Water can dissolve more substances than any other liquid because.
Water can dissolve more substances than any other liquid because.(2021) a) It is dipolar in nature. b) It is a good conductor of heat c) It has high value of specific heat d) It is an oxide of hydrogen Answer: A Water is called the universal solvent since it is capable of dissolving a variety […]
Which of the following statements are correct regarding the general difference between plant and animal cells ?
Which of the following statements are correct regarding the general difference between plant and animal cells ? 1.Plant cells have cellulose cell walls whilst animal cells do not. 2.Plant cells do not have plasma membrane unlike animal cells which do. 3.Mature plant cell has one large vacuole whilst animal cell has many small vacuoles. Select […]
What is the importance of using Pneumococcal Conjugate Vaccines in India ?
What is the importance of using Pneumococcal Conjugate Vaccines in India ? 1.These vaccines are effective against pneumonia as well as meningitis and sepsis. 2.Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. 3.These vaccines have no side effects and cause no allergic reactions. Select the correct answer using the code […]
In India the term Public Key Infrastructure is used in the context of(2020)
In India, the term “Public Key Infrastructure” is used in the context of(2020) a) Digital security infrastructure b) Food security infrastructure c) Health care and education infrastructure d) Telecommunication and transportation infrastructure Answer: A Public Key Infrastructure (PKI) is a technology for authenticating users and devices in the digital world. Under this system, one or […]
In the context of recent advances in human reproductive technology, :Pronuclear Transfer: is used for(2020)
In the context of recent advances in human reproductive technology, :Pronuclear Transfer: is used for(2020) a) Fertilization of egg in vitro by the donor sperm b) Genetic modification of sperm producing cells c) Development of stem cells into functional embryos d) Prevention of mitochondrial diseases in offspring Answer: D In pronuclear transfer, the mother’s egg […]
Which of the following is/are the example/examples of chemical change
Which of the following is/are the example/examples of chemical change? 1. Crystallization of sodium chloride 2. Melting of ice 3. Souring of milk Select the correct answer using the code given below.(2014) a) 1 and 2 only b) 3 only c) 1, 2 and 3 d) None ANswer: B Chemical changes occur when a substance […]
Which of the above is/are used to create transgenic crops?
Consider the following techniques/phenomena: 1. Budding and grafting in fruit plants 2. Cytoplasmic male sterility 3. Gene silencing Which of the above is/are used to create transgenic crops?(2014) a) 1 only b) 2 and 3 c) 1 and 3 d) None Answer: B A transgenic crop is a genetically modified organism (GMO). Transgenic indicates that […]
With reference to the carbon nanotubes, consider the following statements:
With reference to the carbon nanotubes, consider the following statements: Which of the statements given above are correct?(2020) a) 1 and 2 only b) 2, 3 and 4 only c) 1, 3 and 4 only d) 1, 2, 3, and 4 C The nanotube’s structure allows it to be used as a container for transporting […]
Which of the above activities can be successfully carried out by using drones ?
Consider the following activities : 1.Spraying pesticides on a crop field 2.Inspecting the craters of active volcanoes 3.Collecting breath samples from spouting whales for DNA analysis At the present level of technology Which of the above activities can be successfully carried out by using drones ?(2020) a) 1 and 2 only b) 2 and 3 […]
The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long
The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” The experiment in question refers to(2020) a) Voyager-2 b) New Horizons c) LISA Pathfinder d) Evolved LISA Answer: D Evolved Laser Interferometer Space Antenna […]