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Subject: Science and Technology

  • Which of the following statements is/are correct

    Which of the following statements is/are correct?
    (1). Viruses lack enzymes necessary for the generation of energy.
    (2). Viruses can be cultured in any synthetic medium.
    (3). Viruses are transmitted from one organism to another by biological vectors only.
    Select the correct answer using the codes given below.

  • Consider the following pairs

    Consider the following pairs :
    Vitamin : Deficiency disease
    1. Vitamin C : Scurvy
    2. Vitamin D : Rickets
    3. Vitamin E : Night Blindness
    Which of the pairs given above is/are correctly matched?

  • Consider the following statements

    Consider the following statements:

    1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.
    2. Sexual transmission of Zika virus disease is possible.

    Which of the statements given above is/are correct?

  • Consider the following pairs

    Consider the following pairs :

    Terms sometimes seen in news Context /Topic

    Belle II experiment Artificial Intelligence
    Blockchain technology Digital/ Cryptocurrency
    CRISPR — Cas9 Particle Physics
    Which of the pairs given above is/are correctly matched?

  • Consider the following

    Consider the following:

    1. Birds
    2. Dust blowing
    3. Rain
    4. Wind blowing

    Which of the above spread plant diseases?

  • Consider the following statements

    Consider the following statements:
    A digital signature is
    1. an electronic record that identifies the certifying authority issuing it
    2. used to serve as a proof of identity of an individual to access information or server on Internet.
    3. an electronic method of signing an electronic document and ensuring that the original content is unchanged

    Which of the statements given above is / are correct?

  • Consider the following activities

    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?

  • Consider the following statements

    Consider the following statements:
    (1) Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent.
    (2) A person’s genome can be edited before birth at the early embryonic stage.
    (3) Human induced pluripotent stem cells can be injected into the embryo of a pig.
    Which of the statements given above is/are correct?

  • Consider the following

    Consider the following:
    1. Bacteria
    2. Fungi
    3. Virus
    Which of the above can be cultured in artificial/synthetic medium?

  • Consider the following statements

    Consider the following statements:

    1.Adenoviruses have single-stranded DNA genomes, whereas retroviruses have double-stranded DNA genomes.
    2.The common cold is sometimes caused by an adenovirus, whereas AIDS is caused by a retrovirus.
    Which of the statements given above is/are correct?