QUESTION OF SCIENCE

Science question

1. The capacity to do work is known as?

Answer: Energy

2. Law of conservation of energy is introduced by?

Answer: Einstein

3. Prime source of energy?

Answer: Sun

4. Instrument used to convert mechanical energy into electrical energy?

Answer: Dynamo, Generator

5. Instrument used to convert chemical energy into electrical energy?

Answer: Cell

6. …………… convert electrical energy into light energy?

Answer: Electric bulb

7. Solar energy can be converted into electrical energy using?

Answer: Solar cell

8. Solar cells are made of?

Answer: Semiconductor materials

1. The red blood cells originate in the:

(a) Bone marrow

(b) Brain

(c) Ligaments

(d) Muscles

Answer: (a) Bone marrow

2. Who, amongst the following, is credited with the discovery of penicillin?

(a) Edward Jenner

(b) Louis Pasteur

(c) Alexander Flemings

(d) William Harvey

Answer: (c) Alexander Flemings

3. Which of the following is essential for the plants to help them in the formation of chlorophyll?

(a) Calcium V

(b) Magnesium

(c) Potassium

(d) Phosphorus

Answer: (b) Magnesium

4. The other name of Vitamin C is?

(a) Formic acid

(b) Acetic acid

(c) Ascorbic acid

(d) Riboflavin

Answer: (c) Ascorbic acid

5. Who is credited with the discovery of neutron?

(a) Chadwick

(b) Bohr

(c) Newton

(d) Rutherford

Answer: (a) Chadwick

6. The average life of a red blood cell in the body is about:

(a) 95 days

(b) 105 days

(c) 115 days

(d) 130 days

Answer: (c) 115 days

1. Which of the following is associated with Doppler Effect?

(a) Magnetism

(b) Motor

(c) Sound

(d) Light

Answer: (c) Sound

2. Force/Area is the formulae of …………?

(a) Pressure

(b) Density

(c) Mass

(d) Surface tension

Answer: (a) Pressure

3. Hydrogen Bomb is based on the principle of:

(a) Nuclear fusion

(b) Nuclear fission

(c) Separation

(d) None

Answer: (a) Nuclear fusion

4. Rocket works on the principle of conservation of:

(a) Mass

(b) Momentum

(c) Volume

(d) None of these

Answer: (b) Momentum

5. What is the escape velocity from Earth’s surface?

(a) 12 Km/sec

(b) 11.2 Km/sec

(c) 11 Km/sec

(d) 12.4 Km/sec

Answer: (b) 11.2 Km/sec

6. When a constant force is applied to a body, it moves with uniform?

(a) Speed

(b) Acceleration

(c) Velocity

(d) Retardation

Answer: (b) Acceleration

7. A body starting from rest moves with a constant acceleration of 4 m/m². Find the distance covered by the body after 10 second?

(a) 40 m

(b) 120 m

(c) 80 m

(d) None of these

Answer: (d) None of these

8. Which of the following is a scalar quantity?

(a) Mass

(b) Time

(c) Volume

(d) None of these

Answer: (a) Mass

1. What is the formula for Ethanol?

(a) CHCl₃

(b) CH₃OH

(c) C₂H₅OH

(d) CH₄OH

Answer: (c) C₂H₅OH

2. What is the value of X in the reaction below?

Na₂CO₃+2HCl-‘X’+Co₂+H₂O

(a)NaCl

(b) 3NaCl

(c) 2NaCl

(d) None of these

Answer: (c) 2NaCl

3. What is the purest form of iron?

(a) Cast Iron

(b) Wrought Iron

(c) Steel

(d) None

Answer: (b) Wrought Iron

4. Chemical properties of an atom depends on which of the following?

(a)Valency

(b) Atomic Number

(c) Atomic Weight

(d) None of these

Answer: (b) Atomic Number

5. Which one of the following is used as a fuel?

(a) CO₂

(b) C₄H₁₀

(c) CH₃COOH

(d) None of these

Answer: (b) C₄H₁₀

6. The equation of gas laws is?

(a) P₁V₁T₁=P₂V₂T₂
(b) P₁V₁ / P₂V_{2 =} T₁/ T₂
(c) P₁T₁/V₁ = P₂T₂/V₂
(d) V₁T₁/P₁ = V₂T₂/P₂
Answer: (b) P₁V₁ / P₂V_2 = T₁ / T₂

7. Name the metal which is found in liquid state at room temperature?

(a) Silicon

(b) Soda water

(c) Mercury

(d) Iron

Answer: (c) Mercury

1. The Vitamins was introduced by?

Answer: Dr. Casmir Funk

2. What is Hyper Vitaminosis?

Answer: Having excess of Vitamins

3. What is Hypovitaminosis?

Answer: Having low level of Vitamins.

