- Light
- Catalyst
- Manganese
- Inhibitor
- B
-
Enzyme is a best example of Catalyst.
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A solution having 3 pH is known as:
- Weak Acid
- Strong Base
- Strong Acid
- Weak Base
- A
-
A solution that have pH greater than 7 is called strong Acid.
A substance that have 3 pH is called strong Base.
Rods are located at the edge of the retina and sensitive to _____
- Sun Light
- Electric Spark
- Dim Light
- Bright Light
- C
-
There are two types of photoreceptors in the retina which are Rods and Cones.
Rods are not good for colour vision.
Rods are also used for Peripheral Vision.
Cones are good for colour vision.
Vernier Calipers can be used to make internal and external measurement with an accuracy of:
- 0.1 mm
- 0.2 mm
- 0.3 mm
- 0.4 mm
- A
-
Vernier Calipers can measure with acuraty of 1/10 mm or 0.1 mm or 0.01 cm.
Vernier Calipers is used to measure two opposite sides.
It is used to measure distance between two objects or height also.
Vernier Calipers can measure upto 100 of millimeter.
Vernier Caliper was invented by Pierre Venier.
Which of the following is a measure of the extent of the surface of an object?
- Volume
- Area
- Density
- Force
- B
Which of the following makes a bright, realistic Image of a colour slide or film on screen?
- Binocular
- Projector
- Telescope
- Cameras
- B
If divers come back to the surface too quickly, the nitrogen forms bubbles in his bloodstream this causes a painful condition called:
- The bands
- Upthrust
- The Bends
- Upturn
- C
-
The Bends is an illness that assist the divers to came at the surface of the ocean.
Nitrogen forms bubbles in bloodstream and its painful condition that assist diver to came at surface.
Identify the largest ocean:
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Artic Ocean
- B
-
The area of Pacific Ocean is 165.2 million Km/seq.
Average depth of this ocean is 4280 meters.
Arithmetic is the branch of mathematics dealing with the____
- Properties of space and objects
- Addition, Subtraction and other such operations
- Solving triangles, squares and rectangles
- Study of parabola
- B
-
Arithmetic is the branch of mathematics that deals with the study of numbers using different operations on them.
Weather describes the condition of _____ at any time.
- The earth
- The land surface
- The atmosphere
- The Ionosphere
- C