Question: The duration of short-term memory is between:

• 1. 5 to 15 seconds
• 2. 15 to 30 seconds
• 3. 30 to 45 seconds
• 4. None of these

Question: which country is famous for the great wall?

• 1. china
• 2. Mexico
• 3. Italy
• 4. France

Question: The intensity of earthquake is measured by:

• 1. Beaufort scale
• 2. Richter scale
• 3. Mohs scale
• 4. All of these

Question: Imaginary horizontal line on atmosphere which represent equal atmospheric pressure :

• 1. Iso bar
• 2. Isotope
• 3. Isotone
• 4. None of these

Question: How many Layers of Earth?

• 1. 2
• 2. 4
• 3. 6
• 4. 8

Question: How many colors are there in Rainbow ?

• 1. 2
• 2. 4
• 3. 5
• 4. 7

Question: Seeds is produced by ___?

• 1. pollen tube
• 2. thalamus
• 3. ovules
• 4. none of these

Question: Object which allows some light to travel through it is called:

• 1. translucent
• 2. opaque
• 3. transparent
• 4. crystal clear

Question: With no air resistance regardless of their masses, the bodies fall with:

• 1. Same acceleration
• 2. Different acceleration
• 3. Same velocity
• 4. None of these

Question: The process of removing water in the form of vapour in the form of leaves is called:

• 1. Nutrition
• 2. respiration
• 3. perspiration
• 4. transpiration