Welcome to your Science Quiz 16
2.
Assertion (A): Insect resistant transgenic cotton has been produced by inserting Bt gene. Reason (R): The Bt gene is derived from a bacterium. [1999] Choose the correct option.
3.
Assertion (A): Dolly was the first cloned mammal. Reason (R): Dolly was produced by in vitro fertilization. [1999] Choose the correct option.
4.
Which one of the following techniques can be used to establish the paternity of a child? [1997]
5.
Which one of the following techniques can be used to establish the paternity of a child? [1997]
6.
Which one of the following techniques can be used to establish the paternity of a child? [1997]
7.
With reference to the following statements: [2023]
Statement-I: India, despite having Uranium deposits, depends on coal for most of its electricity production.
Statement-II: Uranium, enriched to the extent of at least 60%, is required for the production of electricity.
Which of the following is correct in respect of the above statements?
8.
Which one of the following is the context in which the term "qubit" is mentioned? [2022]
9.
With reference to street-lighting, how do sodium lamps differ from LED lamps? [2021]
(1) Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps.
(2) As street-lights, sodium lamps have a longer lifespan than LED lamps.
(3) The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street-lighting.
Select the correct answer using the code given below.
10.
In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? [2021]
(1) Area of the hole in the lid
(2) Temperature of the flame
(3) Weight of the lid
Select the correct answer using the code given below.