4. Fat soluble Vitamins are?

Answer: A, D, E, K

5. Water soluble Vitamins are?

Answer: B, C

6. Goat milk is a rich source of?

Answer: Vitamin A (Retinol)

7. Vegetables is a rich source of?

Answer: Vitamin A

8. Which Vitamin is essential for Vision?

Answer: Vitamin A

9. Visual pigments such as rhodopsin of rod cells are synthesized from?

Answer: Vitamin A

10. Antixerophthalmic Vitamin?

Answer: Vitamin A

11. Unpolished rice is the richest sources of?

Answer: Vitamin B (Thiamine)

12. Antiberiberi Vitamin?

Answer: Thiamine

13. Antineuritic Vitamin?

Answer: Thiamine

14. Deficiency diseases of Vitamin B?

Answer: Beriberi

15. If Milk is exposed to sunlight for a long time which Vitamin will lose?

Answer: Vitamin B2

16. Deficiency of Niacin (B3) causes?

Answer: Pellagra

17. The word ‘pellagra’ means?

Answer: Rough Skin

18. The Vitamin essential for the formation and maturation of red blood cell?

Answer: B9

19. Cobalt containing Vitamin?

Answer: B12 (Cobalamin)

20. Sunshine Vitamin?

Answer: Vitamin D

21. The Vitamin which cannot be had from any vegetables?

Answer: Vitamin D

22. Antirachitic Vitamin?

Answer: Vitamin D

23. Vitamin essential for the absorption of calcium and phosphorus?

Answer: Vitamin D

24. Vitamin which is used as hormone?

Answer: Vitamin E

25. Which is Antisterility Vitamin?

Answer: Vitamin E

Q1 निम्नलिखित में से पृथ्वी  के अपमार्जक कौन है ?
ANS-फफूंदी और बैक्टीरिया
Q2    सूर्य और प्रथ्वी के बीच में चंद्रमा कब आता है ?
ANS- सूर्य ग्रहण
Q3 आहार-नाल में स्टार्च के पाचन में अंतिम उत्पाद क्या है ?
Ans- माल्टोस
Q4  वायु गुहिकों की उपस्थिति किसका अनुकूलन है ?
ANS – जल पादक
Q5अमीबता से क्या रोग होता है ?
ANS -आमतिसार
Q6 पारिस्थितिक तंत्र में नाइट्रोजन का परिसंचारण किसके द्वारा होता है ?
ANS-जीवाणु
Q7 मछलियों के यकृत-तेल में किसकी प्रचुरता होती है ?
ANS-विटामिन ए
Q8 निम्न में से कौन उर्जा प्रदान नहीं करता ?
ANS विटामिन
Q9 जंगरोधी इस्पात का निर्माण इस्पात का मिश्रात्वं किस से होता है ?
ANS क्रोमियम और निकिल
Q10 निम्नलिखित में से कौन सी गैस उच्चतम ऊष्मीय मान रखती है ?
ANS- भाप-अंगार गैस

1. द. अमेरिका का अधिकांश विस्तार किस गोलार्द्ध में है ?
►-दक्षिणी गोलार्द्ध

2. भूमध्यरेखा पर स्थित द. अमेरिका का देश कौन-सा है ?
►-इक्वेडोर, कोलंबिया और ब्राजील

3. पेरू-बोलिविया सीमा पर विश्व की सबसे अधिक ऊंची नौकायन झील कौन सी है ?
►-टिटिकाका

4. द. अमेरिका की सबसे लंबी नंदी कौन-सी है ?
►-अमेजन नदी

5. विश्व में अपवाह क्षेत्र की दृष्टि से बहने वाली पहली नदी कौन-सी है ?
►-अमेजन नदी

6. विश्व का सर्वाधिक ऊंचा झरना कौन-सा है ?
►-एंजिल (वेनेजुएला में कैरो नदी पर स्थित है यह झरना )

7. किन दो देशों की सीमा पर ओजेस-डेल सलाडो ज्वालामुखी है ?
►-चिली-अर्जेंटीना सीमा

8. विश्व का सबसे ऊंचा ज्वालामुखी कौन है ?
►-ओजेस-डेल सलाडो

9. ओजेस-डेल सलाडो किस पर्वतमाला पर स्थित है ?
►-एंडीज पर्वतमाला

10. संसार में किस देश की राजधानी सबसे अधिक ऊंचाई पर स्थित है ?
►-बोलीविया की राजधानी लापाज

