11. Karan placed a solid block of wood in some water. It floated in the
water with approximately half of the block under the water's surface.
The figure below shows how it looked.
He then took the block out of the water and cut it in half. He put one
half of the block into the water again. Which of the following shows how
the block will look in the water
A.Only a quarter of the block is above water's surface
B.The entire block is above the water's surface
C.Half the block is under the water's surface.
D.Only a quarter of the block is below water's surface
12.Which of the following would be a chemical change?
A
A metal on heating to
a high temperature
turns into liquid
form.
B
A metal gets a
greenish coating on
exposure to air.
C A metal is drawn
into wires.
D Metal is beaten into
thin sheets.
13. This pie-chart shows the percentage composition by weight of
the elements of the earth's crust. The two elements that are
present the most on the earth's crust are
A. Silicon and Oxygen B. Oxygen and Iron
C. Aluminium and Iron D. Silicon and Iron
14.Given below are the ball-and-stick models of a few molecules.
Which one of them represents a water molecule?
A. B. C.
D.
15. A Maximum-Minimum thermometer has two stems which
record the highest and lowest temperatures during a period of
time. A small metallic piece in each stem indicates the
temperature.What are the maximum,minimum and normal
temperature, shown in this
thermometer?
A. 55
oC, 35
oC, 45
oC B. 45
oC, 25
oC, 35
oC
C. 55
oC, 25
oC, 35
oC D. 45
oC, 25
oC, 30
oC
16. The structure shown here is called a greenhouse.
Greenhouses have glass panels that let in light but keep heat
from escaping. In which regions would greenhouses of this type
be used to grow plants?
A. regions that are very cold B. regions that are very hot
C. regions that are very humid D. regions that are very dry
17.Which gas will you fill in the empty bubble
here?
A. Nitrogen B. Oxygen
C. Carbon dioxide D. Water vapour
18.The atomic number of oxygen is 6. This means that oxygen has 6
positively charged particles called protons in its nucleus. An atom
does not possess any charge. What is the number of electrons
(negatively charged particles) in an oxygen atom?
A. 0 B. 2
C. 6 D. 12
19.An unknown sample did not decompose either by physical or
chemical means. This unknown sample is MOST likely to be
A. a compound B. an element
C. a heterogeneous mixture D. a homogeneous mixture
Answers
Answer:
. Tick (/) the correct option. 1. Who had given the letters of introduction to Mr Framton Nuttel? a. his father b. his sister C. his brother 2. In which month of the year was the window kept wide open? a. July b. August C. October 3. Mr Sappleton and Mrs Sappleton's brothers had gone for ... a. bass fishing b. snipe shooting C. lark shooting 4. According to the niece, Mr Nuttel had a. nerve condition b. obsessive compulsive disorder C. horror of dogs. Tick (/) the correct option. 1. Who had given the letters of . Tick (/) the correct option. 1. Who had given the letters of . Tick (/) the correct option. 1. Who had given the letters of introduction to Mr Framton Nuttel? a. his father . Tick (/) the correct option. 1. Who had given the letters of introduction to Mr Framton Nuttel? a. his father b. his sister C. his brother 2. In which month of the year was the window kept wide open? a. July b. August C. October 3. Mr Sappleton and Mrs Sappleton's brothers had gone for ... a. bass fishing b. snipe shooting C. lark shooting 4. According to the niece, Mr Nuttel had a. nerve condition b. obsessive compulsive disorder C. horror of dogs. his sister C. his brother 2. In which month of the year was the window kept wide open? a. July b. August C. October 3. Mr Sappleton and Mrs Sappleton's brothers had gone for ... a. bass fishing b. snipe shooting C. lark shooting 4. According to the niece, Mr Nuttel had a. nerve condition b. obsessive compulsive disorder C. horror of dogs to Mr Framton Nuttel? a. his father b. his sister C. his brother 2. In which month of the year was the window kept wide open? a. July b. August C. October 3. Mr Sappleton and Mrs Sappleton's brothers had gone for ... a. bass fishing b. snipe shooting C. lark shooting 4. According to the niece, Mr Nuttel had a. nerve condition b. obsessive compulsive disorder C. horror of dogs to Mr Framton Nuttel? a. his father b. his sister C. his brother 2. In which month of the year was the window kept wide open? a. July b. August C. October 3. Mr Sappleton and Mrs Sappleton's brothers had gone for ... a. bass fishing b. snipe shooting C. lark shooting 4. According to the niece, Mr Nuttel had a. nerve condition b. obsessive compulsive disorder C. horror of dogs