SI unit of density is ________.

(a)

kg/m²

(b)

kg/m³

(c)

kg/m

(d)

g/m³

The maximum volume of liquid that a continer can hold is _________

(a)

area

(b)

volume

(c)

capacity

(d)

density

Which of the following is correct

(a)

magnitude of displacement may be greater than distance

(b)

Distance is always greater than or equal to the magnitude of displacement.

(c)

Distance is always greater than the magnitude of displacement.

(d)

Both are scalar quantities.

Which of the following is a short and scientific way of representing one molecule of an element or compound?

(a)

Mathematical formula

(b)

Chemical formula

(c)

Mathematical symbol

(d)

Chemical symbol

Amolecule which contains only one atom is called _________ molecule

(a)

monoatomic

(b)

diatomic

(c)

triatomic

(d)

none

_______ is positively charged.

(a)

Proton

(b)

Electron

(c)

Molecule

(d)

Neutron

The average diameter of an atom is ____________

(a)

10^-8 m

(b)

1 m

(c)

1 A^o

(d)

10^-5 m

Neutron was discovered by _____________

(a)

Dalton

(b)

J.J. Thomson

(c)

Chadwick

(d)

Rutherford

Reproductive part of a plant is _________.

(a)

Root

(b)

Stem

(c)

Leaf

(d)

Flower

Which option is used in the Microsoft Photostory to upload the photos?

(a)

Begin a Story

(b)

Import Pictures

(c)

Settings

(d)

View your Story

In thermometer when bulb comes in contact with hot object, liquid inside it ________.

(a)

expands

(b)

contracts

(c)

remains same

(d)

none of above

In the circuit shown, which switches (L, M or N) must be closed to light up the bulb?

 

(a)

switch L only

(b)

switch M only

(c)

Switch M and N only

(d)

either switch L or switches M and N

Which part of the cell is called the brain of the cell?

(a)

Lysosome

(b)

Ribosome

(c)

Mitochondria

(d)

Nucleus

The largest division of the living world is _______.

(a)

Order

(b)

Kingdom

(c)

Phylum

(d)

Family

What is the shortcut key for undo option?

(a)

Ctrl + Z

(b)

Ctrl + R

(c)

Ctrl + Y

(d)

Ctrl +N

Which of the following is the best reflector of light?

(a)

plastic plate

(b)

plane mirror

(c)

wall

(d)

paper

If the Moon is appeaing in the sky today near the star Karthikai , the position of the Mon after 27 days is near the star _______.

(a)

Bharani

(b)

Karthikai

(c)

Rohini

(d)

Asvini

Which of the following is the strongest?________

(a)

Rayon

(b)

Nylon

(c)

Acrylic

(d)

Polyester

Sorter’s Disease is otherwise known as______.

(a)

Asthma

(b)

Anthrax

(c)

Typhoid

(d)

Cholera

The menu is used to save the document ______.

(a)

File-> open

(b)

file-> print

(c)

file-> save

(d)

file->close