic value of the product. The values and the number of samples are as given in the following table (table not reproduced here). Consider the following statements based on the table: I. The probability that X = 15 is 0.64. II. The probability that 13 < X = 17 is greater than 0.64. III. The probability that X = 15 is less than 0.22. Which of the above statements is/are NOT true?
Which one of the following genetic diseases is sex-linked?
Assertion (A): Dolly was the first cloned mammal. Reason (R): Dolly was produced by in-vitro fertilization.
Consider the following statements regarding a motor car battery: I. The voltage is usually 12 V. II. Electrolyte used is hydrochloric acid. III. Electrodes are lead and copper. IV. Capacity is expressed in ampere-hour. Which of the above statements are correct?
In a group of five people—K, L and M are ambitious; M, N and R are honest; L, M and N are intelligent and K, N and R are industrious. Among these, neither industrious nor ambitious person(s) would include
In an office, the distribution of work hours is as shown in the following table: No. of Staff Members | No. of hours worked 5 | 0 – 19 12 | 20 – 24 25 | 25 – 29 40 | 30 – 34 15 | 35 – 39 8 | 40 – 45 Consider the following inferences drawn from the table: I. The average number of hours worked by a staff member is about 30. II. The percentage of those who worked 35 or more hours is less than 25. III. At least 5 staff members worked more than 44 hours. Which of these inferences is/are valid?
Low temperatures (Cryogenics) find application in
The yield versus fertilizer input is shown in the graph. Consider the following statements based on this graph: I. Yield rate is zero at B and C. II. There is no yield with no fertilizer input. III. The yield is minimum at D. IV. The yield is neither minimum nor maximum at C. Which of the above statements are correct?
Neem tree has acquired industrial importance as a source of
A hemispherical bowl is filled to the brim with a beverage. The contents of the bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is the same for both bowl and cylinder, then the volume of the beverage in the cylindrical vessel will be
Match the hormones in List I with items in List II and select the correct answer using the codes given below the Lists: List I I. Adrenaline II. Estrogen III. Insulin IV. Pheromones List II A) Anger, fear, danger B) Attracting partners through sense of smell C) Females D) Glucose Codes:
The average speed of a train in the onward journey is 25% more than that of the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to-and-fro journey is 17 hours covering a distance of 800 km. The speed of the train in the onward journey is
A company manufacturing air-conditioners has set a monthly target. The target and realised values are shown in the bar chart. Consider the following statements based on the chart: I. The targeted sales on a monthly basis have been achieved. II. The overall target value has been exceeded by 7.5%. III. The Sales Department deserves a pat on the back. Which of the above statements is/are correct?
If X + 2Y = 2X + Y, then X² / Y² is equal to
Amar, Akbar and Anthony are friends, being looked after by a matron Farah. Amar weighs 50% more than Akbar and Anthony weigh 25% less than Amar. Farah weighs a third of the combined weight of the three boys. All four together weigh 232 kg. The correct arrangement of the persons in the ascending order of their weights is
Cobalt-60 is commonly used in radiation therapy because it emits
In a code language, ‘SOLID’ is written as “WPSLIMFHA’. What does the code word ‘ATEXXQIBVO’ refer to?
Strips of two metals A and B are firmly joined together as shown in the figure. On heating, A expands more than B does. If this joined strip is heated, then it will appear as:
When ants bite, they inject
A man is standing on the 8 m long shadow of a 6 m long pole. If the length of his shadow is 2.4 m, what is the height of the man?
At a given time, two players are standing on a play-field. The cartesian coordinates of their locations are (20, 60) and (-40, -20) units. What is the distance between the players?
Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
Consider the following statements: I. If a person looks at a coin which is in a bucket of water, the coin will appear to be closer than it really is. II. If a person under water looks at a coin above the water surface, the coin will appear to be at a higher level than it really is. Which of the above statements is/are correct?
In the sequence of numbers 5, 8, 13, X, 34, 55, 89, ……… the value of ‘X’ is
Match List I (Quantity) with List II (Units) and select the correct answer using the codes given below the Lists: List I I. High speed II. Wavelength III. Pressure IV. Energy List II A) Mach B) Angstrom C) Pascal D) Joule Codes:
In a business concern, there are four functions, namely, Production (PR), Finance (FN), Personnel (PS) and Marketing (MK). The Customer (C) may also play a role in the prosperity of the concern. Match List I with List II and select the correct answer using the codes given below the Lists: List I – Pie Diagram I. II. III. IV. List II – Statement A) Customer is the controlling factor B) Marketing is an integrating factor while customer is the controlling factor C) Marketing is the controlling factor D) Marketing is more important than others E) Marketing is as equal a function as the others Codes: a) I-D, II-C, III-A, IV-B b) I-E, II-D, III-A, IV-B c) I-D, II-C, III-B, IV-E d) I-E, II-D, III-B, IV-A
The surface area of a spherical dome-shaped roof of a cylindrical water tank shown in the figure is
Assertion (A): Insect-resistant transgenic cotton has been produced by inserting Bt gene. Reason (R): The Bt gene is derived from a bacterium.
If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle
Consider the following statement: An ordinary light bulb has a rather short life because the I. Filament wire is not uniform. II. Bulb cannot be evacuated completely. III. Wires supporting the filament melt at high temperatures. Which of the above statements are correct?
Match List I (Drugs / Chemicals) with List II (Their uses) and select the correct answer using the codes given below the Lists: List I I. Atropine II. Ether III. Nitro-glycerine IV. Pyrethrin List II A) Local anaesthesia B) Heart trouble C) Dilation of pupil D) Mosquito control Codes:
On another planet, the local terminology for earth, water, light, air and sky are ‘sky’, ‘light’, ‘air’, ‘water’ and ‘earth’ respectively. If someone is thirsty there, what would he drink?
Assertion (A): To dilute sulphuric acid, acid is added to water and not water to acid. Reason (R): Specific heat of water is quite large.
Consider the following statements: I. Glass can be etched or scratched by diamond. II. Glass can be etched or scratched by hydrofluoric acid. III. Glass can be etched or scratched by aqua regia. IV. Glass can be etched or scratched by concentrated sulphuric acid. Which of these statements are correct?
Assertion (A): Information technology is fast becoming a very important field of activity in India. Reason (R): Software is one of the major exports of the country and India has a very strong base in hardware.
A hunter aims his gun at a point between the eyebrows of a monkey sitting on a branch of a tree. Just as he fires, the monkey jumps down. The bullet will
Indian farmers are unhappy over the introduction of “Terminator Seed Technology” because the seeds produced by this technology are expected to
In a town 25% families own a phone and 15% own a car. 65% families own neither a phone nor a car. 2000 families own both a car and a phone. Consider the following statements in this regard: I. 10% families own both a car and a phone. II. 35% families own either a car or a phone. III. 40,000 families live in the town. Which of the above statements are correct?
In eye donation, which one of the following parts of donor’s eye is utilised?