2286: In the case of a Test-tube baby
(a) fertilization takes place inside the test-tube
(b) development of the baby taken place inside the test-tube
(c) fertilization takes place outside the mother's body
(d) unfertilized egg develops inside the test-tube
2287: Blood grouping was discovered by:
(a) Landsteiner
(b) Robert Koch
(c) William Harvey
(d) Louis Pasteur
2288: The variations in temperatures from 0 degree C to 100 degree C with respect to time of two liquids P, Q are shown in the graph given below :
Which one of the following statement is correct ?
(a) During heating, liquid P remained hotter than liquid Q throughout
(b) At no point of time during heating did the two liquids have the same temperature
(c) P attained the temperature of 100 degree C faster than Q
(d) Q attained the temperature of 100 degree C faster than P
2289: With reference to Indias Five-Year Plans, which of the following statements is/are correct?
1. From the Second Five-Year Plan, there was a determined thrust towards substitution of basic and capital good industries.
2. The Fourth Five-Year Plan adopted the objective of correcting the earlier trend of increased concentration of wealth and economic power.
3. In the Fifth Five-Year Plan, for the first time, the financial sector was included as an integral part of the Plan.
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
2290: In a wooden box there are 3 red and 4 black balls. If two balls are taken out Simultaneously (without looking at them), then the probability of both the balls being red is
(a) Zero
(b) 1/7
(c) 2/7
(d) 3/7