Welcome to your Science Quiz 36
1.
Which one of the following is synthesised in the human body that dilates blood vessels and increases blood flow? [2024]
2.
In which of the following are hydrogels used?
- Controlled drug delivery in patients
- Mobile air-conditioning systems
- Preparation of industrial lubricants
Select the correct answer using the code given below: [2024]
3.
Consider the following statements:
- Some microorganisms can grow in environments with temperature above the boiling point of water.Â
- Some microorganisms can grow in environments with temperatures below the freezing point of water.Â
- Some microorganisms can grow in highly acidic environment with a pH below
How many of the above statements are correct? (2023)
4.
Which one of the following statements best describes the role of B cells and T cells in the human body? (2022)
5.
Consider the following statements in respect of probiotics:
- Probiotics are made of both bacteria and yeast.Â
- The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.Â
- Probiotics help in the digestion of milk sugars.Â
Which of the statements given above is/are correct? (2022)
6.
Consider the following:
(1) BacteriaÂ
(2) FungiÂ
(3) VirusÂ
Which of the above can be cultured in artificial/synthetic medium? (2021)
7.
In nature, which of the following is/are most likely to be found surviving on a surface without soil? (2021)
(1) Fern
(2) Lichen
(3) Moss
(4) Mushroom
Select the correct answer using the code given below.
8.
Consider the following statements:
(1) Adenoviruses have single-stranded DNA genomes, whereas retroviruses have double-stranded DNA genomes.Â
(2) Common cold is sometimes caused by an adenovirus, whereas AIDS is caused by a retrovirus.Â
Which of the statements given above is/are correct? (2021)
9.
Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? (2019)
- Genetic predisposition of some peopleÂ
- Taking incorrect doses of antibiotics to cure diseasesÂ
- Using antibiotics in livestock farmingÂ
- Multiple chronic diseases in some people
10.
Consider the following:
- BirdsÂ
- Dust blowingÂ
- RainÂ
- Wind blowingÂ
Which of the above spread plant diseases? (2018)