INSIGHT UPSC QUIZ

The use of an electric fuse protects the electric circuit and the appliances from a possible damage by

Unicellular organism are unique because they are made up of a single cell only. Which of the following is/are examples of unicellular organisms?

1. Amoeba

2. Yeast

3. Bacteria

Select the correct answer using the code given below:

Consider the following statements about ‘Biochemical Oxygen Demand’ (BOD):

1. It is the amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water.

2. Highly polluted water have BOD value of less than 5 ppm. 

Which of the statements given above is/are correct?

Unicellular organism are unique because they are made up of a single cell only. Which of the following is/are examples of unicellular organisms?

1. Amoeba

2. Yeast

3. Bacteria

Select the correct answer using the code given below:

Consider the following statements:

1. The direction of current is taken opposite to the direction of flow of electrons.

2. Resistance is a property of a conductor that generates heat in the electrical circuit.

3. The SI unit of electric current is Amperes. 

Select the correct answer using the code given below:

 Which among the following method(s) is/are used by pests to attack crops sown in the field?

1. They attack the root of the plant.

2. They bore into stem and fruits of the plant. 

3. They suck water from various parts of the plant.

Select the correct answer using the code given below:

The ‘Deepor Beel Wildlife Sanctuary’, recently seen in news, is situated in which of the following Indian states?

 Which of the following are the properties of the image formed by a plane mirror?

1. The image is always real and erect. 

2. The size of the image is equal to that of the object. 

3. The image formed is as far behind the mirror as the object is in front of it. 

4. The image is laterally inverted.

Select the correct answer using the code given below.

Which of the following diseases and their causative agents is NOT correctly matched? 

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Consider the following statements about ‘Acid Rain’: 

1. Oxides of sulphur and nitrogen are major contributors to acid rain.

2. Acid rain is good for agriculture as it provides nitrogen for the growth of plants.

3. When acid rain flows into the river, it increases the pH level of river water. 

Which of the statements given above is/are correct?