Science and Technology bits

Science and Technology bits

1.	Green pigment is called	:	Chlorophyll
2.	The carbohydrate produced in the photosynthesis	:	Glucose
3.	Sweetest sugar is	:	Fructose
4.	Respiration in Amoeba occurs by	:	Diffusion
5.	Respiratory pigment is	:	Haemoglobin
6.	The colour of the blood in Crabs and Snails is	:	Blue
7.	In cockroach the blood is	:	White color
8.	The normal blood pressure of man is	:	120 / 80 mmHg
9.	Doctors measure blood pressure with the instrument called	:	Sphygmomanometer
10.	The inter cellular fluid in blood is	:	Plasma
11.	Nucleus is present in RBC of animals like	:	Camel
12.	Hormone that controls Phototropism and Geotropism in plants is	:	Auxins
13.	Early ripening of fruits is promoted by	:	Ethylene
14.	The master gland of the body	:	Pituitary gland
15.	Deficiency of iodine in food results in the enlargement of mixed gland	:	Pancreas
16.	Deficiency of Insulin causes	:	Diabetes mellitus
17.	The largest part of the brain is	:	Cerebrum
18.	The 3 tests for detecting HIV are	:	ELISA, Western blot test, PCR tests
19.	Deficiency of Iron causes	:	Anaemia
20.	Deficiency of Iodine causes	:	Hypothyroidism
21.	Excessive intake of fluorine results in	:	Fluorosis
22.	The name vitamin was given by	:	Funk
23.	The rainfall at a particular place is measured by	:	Rain gauge
24.	Forests that grow near the sea shores are called	:	Mangroves
25.	The gas responsible for global warming is	:	Carbon dioxide
26.	Examples for non-renewable resources are	:	Coal, Petroleum
27.	Carbon dioxide, Nitrogen Oxide, Chlorofluro carbons, and hydrocarbons are also called as	:	Green house gases
28.	Ozone layer is damaged by	:	Chlorofluro Carbons
29.	The big waves created in the sea because of the eruption of volcanoes are called	:	Tsunami
30.	Environment friendly fuel is	:	CNG
31.	Which lamps are used to minimize electricity consumption	:	Compact fluorescent
32.	In human body fats are stored in	:	Adipose tissue
33.	We feel thirsty when	:	Osmotic pressure of blood increases
34.	Which organism is used in production of alcohol?	:	Yeast
35.	Gasohol is a combination of gasoline and	:	Ethyl alcohol
36.	Biochemical and histological examination of tissues is called	:	Biopsy
37.	Oil spreads over the surface of water because	:	Oil has less surface tension than water
38.	When an iron nail gets rusted, the weight of the iron nail is	:	Increased
39.	The element common to all acids is	:	Hydrogen
40.	Non-stick cooking utensils are coated with	:	Teflon
41.	Monazite is an ore of	:	Thorium
42.	The gas usually filled in the electric bulb is	:	Mixture of Nitrogen and Argon
43.	Washing soda is the common name for	:	Sodium carbonate
44.	The hardest substance available on the earth is	:	Diamond
45.	The working principle of a Washing Machine is	:	Centrifugation
46.	The audible sounds having a frequency of	:	20 to 20,000 hertz
47.	The major component in the LPG is	:	Propane
48.	Carbon dioxide is called greenhouse gas because	:	It absorbs infrared radiation
49.	Balloons are filled with	:	Helium
50.	Bell metal is an alloy of	:	Tin and Copper
51.	Heavy water is	:	Deuterium oxide
52.	The gases used in different types of welding would include	:	Oxygen and Acetylene
53.	Cooking oil can be converted into vegetable ghee by the process of	:	Hydrogenation
54.	Milk is an example of	:	Emulsion
55.	Coloured glasses for goggles contain	:	Ferrous Oxide
56.	The bacterium responsible for causing plague is	:	Yersinia pestis
57.	Who is known as the father of Indian Ecology?	:	R. Mishra
58.	The chemical name of Aspirin is	:	Acetylsalicylic acid
59.	Which vitamin has cobalt	:	Vitamin B12
60.	Dry Ice is	:	Solid Carbon dioxide
61.	The protein used in paper coating is	:	Casein
62.	The largest group of plant kingdom is	:	Thallophyta
63.	Bacteria was discovered by	:	Antonie Van Lecuwenhoek
64.	The Universal Blood Recipient is	:	AB
65.	Which acid is found in apples	:	Malic acid
66.	The basic structural and functional unit of life is	:	Cell