11. समुद्रतल से लापाज की ऊंचाई कितनी है ?
►-3658 मीटर

12. द. अमेरिका का सबसे बड़ा शहर कौन-सा है ?
►-रिया-डि-जेनरो (ब्राजील)

13. द. अमेरिका के अर्जेंटीना में विस्तृत घास के मैदान को क्या कहते हैं ?
►-पम्पास

14. विश्व का दूसरा कोको उत्पादक देश कौन है ?
►-ब्राजील

15. गेहूं की चंद्रकार पेटी कहां स्थित है ?
►-अर्जेंटीना

16. द. अमेरिका में सूरजमुखी का बीज उत्पादन करने वाला देश कौन है ?
►-अर्जेंटीना

17. एंडीज की सबसे ऊंची चोटी का क्या नाम है ?
►-एकांकागुआ (ऊंचाई 6960 मीटर)

18. विश्व की सबसे लंबी पर्वतमाला कौन सी है ?
►-एंडीज

19. ब्राजील में कहवा के बागों को क्या कहते हैं ?
►-फजैंडा

20. अर्जेंटीना के विशाल पशु फॉर्मों को क्या कहते हैं ?
►-एक्टांशिया

21. अर्जेंटीना में पशुपालकों को क्या कहा जाता है ?
►-ग्वांको

22. विश्व में कहवा का पात्र कौन है ?
►-ब्राजील

23. विश्व में कहवा की मंडी कौन है ?
►-सॉओपालो

24. विश्व में सबसे बड़ा मांस निर्यातक देश कौन-सा है ?
►-अर��

MINI Test for govt job seeker

Mini test for government job seeker

1. The primary producer in an ecosystem are?

(a) Men

(b) Plants

(c) Bacteria

(d) Women

2. In which year the planning commission was setup?

(a) 1951

(b) 1952

(c) 1949

(d) 1950

3. The number of eggs normally released during one menstrual cycleis:

(a) 2

(b) 1

(c) 4

(d) 3

4. In case of an inferior good, the income elasticity of demand is?

(a) Negative

(b) Infinite

(c) Positive

(d) Zero

5. Salal is the hydro power project in?

(a) Jammu and Kashmir

(b) Himachal Pradesh

(c) Punjab

(d) Haryana

6. Rajiv Gandhi International Airport is situated in?

(a) New Delhi

(b) Mangalore

(c) Hyderabad

(d) Jammu and Kashmir

ANSWER KEY

1. b 2. d 3. b 4. a 5. a 6. c

1. Who can impose reasonable restrictions over fundamental rights?

(a) Parliament

(b) People

(c) Cabinet

(d) Council of Ministers

2. Who discovered electromagnetic nature of light?

(a) Newton

(b) Maxwell

(c) Young

(d) Snell

3. The Poona Act (1932) was an agreement between:

(a) Gandhi and Ambedkar

(b) Malaviya and Ambedkar

(c) Gandhi and Nehru

(d) Nehru and Ambedkar

4. Over use of resource is called “Tragedy Commons”. It was propounded by:

(a) Seligman

(b) Adolph Wagner

(c) A.P Lerner

(d) Garett gardin

5. Judges of the district court are appointed by:

(a) Chief Minister

(b) Law Minister

(c) President

(d) Governor

6. What is ‘Milindapanho’?

(a) One of the names of Bhudha

(b) A Buddhist Speimen of Art

(c) A Buddhist text

(d) A Buddhist place

7. The first India-Africa Forum Summit was held during 2008 at?

(a) Tana

(b) Bangalore

(c) Addis Ababa

(d) Delhi

8. Who was the head of the 10th finance commission?

(a) Vasant Sathe

(b) Shiv-Shankar

(c) K.C Pant

(d) Manmohan Singh

ANSWER KEY

1. a 2. b 3. a 4. d 5. d

6. c 7. d 8. c

1. ‘World Health Day’ is celebrated on:

