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Ignou > FST-1 > Flashcards

FST-1 Flashcards

1
Q

Spors transferred to many planets from outer space which have birth to initial living organisms

A

Ancient Greek idea

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2
Q

The scientist known for his experiments on dogs to explain the concept of stimulus

A

Ivan pavlov

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3
Q

Approximately how much time is taken by nature to build a centimetre of top soil

A

50 years

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4
Q

Streams of charged particles flowing out from the sun are known as

A

Solar wind

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5
Q

Measles is caused by ?

A

Virus

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6
Q

_____ monsoon is responsible for over 80 percent of total rainfal in most parts of the country

A

South- west

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7
Q

Long neck of giraffe is an evolutionary adaptation to eat leaves of high trees this theory of evolution atributed to ?

A

Darwin

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8
Q

The number of days taken by moon to complete one revolution around the earth and one rotation on its axis are respectively

A

27.33 and 27.33

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9
Q

What is not true abt soil sickness

A

Plantation of legumes increases soil sickness

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10
Q

Brihatasamhita a compilation of astronomical findings was written by

A

Varahamihira

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11
Q

What was the key feature of copernican revolution

A

Rejection of heliocentric model of solar system

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12
Q

Which one of the following is the correct sequence of computer program

A

Input - process - output

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13
Q

Which of the following is the most commonly used semiconductor

A

Silicon

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14
Q

Conservation of minerals can be achieved by

A

Judicias use of minerals
Recovery of minerals from used scrap
Replacing use of metals with alloys of common minerals

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15
Q

Low Needle like leaves are the characteristics of trees found in which type of forest

A

Very cold forests

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16
Q

Identify the correct technique of genetic engineering technique

A
  1. Extraction of plasmid DNA from host cell
  2. Cutting of DNA at the cleavage sites
  3. Joining host DNA with foreign DNA
  4. tranfer of modified DNA to host cell
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17
Q

What were the first products formed during Miller’s experiment related to origin of life

A

Amino acids

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18
Q

Reaction of charged particles from the sun with the atoms of the earth’s atmosphere is responsible cause of

A

Aurora borealis

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19
Q

Who credited with the first scientific study off eye diseases and optics

A

Arabs

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20
Q

What was specific about sita land during the Mauryan empire

A

Land cultivated by sudras was owned/ controlled by them

Land cultivated by sudras was under the supervision of crown officials

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21
Q

Statement for hypothesis

A

An object falls to the ground because it is attracted by the earth

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22
Q

What is a constellation

A

An arbitrary grouping of Stars in the sky

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23
Q

Radioactive isotope of _____ is used to estimate the age of fossils in which all organic matter has decayed

A

Carbon

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24
Q

When was the colour transmission of doordarshan started in india

A

1982

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25
Q

Which is not true with respect to soil erosion

A

Brick- making and road laying can curtail soil erosion

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26
Q

Pulses are an excellent source of ____ and also fix atmospheric ____

A

Protein, nitrogen

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27
Q

Which is not renewable resource

A

Coal

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28
Q

Which is not a constituent of photochemical smog

A

Sulphur dioxide

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29
Q

Which is not a constituent of photochemical smog

A

Sulphur dioxide

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30
Q

From the spectrum of colours in sunlight,____ is absorbed in the top layer of oceanic water while ___ penetrates farthest

A

Red, blue

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31
Q

Ocean current can be generated by

A

By changes in the density of sea water
Due to temperature difference
By prevailing winds
By the effect of earth’s rotation

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32
Q

IQ of majority population is considered to be average. What is the iq range here

A

90-109

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33
Q

Which of the following are true about earliest primates

A

They were noctoral animals
They were insect eaters
They lived on trees

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34
Q

Who did not support the theory of sun being at the centre

A

Ptolemy

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35
Q

A departing ship seems to be sinking below the horizon of the sea.this observation helped in understanding which feature of the earth

A

Shape of the earth

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36
Q

Shells of oysters, snails are formed from_____

A

Calcium carbonate

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37
Q

Root nodules of plants such as beans, peas, alfaalfa carry ___ in their root nodules

A

Nitrogen fixing bacteria

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38
Q

How to control increase in population in our cities

A

Devlopment of rural industries

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39
Q

Key use of adding caustic soda in wastewater

A

Settling of finer particles

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40
Q

Post monsoon crops sown between October and march

A

Rabi crops

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41
Q

Sugar yielding crops, sugar beet removes the excessive _____ and having high amount of it improves the texture of the soil

A

Sodium

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42
Q

Which proteins have all the essential amino acids and are called complete or high quality proteins

