The solid angle is measured in _______. Steradian
The coldness or hotness of a substance is expressed by _______.
Temperature
_______ is used to measure electric current.
Ammeter
The uncertainty in measurement is called as _______.
Errors
The closeness of the measured value to the original value is _______
Accuracy
The intersection of two straight lines gives us_______.
Plane angle
The pressure of a liquid column _____ with the depth of the column.
Increases
Hydraulic lift works under the principle of _____.
Pascal's law
The property of _____ of a liquid surface enables the water droplets to move upward in plants.
surface tension
A simple barometer was first constructed by _____.
Torricelli
The spherical mirror used in a beauty parlour as make-up mirror is ________.
Concave mirror
Geometric centre of the spherical mirror is ________.
Pole
Nature of the images formed by a convex mirror is _________.
virtual image
The mirror used by the ophthalmologist to examine the eye is ________.
Concave mirror
It the angle of incidence is 45°, then the angle of reflection is ______.
45°
If an object is placed between two mirrors which are parallel to each other, the number of images formed is _________
Infinite
The element which possess character of both metals and non metals are called_______.
metalloids
The symbol of Tungsten is ________
ω
Melting point of most metal is __________ than non-metal.
More (higher)
Water contains _______ and ______ element
Hydrogen and Oxygen
______ is used as semiconductor
Silicon (metalloid)
Photosynthesis is a chemical reaction that takes place in presence of _________.
sunlight
Iron objects undergo rusting when exposed to ______ and ______.
Water and oxygen
______ is the basic material to manufacture urea.
Ammonia
______ is a chemical substance which alters the speed of a chemical reaction.
catalyst
______ is the enzyme responsible for browning of vegetables, fruits.
Polyphenol oxidase or tyrosinase.
_______ are the infectious protein particles.
Prions
The infact virus particle found outside the host cell is _______.
Virion
Micro organism can be seen with the help of a _______.
Microscope
Bacteria, which have a flagellum at one end is classified as _______.
Monotrichous
The word ‘Taxonomy’ is derived from __________.
Greek words Taxis and Nomos
Binomial Nomenclature was first introduced by ________
Gaspard Bauhin
The book “Genera Plantarum” was written by _________
Bentham and Hooker
Brown algae belongs to _________class.
phaeophyceae
Agar Agar is obtained from ________
algae.
red
The reserve food material of fungi are _______ and ______
glycogen and oil
The first true land plant is ______
pteridophytes
Xylem and phloem are absent in________ plants.
Bryophytes [non vascular crypotogams]
Reticulate venation is present in ________ plants.
Dicotyledonae
_______ is the structural and functional unit of living organisms.
Cell
The largest cell is egg of an _________.
Ostrich
______ is a good example for anaerobic respiration.
Yeast
_______ nerve is located at the end of the eyes behind the retina.
Optic
The size of the cells are measured in units of __________.
Micron
A calorimeter is a device used to measure the________.
heat capacity of a liquid
_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.
specific heat capacity
A thermostat is a device which maintains _________.
Constant temperature
The process of converting a substance from gas to solid is called_________.
deposition
If you apply heat energy, the temperature of a system will ________.
increase
If the temperature of a liquid in a container is decreased, then the interatomic distance will ___________.
decrease
______ is called as vital life
Oxygen
Nitrogen is ________ than air.
lighter
________ is used as a fertilizer.
Nitrogen (Ammonia)
Dry ice is used as a _________.
refrigerent
The process of conversion of iron into hydrated form of oxides is called ___________.
rusting
_______ is the smallest particle of an element.
Atom
An element is composed of _________
atoms.
similar
An atom is made up of _________, _________ and _________.
proton, electron and neutron
A negatively charged ion is called _________, while positively charged ion is called __________ anion, cation
_______ is a negatively charged particle
Electron
Proton is deflected towards the _________ charged plate
negatively
Movement of organisms from place to place is called __________.
locomotion
__________ refers to change in position of the part of an organisms body.
Movement
A structure which provides rigid frame work to the body is called __________
skeleton
Axil skeleton in human consists of __________, __________, __________ and __________.
skull, sternum, ribs and vertebral column
Appendicular skeleton in human consists of __________ and __________.
pectoral girdle and pelvic girdle
____________ is secreted by the ovaries of female.
Estrogen
The hormones secreted by the gonads are controlled by __________
Adeno hypophysis of Pituitary gland
Milk secretion during lactation is controlled by ____________ hormone
Prolactin
The male and the female gamete fuse together and form ____________
Zygote
The first menstrual flow begins at puberty and it is termed as ______________
Menarche
_____________ usually occurs 14 days after ovulation.
Menstruation
_____________ includes protein, carbohydrates, fats and vitamins in requisite proportion.
Balanced diet
____________ helps to prevent thyroid gland related diseases.
Iodine
Iron deficiency leads to ____________
Anaemia
In women fertilization takes place at ___________
Fallopian tubes
Sound is produced by __________.
vibrating bodies
The vibrations of a simple pendulum are also known as __________.
periodic
Sound travels in the form of _________.
longitudinal wave
High-frequency sounds that cannot be heard by you are called_________.
Ultrasonic sound.
Pitch of a sound depends on the ________
vibration.
frequency
If the thickness of a vibrating string is increased, its pitch ___________.
decreased
The magnetic strength is ________ at the poles.
high
A magnet has ________ magnetic poles.
two
Magnets are used in ________ for generating electricity.
dynamos
_______ are used to lift heavy iron pieces.
Electromagnets
A freely suspended bar magnet is always pointing along the ________ north-south direction.
geographical
The study about stars and planets are known as ________.
Astronomy
Our sun belongs to __________ Galaxy.
Milky way
Mars revolves around the Sun once in __________ days.
687 days
_____ is India’s first interplanetary mission.
Mangalyaan
__________ was the first man to walk on the surface of the Moon.
Neil Armstrong
The boiling point of water is __________
100 C
Temporary hardness of water can be removed by __________ of water.
boiling
The density of water is maximum at __________
4 C
Benzoic acids are used for_______
food preservation.
The word sour refers to _______ in Latin.
Acidus
Bases are _______ in taste.
Bitter
Chemical formula of calcium oxide is _______
CaO
Wasp sting contains __________
alkaline substance (acetylcholine)
Turmeric is used as a__________
indicator.
In acidic solution the colour of the hibiscus indicator paper will change to _____
deep pink
Producer gas is a mixture of _______ and __________
carbon monoxide and nitrogen
______ is known as marsh gas.
Methane
The term petroleum means _______
liquid form of crude oil
Heating coal in the absence of air is called __________
destructive distillation of coal
An example for fossil fuel is __________
petroleum
The process of actively growing seedling from one place and planting in the main field for further growth is called __________
transplanting
__________ is a plant growing in a place where it is not wanted.
Weed
The chemicals used for killing the weeds or inhibiting their growth are called __________
Herbicides
__________ seeds transfers its unique characteristics to the descents.
Heir loom
__________ centers serve as the ultimate link between ICAR and farmers.
Krishi Vigyon Kendra
Several popular high yielding varieties of major crops have been developed by __________
IARI
WWF stands for ___________.
World Wildlife Fund
The animal found in a particular area is known as ________.
fauna
Red Data Book is maintained by ___________.
International Union for Conservation of Nature
Mudumalai Wildlife Sanctuary is located in ________ district.
Nilgiris
______ is observed as ‘World Wildlife Day’
March 3rd
NMMS EXAM
சமூக அறிவியல்
பாடவாரியான
தேர்வு நடத்துவதற்கு
தேவையான வினாத்தாள்
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