Question : A person will have brown eyes, blue eyes or black eyes depending on the particular pigment present in the:

Option 1: Pupil

Option 2: Cornea

Option 3: Iris

Option 4: Choroid

Question : Why can you not see objects in a dimly lit room when you come from a brightly lit room?

Option 1: The iris dilates the eye lens to allow less light to enter the eye

Option 2: The iris contracts the pupil to allow less light to enter the eye

Option 3: The vitreous humor dilates the pupil to allow less light to enter the eye

Option 4: The cornea contracts the pupil to allow less light to enter the eye

Question : Which water-soluble pigment belonging to a phenolic group is present in pomegranate, eggplant, black carrot, and red cabbage?

Option 1: Phycoerythrin

Option 2: Phycobilins

Option 3: Betalains

Option 4: Anthocyanins

Question : A person who is colourblind cannot distinguish between

Option 1: Black and yellow

Option 2: Red and green

Option 3: Yellow and white

Option 4: Green and blue

Question : In a coloured picture of blue and yellow colours, blue and yellow colours are used in the ratio of 4 : 3, respectively. If in the upper half, blue : yellow is 2 : 3, then in the lower half, blue : yellow is:

Option 1: $1:1$

Option 2: $2:1$

Option 3: $26:9$

Option 4: $9:26$

Question : Directions: Arrange the following words as per order in the dictionary.
1. Nest 2. Neck 3. Neat 4. Near

Option 1: 4, 2, 3, 1

Option 2: 4, 2, 1, 3

Option 3: 4, 3, 2, 1

Option 4: 4, 1, 3, 2