Question : The light of which of the following colours has a wavelength longer than that of Yellow?

Option 1: Green

Option 2: Blue

Option 3: Orange

Option 4: Violet

Question : Sleeping sickness disease spreads due to which of the following insects?

Option 1: Bedbugs

Option 2: Louse

Option 3: Tsetse fly

Option 4: Sandfly

Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select 'No Error'.

The light bulbs (1) / on the hall (2) / need to be charged. (3) / No Error (4)

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Question : Which among the following is most helpful in energy savings?

Option 1: Incandescent bulb

Option 2: Fluorescent tube light

Option 3: Compact fluorescent lamp

Option 4: LED bulb

Question : Due to the presence of which of the following, there is a difference between animal cells and plant cells?

Option 1: Ribosomes

Option 2: Cell wall

Option 3: Chloroplast

Option 4: Protoplasm