Comprehensive collection of questions from General Science asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
Who first proposed the double helix model of DNA?
Assertion (A): Women play the primary role in the sex determination of offspring in humans. Reason (R): Women possess two 'X' chromosomes. Code:
Indian farmers are dissatisfied with the introduction of 'Terminator Seed Technology' because the seeds produced with this technology have the potential to-
Nobel laureate James D. Watson is known for his work in which field?
Golden rice is abundant in-
Those cells of the body which have the potential to divide and specialize into any type of cells in the body, and are the focal point of research for many serious diseases, are called:
The union of which chromosomes leads to the birth of a male child in humans?
Which alternative non-controversial source of stem cells is available as an option to highly controversial embryonic stem cells?
Hybridoma Technology is a new biotechnological approach for-
In the context of developments in bioinformatics, the term 'Transcriptome' refers to:
Which one of the following is a microbial insecticide?
Who first synthesized DNA in-vitro (in a cell-free system)?
The microorganism associated with the production of Bt cotton is a-
'RNA interference (RNAi)' technology has gained popularity in recent years because: 1. It is used in developing gene silencing therapies. 2. It can be used in developing therapies for the treatment of cancer. 3. It can be used in developing hormone replacement therapies. 4. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below:
What is contained in a biochip?
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?
Consider the following statements and select the correct statements with the help of codes given below: A. Flavr Savr tomato was the first commercially grown genetically engineered food crop. B. Ripe fruits of Flavr Savr remain firm for a longer period and can be transported to market after ripening on the vine. C. Ripe fruits of Flavr Savr have color, but lack the full flavor spectrum of vine-ripened tomatoes. Code:
Consider the following statements: 1. Genetic changes can be introduced in the cells that produce eggs or sperms of prospective parents. 2. A person's genome can be edited before birth at 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?
Terminator technology is designed for the commercial marketing of:
Given: 1. Blood cells 2. Bone cells 3. Hair strand with root 4. Saliva Samples that can be taken for DNA profiling/testing in crime investigation can be: Code:
Pest-resistant cotton plants were developed by genetic engineering by introducing a gene derived from-
Assertion (A): Scientists can cut and recombine DNA molecules at will, regardless of the source of the molecules. Reason (R): Fragments of DNA can be cleaved and spliced using restriction endonucleases and DNA ligases. Select the correct answer from the code given below:
James D. Watson and Francis Crick are associated with which of the following discoveries?
Who first outlined the structure of the gene molecule (DNA)?
Assertion (A): 'Golden Rice' is a biotechnological achievement that is as beneficial to consumers as it is to farmers. Reason (R): The yellow color of this rice indicates a high content of beta-carotene, a compound that converts to vitamin 'A' in the human body. Code: