INSIGHT UPSC QUIZ

If an opaque object on the path of light becomes very small, light has a tendency to bend around it and not walk in a straight line. This effect is known as:

Consider the following statements about pesticide residue in our food chain:

1. It is introduced in the food chain by aquatic plants and animals.

2. These chemicals get accumulated progressively at each trophic level. 

3. Human body accumulates minimum concentration of these chemicals.

Select the correct answer using the code given below:

1. Which of the following statement(s) in the context of ‘Human Eye’ is/are NOT correct?

1. Most of the refraction of the light rays entering the eye occurs at the outer surface of the crystalline lens.

2. Iris is a dark muscular diaphragm that controls the size of the pupil. 

3. Pupil regulates and controls the amount of light entering the eye. 

4. Retina is a delicate membrane having enormous number of light-sensitive cells.

Select the correct answer using codes given below:

Vectors are living organisms that can transmit infectious pathogens between humans, or from animals to humans. The commonest vectors we all know are mosquitoes. Which among the following vector borne diseases are caused by mosquitoes?

1. Yellow Fever

2. Lymphatic Filariasis

3. Zika Fever

4. Japanese Encephalitis

Select the correct answer using the code given below:

If we study a cell under a microscope, we will come across which among the following bodies inside it?

1. Nucleus

2. Plasma Membrane

3. Cytoplasm

4. Prokaryotes

Select the correct answer using the code given below:

In context of ‘EASE 4.0’, Consider the following statements:

1. It is a reform agenda for Public Sector Banks to institutionalize clean and smart banking.

2. It creates a 24x7 banking system with resilient technology. 

Which of the statement(s) given above is/are correct?

With reference to the uses of ‘concave mirrors’, read the following statements carefully:

1. They are commonly used in vehicles headlights to get powerful parallel beams of light. 

2. They are often used as shaving mirrors to see a larger image of the face. 

3. They are fitted on the sides of the vehicle to have a wider field of view.

4. Large concave mirrors are used to concentrate sunlight to produce heat in solar furnaces.

Which of the statements given above is/are correct?

In the context of ‘immunity’ in human body, which of the following statements is/are correct? 

1. Skin on our body is an example of innate immunity.

2. Acquired immunity is characterised by memory. 

3. Injecting the microbes deliberately during immunisation induce passive immunity. 

Select the correct answer using the code given below.

Vectors are living organisms that can transmit infectious pathogens between humans, or from animals to humans. The commonest vectors we all know are mosquitoes. Which among the following vector borne diseases are caused by mosquitoes?

1. Yellow Fever

2. Lymphatic Filariasis

3. Zika Fever

4. Japanese Encephalitis

Select the correct answer using the code given below:

Consider the following statements about the ‘fuel obtained from plastic waste’: 

1. It has low octane rating.

2. Lead content is absent in it.

3. It is known as green fuel.

Which of the statements given above is/are correct?