67.	The universal blood group donor for all group is	:	Blood Groop O
68.	Which human gland does secret growth hormone?	:	Pituitary gland
69.	Astronomical Distance is measured in	:	Light year
70.	One byte equal to	:	8 bit
71.	Steel is mainly alloy of	:	Iron and Carbon
72.	What does air bag, used for safety of car driver, contain?	:	Sodium azide
73.	Complete loss of memory is called	:	Amnesia
74.	The stones formed in human kidney mainly consist of	:	Calcium oxalate
75.	The oxide of which element is used as coolant?	:	Nitrogen
76.	Sleeping Sickness happens due to	:	Trypanosoma
77.	The gas used in the manufacture of Vanaspati from Vegetable Oil is	:	Hydrogen
78.	A device which converts electrical energy into mechanical energy is	:	Electric Motor
79.	In which industry is mica used as a raw material?	:	Electrical Industry
80.	The oxides of which gases cause acid rain?	:	Oxides of Nitrogen and Sulphar
81.	The substance used for artificial rains is	:	Silver Iodide
82.	Red light is used as danger signal because it	:	is scattered least
83.	Chromosomes consist of	:	DNA and Proteins
84.	Ozone layer in the outer atmosphere helps in	:	Absorbing UV radiations
85.	Which of the following is known as graveyard of RBCs?	:	Spleen
86.	The name of the white revolution is associated with	:	Kurien Verghese
87.	Name the first Lunar Rover of China, which was carried by an unmanned remotely piloted spacecraft Chang'e-3 and was deployed successfully on moon on 14 December 2013?	:	Jade Rabbit (called Yutu in Chinese)
88.	Which country scientists recently developed Li-Fi Tech, a new cheaper way of getting connected to internet by using signals sent through light bulbs ?	:	China
89.	"Green House Effect" means -Trapping of Solar energy due to atmospheric carbon dioxide 2, 4-d is a	:	herbicide
90.	The nuclear reaction involved in a nuclear reactor is	:	Fusion
91.	The scientist associated with the success of Green Revolution is	:	Norman Borlaug
92.	Centre for DNA fingerprinting is located at	:	Hyderabad
93.	Solar energy is due to	:	fusion reactions
94.	A non-conventional source of power is	:	Solar Power
95.	India's permanent Research Station 'Dakshin Gongotri' is located at	:	Antarctica
96.	Penicillin, an antibiotic, is obtained from	:	Fungus
97.	Where was India's first computer installed?	:	Indian Statistical Institute, Calcutta
98.	Where the early Tsunami warning system was installed to predict a tsunami immediately after an earthquake?	:	Rangachang in Andaman and Nicobar Islands
99.	____ are used to supply Nitrogen to paddy.	:	Blue green algae
100.	The fish released into ponds and wells to control the mosquitoes is	:	Gambusia
101.	Stranger Gas is called as	:	Xenon
102.	In the human body, the longest cell is	:	Liver Cell
103.	_____ is used to make electric heater coil.	:	Nichrome
104.	The formation of fruit without fertilisation is known as	:	Parthenicarpy
105.	Root modules are commonly found in ____ plants.	:	Leguminous
106.	Alzheimers disease is a disorder of the	:	Brain
107.	Chromosomes of the ___ will determine the sex of a child.	:	Father
108.	Hypermetropia or long sight can be corrected by using	:	Concave lenses
109.	A plant product obtained from dried latex is	:	Opium
120.	Cryogenic engines are used in	:	Rockets
121.	Skin Cancer is caused due to presence of excess ____ in water.	:	Arsenic
122.	The largest satellite in solar system is	:	Ganymede
123.	German Silver is an alloy of	:	Copper, Zinc & Nickel
124.	The tracking of people by trained dogs is based on the recognition of _____ from feet.	:	Carboxylic sweat
125.	Boiling point of water depends on	:	atmospheric Pressure
126.	An astronaut in outer space will observe sky in	:	Black colour
127.	The polymer used in making plastic crockery is	:	Melamine
128.	Food is cooked in a pressure cooker quickly because boiling point of water	:	Increases
129.	Which vegetable's genome was sequenced completely in 2012?	:	Tomato
130.	Complete loss of memory is called	:	Amnesia