Humming Bird - HSO PDF Sample Papers for Class 7

Class 7 sample paper & practice questions for Humming Bird Science Olympiad (HSO) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.


Sample Questions from Olympiad Success:

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10

Q.1

Select a suitable figure from the four alternatives that would complete the figure matrix:



a)

1

b)

2

c)

3

d)

4

Q.2

Which of the following statements is/are correct?

a)

Phloem tubes are only found in the leaves of plants as this is where the sugars are made.

b)

The volume of blood in an average human adult is 10 litres.

c)

Blood contains many more white blood cells than red blood cells.

d)

All of these

Q.3

An expert agriculturist suggested the farmer minimize the use of chemical fertilizers and instead use biofertilizers as they have many advantages over chemical fertilizers. Which of the following is not true regarding biofertilizers?          (Set-B     NSO, 2013)

a)

They are economical.

b)

They will least pollute the lake.

c)

They are renewable.

d)

They require large set-up for their production.

Q.4

Complete the following equation:- 2 Mg (s) + O2 (g)→ 

a)

2 Mg(s)

b)

2 MgO (s) 

c)

2 MgO (l) 

d)

MgO(s)

Q.5

Consider the following metals and identify which of them can be used under galvanisation:

  1. Zinc
  2. Copper
  3. Aluminium
  4. Iron
  5. Mercury

a)

Zinc and copper

b)

Zinc and aluminum

c)

Zinc and iron

d)

Iron and mercury

Q.6

If a, b, c, d stands for addition, subtraction, multiplication and division respectively then, 12 d 4 c 7 a 24 b 11 =?

a)

34

b)

6

c)

21

d)

45

Q.7

While cooking, closing the cooking pan with a lid allows the food to cook faster. Which of the following statements explains this correctly?

a)

The lid reduces the loss of heat through convection to the surroundings

b)

The lid reduces the loss of heat through radiation to the surroundings.

c)

The lid reduces the loss of heat through conduction to the surroundings.

d)

The lid prevents a convection current from being set up.

Q.8

Arrange the words given below in a meaningful sequence.

1. Poverty           2. Population              3. Death           4. Unemployment          5. Disease

a)

1 2 3 4 5

b)

2 1 3 4 5

c)

5 3 4 2 1

d)

24153

Q.9

Bryophyllum can reproduce by its ___________.

a)

Stem

b)

flower

c)

Leaves

d)

Roots

Q.10

Mohan saw a plant which he thought to be a legume and wanted to see if it had nitrogen-fixing bacteria. What would he look for?      (NSO, 2009)

a)

Absence  of root hairs

b)

An enlarged taproot

c)

Nodules present on the root

d)

An extensive fibrous root system

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Answers to Sample Questions from Olympiad Success:

Q.1bQ.2dQ.3dQ.4bQ.5cQ.6aQ.7aQ.8dQ.9cQ.10c

Answers to Sample Questions from Olympiad Success:

Q.1 : b | Q.2 : d | Q.3 : d | Q.4 : b | Q.5 : c | Q.6 : a | Q.7 : a | Q.8 : d | Q.9 : c | Q.10 : c

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