Enfant India International School: Std 8

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Thursday, 11 February 2021

Std 8 Biology Unit test II

February 11, 2021 Biology, Std 8, Unit test II

Enfant India International school

VIII Biology Unit Test 2 M.M 20

Question 1. Multiple choice question (5×1)

a. The vascular tissue in leaves is located

(i) Only in stalk

(ii) Only in lamina

(iii) Only in midrib

(iv) In midrib and its branches

b. The number of organisms formed by binary fission is

(i) Two

(ii) Four

(iii) Many

(iv) Eight

c. Fusion of sperm and ovum is known as

(i) Copulation

(ii) Incubation

(iii) Maturation

(iv) Fertilisation

d. Vulture play an important role in the environment as

(i) Decomposer

(ii) Carnivore

(iii) Primary consumer

(iv) Scavenger

e. Emergency hormone which prepares body to fight or flight is secreted by

(i) Adrenal cortex

(ii) Adrenal medulla

(iii) Thyroid gland

(iv) Anterior pituitary

Question 2. Fill in the blanks (5×1)

a. ............is the endocrine part of pancreas.

b. .............is the atmospheric moisture.

c. Malarial parasite is an .............parasite.

d. The female gametes are called........

e. .......... is the outer covering of fruit.

Question 3. State the followings are true or false (5×1)

a. Insect pollinated flowers are brightly coloured.

b. Potato is a root.

c. The first cell of a living organism is embryo.

d. The unfertilised egg is called zygote.

e. Frog is producer in an ecosystem.

Question 4. Match the followings (5×1)

Column A Column B

a. Hormone (i) pituitary gland

b. Myxoedema (ii) water balance

c. Glucagon (iii) Endocrine gland

d. Growth hormone (iv) antagonistic to insulin

e. Corticoids (v) hyposecretion of thyroxin

Std 8 Chemistry Unit test II

February 11, 2021 Chemistry, Std 8, Unit test II

Enfant India International school

Class -8th

Sub.- Chemistry M.M.-20

Section -A

1. Fill in the blanks:. (1×5=5)

(a) The symbol of aluminum is __________ .

(b) The valency of nitrogen is _________ .

(d) The short form of an element is called _________.

(e) Carbon dioxide has atom of carbon and ______ atoms of oxygen.

2. Write the molecular formula of. (1×5=5)

(a) Cuprous oxide

(b) Calcium oxide

(d) Iron sulphide

(e) Ammonium hydroxide

Section -B

3. Define the following:. (1×5=5)

(a) Oxides

(b) Neutral oxides

(d) Reducing agent

(e) Chemical reaction

4. Answer these questions:. (1×5=5)

(a) Define chemical reaction.

(b) What is a redox reaction ? Explain

With the help of an example.

( C) What is meant by symbol ?

(d) Calculate the valency of sulphur and chlorine.

(e) State law of conservation of mass .

Std 8 English Unit test II

February 11, 2021 English, Std 8, Unit test II

English

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------_____________________________________________________________________________________

UNIT II – 2020-21

Enfant India International School

Std.: VIII Marks: 20

(Paper is divided into two parts Section A (English Literature) & B (English Grammar)

Answer all questions.

Question 1:- Read these lines and answer the questions that follow. [2*3=6]

There, in his noisy mansion, skill’d to rule,

The village master taught his little school;

i) Where is the school situated?

ii) Why is the mansion noisy?

iii) What is meant by ‘skill’d to rule’?

Question 2:- Write the meaning of the following words. [1*4]

pensive: -

solitude: -

sprightly: -

jocund: -

A) Fill in the blanks with the comparative degree of the adverbs given in the box.

Loud	Hard	Little	Dark	Early	Regular
Polite	Close	Fast	Late	Old	High

i) If you want to win the game, practice……………………………..

ii) If you want reach school on time, wake up……………………….

iii) if your want to earn others’ respect, behave………………………

iv) if you want to walk to school, live somewhere……………………

V) If you often get headaches, use the computer……………………….

B) Fill in the blanks with appropriate modals.
i) I can do my brother’s homework for him, but I………………………

ii) You could easily make a fool of her, but you…………………………

iii) He would love to go on the picnic with us too, but he………………..

iv) They think that we’ll support them, but we…………………………

V) She tried to open the jammed window, but she……………………..

Std 8 Geography Unit test II

February 11, 2021 Geography, Std 8, Unit test II

Class 8^th

Subject: Geography

Marks: 20

Attempt all questions every questions carry equal marks

Question no. 1. 10

Fill in the blanks:

(1) Proper……… can help in limiting and minimising demands and losses caused by natural or man made disasters.

(2) Floods can be prevented vulnerable areas by properly maintaining………….. along rivers.

(3) Rainwater harvesting goes a long way in replenishing the depleting supply of…………..

(4) We should always turn off the knob of our…………. When it is not in use.

(5) Every house should have an emergency………. kit.

Question no. 2. 10

Match the following:

A B

(1) Earthquake. (a) Dykes and embankments

(2) Floods. (b) Extinguisher

(3) Droughts. (c) Drop, cover,hold

(4) Fire. (d) Rainwater harvesting

Std 8 Physics Unit test II

February 11, 2021 Physics, Std 8, Unit test II

Enfant India International school

Class -8th

Sub. - Physics M.M.-20

Section -A

1. Fill in the blanks : (1×5=5)

(a) Heat is ______ during boiling process.