(a) April 7

(b) May 7

(c) April 1

(d) May 1

2. Non Co-operation Movement was launched by Gandhiji in the year:

(a) 1919

(b) 1920

(c) 1922

(d) 1940

3. Kayak is a kind of:

(a) Tribal tool

(b) Boat

(c) Ship

(d) Weapon

4. Nasik is situated on the bank of which river?

(a) Krishna

(b) Narmada

(c) Godavari

(d) None of these

5. India’s only sail training ship:

(a) INS Tharangini

(b) INS Virat

(c) INS Garuda

(d) None of these

6. Longest river in the world, Amazon is flowing through?

(a) South America

(b) North America

(c) Africa

(d) Europe

7. Schedule that deals with official languages of India?

(a) 9th

(b) 11th

(c) 8th

(d) None of these

8. Which of the following is associated with Badminton?

(a) Davis Cup

(b) Durand cup

(c) FA Cup

(d) Thomas cup

9. Number of commands in Indian Army?

(a) 62

(b) 7

(c) 6

(d) 20

10. Jim Corbett National Park is located at:

(a) Uttar Pradesh

(b) Jharkhand

(c) Chattisgarh

(d) Uttarakhand

11. Currency of Saudi Arabia:

(a) Dinar

(b) Lira

(c) Riyal

(d) None of these

12. The first lady Governor of Independent India was:

(a) Vijayalaxmi Pandit

(b) Sheila Dixit

(c) Sarojini Naidu

(d) None of these

13. Who is the author of the book ‘Guide’?

(a) V.S Naipaul

(b) R.K Narayan

(c) Tagore

(d) Charles Dickens

14. Supreme Commander of Armed force is:

(a) Army Commander

(b) Prime Minister

(c) Defence Minister

(d) President

15. The first battle of Panipat was fought between:

(a) Prithviraj Chauhan and Mohammed Gauri

(b) Babar and Ibrahim Lodi

(c) Nadir Shah and Muhammed Shah

(d) Clive and Sirazudaula

ANSWER KEY

1. a 2. b 3. b 4. c 5. a

6. a 7. c 8. d 9. b 10. d

11. c 12. c 13. b 14. d 15. b

1. Who can impose reasonable restrictions over fundamental rights?

(a) Parliament

(b) People

(c) Cabinet

(d) Council of Ministers

2. Who discovered electromagnetic nature of light?

(a) Newton

(b) Maxwell

(c) Young

(d) Snell

3. The Poona Act (1932) was an agreement between:

(a) Gandhi and Ambedkar

(b) Malaviya and Ambedkar

(c) Gandhi and Nehru

(d) Nehru and Ambedkar

4. Over use of resource is called “Tragedy Commons”. It was propounded by:

(a) Seligman

(b) Adolph Wagner

(c) A.P Lerner

(d) Garett gardin

5. Judges of the district court are appointed by:

(a) Chief Minister

(b) Law Minister

(c) President

(d) Governor

6. What is ‘Milindapanho’?

(a) One of the names of Bhudha

(b) A Buddhist Speimen of Art

(c) A Buddhist text

(d) A Buddhist place

7. The first India-Africa Forum Summit was held during 2008 at?

(a) Tana

(b) Bangalore

(c) Addis Ababa

(d) Delhi

8. Who was the head of the 10th finance commission?

(a) Vasant Sathe

(b) Shiv-Shankar

(c) K.C Pant

(d) Manmohan Singh

ANSWER KEY

1. a 2. b 3. a 4. d 5. d

6. c 7. d 8. c

1. The Decimal equivalent of (1110011)2 is

(a) 64

(b) 100

(c) 164

(d) 115

(e) 215

2. CPU stands for

(a) Central Processing Unit

(b) Control Processing Unit

(c) Control Programming Unit

(d) Central Programming Unit

(e) Computer Processing Unit

3. RAM is

(a) Read Access Memory

(b) Random Access Memory

(c) Read Address Memory

(d) Random Address Memory

(e) None of the above

4. LAN stands for

(a) Local Address Network

(b) Local Area Network

(c) Logical Area Network

(d) Logical Address Network

(e) None of the above

5. The unit that decodes Data and present to the user is

(a) Output unit

(b) Memory unit

(c) Control unit

(d) Arithmetic and Logical unit

(e) Central Processing Unit

6. Which of the following is a part of CPU?

(a) Monitor

(b) Keyboard

(c) Control unit

(d) Mouse

(e) Joystick

7. ………….. is not an example of Operating System?

(a) Windows

(b) Dos

(c) Linux

(d) Pascal

(e) Unix

8. Which of the following converts an entire program into Machine Language at one time?

(a) Compiler

(b) Interpreter

(c) Translator

(d) CPU

(e) All of the above

9. The key combination for opening Windows XP Task Manager is

(a) Ctrl+Shif+Del

(b) Ctrl+Alt+Del

(c) Ctrl+Alt+Enter

(d) Alt+F1

(e) Ctrl+Alt+X

10. The DOS command for deleting a file is

(a) Del

(b) Erase

(c) Cut

(d) Both (1) and (2)

