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Consider the following statements regarding the characters of coacervate droplets and choose the correct answer:
1. These can take up materials from the external medium and some of them show enzymatic activities
2. When glucose-I-phosphate is dissolved in the equilibrium liquid, the droplets are found to store starch
3. Coacervate droplets of some sort have been prepared with phosphorylase and β-amylase
4. Polynucleotides were synthesized enzymatically within coacervate droplets
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Following are general statements about water drops. (a) Surface tension is responsible for the spherical shape of the water drops. (b) Even in the absence of gravitation, water drops have a spherical shape. (c) Formation of water drops occurs, if the mass of the water is stretched. Which of the above statement/statements is/are correct?
Consider the following statements. I. Possibility of combining some other structure with a fall eg. regulator, road bridge etc. II. Cutting and filling are required below and above the fall should not be necessarily equal. III. The command should not be reduced due to the lowering of F.S.L and the fall may be located below the outlets. Which of the following statement is correct for site selection of a fall?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: It is a major component of the water cycle and is responsible for depositing most of the freshwater on the Earth.  B: Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then become heavy enough to fall under gravity.  C: It provides suitable conditions for many types of ecosystems, as well as water for hydroelectric power plants and crop irrigation. D: Thus, it is very much useful for mankind.
About 40 million people (over 75% are children) are affected by water borne diseases every year. Nearly six million children below 14 years of age suffer from fluorosis due to fluoride contamination in water. Arsenic is another dangerous contaminant in ground water, putting at risk more than 10 million people in the country. Bacteriological contamination, which leads to diarrhea, cholera, hepatitis etc., is at alert level in India. Contamination due to Iron, hardness and salinity in water are other major concern. Medical expenditure on water borne diseases is estimated to be Rs. 2400 crores annually in the country. The need for desalination and water purification is destined to grow in the coming years as the requirement for water increases. Bhabha Atomic Research Centre (BARC) has been engaged in R&D on desalination and water purification technologies for several years and has developed indigenous technologies which are available for know-how transfer to interested parties The given information, if accurate, most accurately supports which statement?
A water tank of dimensions 63 cm × 44 cm × 50 cm is 60% filled with water. When a spherical ball was completely immersed in the water in the tank, the height of the water in the tank increased from initial height to height of 44 cm. What is the diameter of the spherical ball?
When a ball is allowed to fall, the time it takes to fall any distance varies as the square root of the distance and it takes 4 seconds to fall 78.40 m. How long would it take to fall 122.50 m?
Good 'Y' is the substitute for good 'X' if
1. A fall in the price of good X leads to the fall in the marginal utility of good Y.
2. A fall in the price of good X leads to the fall in the quantity purchased of good Y. Select the correct answer
Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in PET Bottle or Glass Water Bottles. Bottled water is comprehensively regulated by the U.S. Food and Drug Administration (FDA) as a packaged food product. By law, the FDA regulations for bottled water must be at least as stringent as the Environmental Protection Agency standards for tap water. What inference can be drawn from the above passage?