(b) Evaporation causes ______ of the surrounding.

(d) The _____ of a spherical mirrior is called its pole .

(e) Water is optically denser than ______ but optically rarer as compared to ________.

2. Define the following : (1×5=5)

(a) Refractive index

(b) Refraction of light

(d) Radius of curvature

(e) Dispersion of light

Section-B

3. Answer these questions: (2×5=10)

(a) State any one application of thermal expansion of liquids.

(b) Give any three practical applications of thermal expansion of solids .

(d) What is refraction of light ?

(e) State the two laws of refraction ?

Std 8 Hindi Unit test II

February 11, 2021 Hindi, Std 8, Unit test II

STD:8th

MM:20

नोट: सभी प्रश्न अनिवार्य हैं।

प्रश्न-1 कवि ने स्त्री की कर्मठता को किस प्रकार व्यक्त किया है? (2)

प्रश्न-2 नेहरू जी ने देहरादून की जेल में कितने महीने बिताए? और वह किसको पसंद नहीं करते थे? (2)

प्रश्न-3 "जो हड़बड़ा के रह गया , वो रह गया इधर जिसने लगाई एड़ , वो खंदक के पार था।"

(2)

प्रश्न-4 संसार-दर्पण नामक कविता से हमें क्या शिक्षा मिलती है? (2)

प्रश्न-5 पेड़-पौधों के भोजन करने के तरीके पर प्रकाश डालिए। (2)

प्रश्न-6 निम्नलिखित शब्दों का वाक्यों में इस प्रकार प्रयोग करें कि सूक्ष्म भेद स्पष्ट हो जाए। (2)

अ- अस्त्र

शस्त्र

ब- वध

हत्या

प्रश्न-7 दिए गए वाक्यांशों के लिए एक शब्द लिखिए। (2)

अ- जो उपकार को न माने

ब- जिसे भुलाया न जा सके

प्रश्न-8 दिए गए उपसर्गो से दो-दो शब्द बनाइए। (2)

अ- अप

ब- अभि

प्रश्न-9

अ- प्रत्यय और उपसर्ग में अंतर बताइए। (1)

ब- दिए गए शब्दों से प्रत्यय को अलग कीजिए।

पढ़ाई , लिखावट (1)

प्रश्न-10 दिए गए शब्दों में कौन सा समास है। (2)

अ- त्रिभुअन

ब- लाभ-हानि

स- यथाशक्ति

द- पीतांबर

**********

Std 8 Mathematics Unit test II

February 11, 2021 Mathematics, Std 8, Unit test II

Enfant India International School

II Unit test (2020-21)

Std:-8

Sub:- Maths

Mark:-20

All questions are compulsory. Each question carry equal marks. (8×2.5)

1- let U={1,2,3,4,5,------8,9}and

A={1,2,3,4} B={2,4,6,8} Find A' and B'(II) AUB.

2- A metal bar is 2.4m. long after heating it's length Increases by 2%.What is the new length.

3- A person purchased a chair for Rs 700, spent Rs 170 on its repairs and Rs30 on the cartage.if he sold the chair for Rs 1080.what is this gain percent.

4- Find the square root of

(i)1089/3481. (ii)2.337/9216

5- Find the greatest number of 4 digits. that is perfect square.

6- If a =2^mand b=2^m+1show that 8a³/b²=2^m+1.

7- Arrange in order from least to greatest - ¼ , ⅜ ,2/7

8- By selling an article for Rs 960 a man incurrs a loss 4% what was the c.p. of article.

Std 8 Physics First Semester 2020

December 22, 2020 Physics, Question Paper, Std 8

Enfant India International School

Class -8^th Sub.- Physics M.M.-40

Section -A

1.Fill in the blanks . (1×5=5)

(a) The SI unit of work is ________

(b) The rate of doing work is called ____

(d) An iceberg ______ on water.

(5) An iron needle ______ in water but a ship _______ on water.

2. Give one word . (1×5=5)

(a) The size of naphthalene balls decreases when left open for some time .

(b) Hot tea cools faster in a saucer than in a cup.

(d) Ratio of mass of an object and the volume of that object.

(e) Normal force per unit surface area .

3. Define these terms . (1×5=5)

(a) Work (b) A Joule (c) Power

(d) Mechanical energy (e) A watt

4. Differentiate between the following. (1×5=5)

(a) Power and work

(b) Energy and power

(c) Thrust and pressure

(d) Floating and sinking

(e) Solids and liquids

Section -B

5. Answer these questions. (2×10=20)

(a) Arrange three states of matter in ascending order of intermolecular space.

(b) Give the value of freezing point of water and boiling point of water.

(c) Define density and give its unit .

(d) State the principle of flotation.

(e) What is submarine? What is it’s working principle?

(f) State any two effects of a force.

(g) What is the SI unit of pressure ?

(h) Why are heavy trawlers fitted with a large number of wheels ?

(i) Explain that a liquid seeks its own level.

(j) How is energy related to work ?

Enfant India International School

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