(e) None of the above

11. A ………….. is a computer that gives some kind of service to other computer in the network

(a) Client

(b) Node

(c) Server

(d) Workstation

(e) Terminal

12. In the options given below, which one is not a goal of computer network?

(a) Resource sharing

(b) Protection of PC from virus

(c) Access to Remote database

(d) Video conferencing

(e) Email

13. The official protocol used on the internet is ……………..

(a) ISO/OSI

(b) TCP/IP

(c) IEEE 802.3

(d) CSMA/CD

(e) X-25 Digital

14. ………. is a program in the users side that is used to search for and display documents in the World Wide Web

(a) Website

(b) Web Address

(c) Web Server

(d) Web Browser

(e) Web Page

15. HTTP is the abbreviation of

(a) Hyper Text Transfer Protocol

(b) Hyper Text Transmission Protocol

(c) Hyper Text Technical Parameters

(d) Hyper Text Technology Progression

(e) None of the above

Answers

1. d 2. a 3. b 4. b 5. a

6. c 7. d 8. a 9. b 10. d

11. c 12. b 13. b 14. d 15. b

1. Who can impose reasonable restrictions over fundamental rights?

(a) Parliament

(b) People

(c) Cabinet

(d) Council of Ministers

2. Who discovered electromagnetic nature of light?

(a) Newton

(b) Maxwell

(c) Young

(d) Snell

3. The Poona Act (1932) was an agreement between:

(a) Gandhi and Ambedkar

(b) Malaviya and Ambedkar

(c) Gandhi and Nehru

(d) Nehru and Ambedkar

4. Over use of resource is called “Tragedy Commons”. It was propounded by:

(a) Seligman

(b) Adolph Wagner

(c) A.P Lerner

(d) Garett gardin

5. Judges of the district court are appointed by:

(a) Chief Minister

(b) Law Minister

(c) President

(d) Governor

6. What is ‘Milindapanho’?

(a) One of the names of Bhudha

(b) A Buddhist Speimen of Art

(c) A Buddhist text

(d) A Buddhist place

7. The first India-Africa Forum Summit was held during 2008 at?

(a) Tana

(b) Bangalore

(c) Addis Ababa

(d) Delhi

8. Who was the head of the 10th finance commission?

(a) Vasant Sathe

(b) Shiv-Shankar

(c) K.C Pant

(d) Manmohan Singh

ANSWER KEY

1. a 2. b 3. a 4. d 5. d

6. c 7. d 8. c

1. ‘World Health Day’ is celebrated on:

(a) April 7

(b) May 7

(c) April 1

(d) May 1

2. Non Co-operation Movement was launched by Gandhiji in the year:

(a) 1919

(b) 1920

(c) 1922

(d) 1940

3. Kayak is a kind of:

(a) Tribal tool

(b) Boat

(c) Ship

(d) Weapon

4. Nasik is situated on the bank of which river?

(a) Krishna

(b) Narmada

(c) Godavari

(d) None of these

5. India’s only sail training ship:

(a) INS Tharangini

(b) INS Virat

(c) INS Garuda

(d) None of these

6. Longest river in the world, Amazon is flowing through?

(a) South America

(b) North America

(c) Africa

(d) Europe

7. Schedule that deals with official languages of India?

(a) 9th

(b) 11th

(c) 8th

(d) None of these

8. Which of the following is associated with Badminton?

(a) Davis Cup

(b) Durand cup

(c) FA Cup

(d) Thomas cup

9. Number of commands in Indian Army?

(a) 62

(b) 7

(c) 6

(d) 20

10. Jim Corbett National Park is located at:

(a) Uttar Pradesh

(b) Jharkhand

(c) Chattisgarh

(d) Uttarakhand

11. Currency of Saudi Arabia:

(a) Dinar

(b) Lira

(c) Riyal

(d) None of these

12. The first lady Governor of Independent India was:

(a) Vijayalaxmi Pandit

(b) Sheila Dixit

(c) Sarojini Naidu

(d) None of these

13. Who is the author of the book ‘Guide’?

(a) V.S Naipaul

(b) R.K Narayan

(c) Tagore

(d) Charles Dickens

14. Supreme Commander of Armed force is:

(a) Army Commander

(b) Prime Minister

(c) Defence Minister

(d) President

15. The first battle of Panipat was fought between:

(a) Prithviraj Chauhan and Mohammed Gauri

(b) Babar and Ibrahim Lodi

(c) Nadir Shah and Muhammed Shah

(d) Clive and Sirazudaula

ANSWER KEY

1. a 2. b 3. b 4. c 5. a

6. a 7. c 8. d 9. b 10. d

11. c 12. c 13. b 14. d 15. b