A

Animal

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43
Q

_____ found in green pepper and lemon gets destroyed while cooking at high temperature

A

Vitamin C

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44
Q

Engulfing of germ cells / invasion is performed by

A

WBC

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45
Q

Which term indicates how far the organism is from the producer in the food chain

A

Trophic level

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46
Q

Which does not constitute technology transfer

A

Development of technology

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47
Q

Which organisation is responsible for manufacturing drugs in india

A

Hindustan antibiotics limited

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48
Q

Which is not true abt advancement in communication

A

It has led to growth in agriculture

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49
Q

What is Lead time in the scientific development

A

Time between discovery and it’s application

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50
Q

___ is used for making optical fibres

A

Quartz

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51
Q

Functions like addition, subtraction, division are done by what on computer

A

CPU

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52
Q

What represents life in the iron age

A

People used tools made of iron
People practiced agriculture
Period of constant war between human societies

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53
Q

Sequence of method of science

A

Observation and framing questions
Framing hypothesis
Conducting experiments
Framing laws and theories

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54
Q

Discoveries in 18 th c

A

Oxygen by Joseph priestly

Atomic theory John dalton

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55
Q

Galaxy is a collection of

A

Stars

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56
Q

Chairman of the national planning committee founded in 1938 by the Congress

A

Jawaharlal Nehru

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57
Q

Which is not true abt British contribution to the development of science and technology

A

Research in physics and chemistry was encouraged to promote industrial revolution in India

58
Q

Solar radiation received on Earth per sq cm in a 12 hour day is approximately

A

500 kilocalories

59
Q

______ offers great scope to produce pedigree animals on a mass scale within short period of time

A

Embryo transfer

60
Q

Which of the following is true abt ozone layer

A

It absorbs uv rays and saves us from harmful effects

61
Q

____ can be used to detect moisture (water) in the soil

A

Gamma rays

62
Q

The characteristics soil type of Deccan and malwa plateau region is

A

Black soil

63
Q

Slash and burn or podu cultivation has been an age old tribal practice in

A

Hills hilly regions

64
Q

Alkalinity of soils is mainly due to the presence of high amount of ____ and ____ of sodium

A

Carbonates, bicarbonate

65
Q

Goitre is caused due to the deficiency of

A

Iodine

66
Q

_____ is known as body building food

A

Protein

67
Q

Sulva sutra from indus valley civilization is a detailed description of

A

Geometry

68
Q

First university to grant a degree in science was

A

University of Bombay

69
Q

Which of the following led to the industrial revolution in Europe

A

Prohibition of imports of cotton textile from India.

Ability to use steam powered machine on a large scale

70
Q

Who considered the earth to be round

A

Thales

71
Q

Almagest was published by

A

Ptolemy

72
Q

Unit of measurement to measure distance between the cosmic objects

A

Light year

73
Q

What is considered to be the fingerprint of a star

A

Unique spectrum of energy bands

74
Q

All the living organisms of earth have to be grouped into_____ kingdoms

A

Five

75
Q

Which group represents flowering plants

A

Angiosperms

76
Q

______ is not a characteristic of adolescence

A

Weakening of muscles and bones

77
Q

Which part of the human brain tmis responsible for controlling taste buds on our tongue

A

Cerebrum

78
Q

Axon and dendrites are parts of

A

Neuron

79
Q

Laser light is commonly not used for

A

Treatment of cancer

80
Q

According to scientific policy resolution 1958Which of the following factors are important for national prosperity

A

Technology
Raw material
Capital

81
Q

Wrong match of tools used in stone age with its use

A

Chopper - cracking bones

82
Q

A small chip containing a large number of semiconducting devices in a definite pattern is known as

A

Integrated circuit

83
Q

Self reliance that father of our nation Mahatma Gandhi preached and personally practiced symbolised

A

Swadeshi

84
Q

Which is incorrect regarding life during bronze age

A

People used tools made of iron

85
Q

Program of action on the establishment of a new international economic order was passed in 1974 by

A

United Nations

86
Q

Power is supplied by all except

A

Human brain

87
Q

Use of steam begin during

A

18thC

88
Q

Purgatives for Common diseases like fever, cholera, leprosy was described in which treatise

A

Charaka samhita

89
Q

Radiations realised by human body and other warm objects is known as

A

Infrared

90
Q

What is wavelength

A

Distance between two successive crests

91
Q

Theory of spontaneous generation was disproved by

A

Miller

92
Q

Ageing takes place when

A

More cells are destroyed then they are replaced

93
Q

______ material can be dated using radiocarbon method

A

Organic

94
Q

_____ has no role in learning and remembering information in a textbook

A

Beauty

95
Q

To impart education in a open University which plays a crucial role

A

Media and communication

96
Q

In hot dessert regions where there is abundance of sunshine it causes high rate of ___

