Ritu is standing in front of a plane mirror. The distance between Ritu and her image is 10 m. If she moves 2 m towards the mirror, then the distance between Ritu and her image is

• 10 m

• 8 m

• 12 m

• 6 m

2.

You have three test tubes X, Y and Z half-filled with different solutions, as X is filled with sodium chloride solution, Y is filled with sodium hydroxide solution and Z is filled with dilute hydrochloric acid. On adding one drop of phenolphthalein solution to each of the above solutions, you would observe the solutions in the test tubes as

• X is pink; Y is pink and Z is colourless

• X is colourless; Y is pink and Z is colourless

• X is pale green; Y is colourless and Z is red

• X is colourless; Y is pale green and Z is pink

In our mouth, the arrangement of different types of teeth from front to back is

• incisor-canine-premolar-molar

• canine-incisor-molar-premolar

• canine-incisor-premolar-molar

• incisor-canine-molar-premolar

In plants and trees, water goes up high due to suction pull. Which of the following phenomena causes this suction pull?

• Transpiration

• Photosynthesis

• Respiration

• Absorption

Which of the following is the reproducing part of ginger?

• Root

• Leaf

• Stem

• Seed

Which among the following liquids are conductors of electricity?

1. Vinegar
2. Sugar solution
3. Salt solution
4. Distilled water

• A, C and D

• B and C

• A and C

• C and D

Consider the following statements.

1. Plants can survive for some time even without photosynthesis.
2. Plants can survive for some time even without respiration.
3. Photosynthesis and respiration both are essential for the survival of plants
4. Photosynthesis and respiration both are simultaneous processes in plants during the daytime.

The correct statements are

• A,B and C

• A,B and D

• B, C and D

• A, C and D

A block of wood is lying at rest on a table. What can be said about the force(s) acting on it?

• There is no force acting on it

• Gravitational and frictional forces are acting on it

• There is a pair of balanced forces acting on it

• Only gravitational force is acting on it

Which type of leaf pattern, i.e., leaf venation and root type are present in bamboo?

• Parallel venation and fibrous root

• Reticulate venation and tap root

• Parallel venation and tap root

• Reticulate venation and fibrous root

Which of the following facts is not correct about magnets?

• The attraction is a sure test of magnetism

• Magnetic field lines originate from North-pole and merge at South-pole of a magnet

• Like poles of a magnet repel each other

• The magnetic field is stronger at the poles of a bar magnet