A

Evaporation

97
Q

Besal metabolic rate ( BMR)

A

Infant - adolescence

Cold climate - hot climate

98
Q

Solar energy enters life mainly through green plants and also through bacteria and algae which are called

A

Producers

99
Q

Nitrogen the form of nitrates is taken up by the plants and converted into ____ the building blocks of protein

A

Amino acids

100
Q

Which is not a cause of destruction of forest in the country

A

Chipko andolan

101
Q

Which breeds produced soft and warm fibres for making shawls

A

Pashmina

Chegu

102
Q

Marine and freshwater fish are excellent source of

A

Animal protein

103
Q

Drylands constituents what percentage of our cultivated lands

A

74%

104
Q

Merely absence of diseases is not an indicator of

A

Good health

105
Q

Way to minimise difficulties associated with modern agriculture

A

Use renewable resource of energy
Better seeds and cropping practice
Reducing wastage of all kinds

106
Q

Which technology involves the transplantation of embryo from a healthy mother to surrogate mother

A

Embryo transfer technology

107
Q

Drugs assist body in

A

Killing germs

108
Q

The way to train our body in advance with a sample of weekend invader is referred to as

A

Vaccination

109
Q

Which is essential requirement of community health

A

Proper disposal of human excreta

110
Q

Pellagra a deficiency disease of skin is caused due to

A

Vitamin B

111
Q

Outer part of an organ like brain, kidney adrenals is known as

A

Cortex

112
Q

What changes takes place during adolescence

A

Rapid physical growth
Change in social position of individual
Knowledge base and cognitive development

113
Q

Measuring iq is really measuring a person’s

A

Mental age

114
Q

Salt Satyagraha also known as Salt March or Dandi March was an act of non violent civil disobedience in colonial India led by Mahatma Gandhi in which year

A

1930

115
Q

The study of efficiency of a person’ in his working environment is called

A

Human factor engineering

Also known as ergonomics

116
Q

In which year did the Major nuclear accident at the Chernobyl nuclear power plant take place in ussr

A

1986

117
Q

The ability to control and manipulate microbes and use them for various applications has resulted in the

A

Current microbiology

118
Q

Which transfers data from user to the memory of ALU

A

Input devices

119
Q

What enables engineers to design and test their proposed product on the computer

A

CAD( computer aided design)

120
Q

Nylon and rayon are examples of

A

Synthetic fibres

121
Q

A person is said to leave on the poverty line if he / she is not able to provide _____ for himself or herself

A

1500 cals/ day

122
Q

Name the poisonous substance that is present in turmeric and can cause cancer

A

Metanil yellow

123
Q

The difference between two successive crests or two successive troughs is

A

Wavelength

124
Q

What are the individual starts like sun as well as groups of stars that move together in the disc is called

A

Galactic clusters

125
Q

Who was the first astronomer to survey the size and shape of Milky way galaxy

A

Harlow sharpley 1918

126
Q

Which branches of astronomy the radiowaves emitted by various objects are collected and analysed

A

Radio astronomy

127
Q

Who gave the theory of chemical evolution

A

Oparin- haldane

128
Q

(NIEO) New international economic order was declared by Uno in

A

1974

129
Q

What were the Indian see going ships, until first half of the 17thc called by Europeans

A

Junks

130
Q

Who discovered the law of elastic properties of matter

A

Robert hooke

131
Q

What gives detailed description of the natural and man made features of a place or region on maps or charts

A

Topography

132
Q

Who discovered oxygen at around the time of the industrial revolution

A

Joseph priestly

133
Q

Which is profusely supplied with blood vessels and often referred to as gray matter because of its colour

A

Cerebral cortex

134
Q

Who gave sanskrit names kunchanagraph and shoshangraph to the instruments

A

J.C Bose

135
Q

The national planning committee was formed in 1938 under the chairman ship of

A

Jawaharlal Nehru

136
Q

Birbal sahni is associated with which field

A

Palaeobotany

137
Q

_____ is not complete nor it is ever like to be final

A

Scientific knowledge

138
Q

Which type of reasoning depends on testing an existing theory

A

Deductive reasoning

139
Q

What was Milky way galaxy called by our ancestors

A

Aakash Ganga

140
Q

Molecules which contain carbon and hydrogen are called

A

Organic molecules

141
Q

Keplers which law states that planets move faster in their orbits when they are nearer to the sun and slower when are away from the sun

A

Second law

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