With reference to Friction, which of the following is incorrect?

Which of the following are used to reduce friction?
1. Lubricants
2. Air
3. Ball bearings

With reference to fluid friction, which of the following given statements is/are correct?
1. Frictional force exerted by fluids is called drag.
2. Frictional force depends only on speed with respect to fluid.

Which of the given statements is/are correct about the mechanism of producing sound in humans:
1. Voice box im human body is also called as larynx, which is at lower end of windpipe.
2. Voice box in women is smaller than men, smallest in children.

With reference to Vibration, consider the following statements:
1. Vibration is also called oscillatory motion.
2. Number of oscillations per second is frequency, expressed in Hertz.
Which of the above given statements is/are correct?

Which activities should not be done during thunderstorm?
1. Carrying umbrella
2. Shelter under small trees
3. Lying on ground
4. Stay away from poles

Arrange sources of sound in order of loudness:
1. Normal breathing
2. Soft whisper
3. Busy traffic
4. Average factory
5. Normal conversation

With reference to Noise, consider the following statements:
1. Sound 20 kHz is inaudible, called noise pollution.
2. Excessive noise causes sleep loss, hypertension, anxiety, health disorders.
Which of the above given statements is/are correct?

Which solutions conduct electricity?
1. Distilled water with salt
2. Tap water/hand pump water
3. Distilled water
4. Acids and Bases

With reference to Asexual reproduction, match the following:
Asexual Reproduction     Animals
1. Metamorphosis –           A. Frog
2. Budding –                      B. Hydra
3. Binary Fission –             C. Amoeba

Consider the following about changes in human body during 10–19 years:

1. Period of adolescence marks reproductive maturity.
2. Adolescence covers teens, may begin earlier in boys.
3. Adolescence mark the onset of puberty only found in girls, i.e. girls become capable of reproduction.
Which of the above given statements is/are correct?

With reference to changes at Puberty:

1. Girls initially grow faster than boys, both reach max height ~18 years.
2. In girls, waist and shoulders widen; in boys, only shoulders widen.
3. Growing Boys’ voice box can be seen as a protruding part of the throat called Adam’s apple.
Which of the above given statements is/are correct?

Consider the following about Hormones:
1. Hormones are secretions from endocrine glands.
2. Male hormone is estrogen, female hormone is testosterone.
Which of the above given statements is/are correct?

Match reproductive phase terms:
Terms                    Effects
1. Fertilization –    A. Pregnancy
2. Menstruation – B. Bleeding in women
3. Menarche –     C. Beginning of puberty
4. Menopause –   D. Menstrual cycle stops

With respect to glands in human body:

1. Thyroid – A. Goitre
2. Pancreas –B. Diabetes
3. Adrenals –C. Imbalance of salt in blood

Consider the following about Force:
1. Change in speed/direction described as force.
2. Force responsible for change in state of motion.
Which of the above given statements is/are correct?

With reference to Friction force:
1. Friction acts opposite to motion.
2. Boat stops when rowing stops due to friction, a contact force.
Which of the above given statements is/are incorrect?

Consider the following forces:
1. Magnetic
2. Electrostatic
3. Gravitational
4. Muscular
Which of the above is/are the examples of non-contact force?

With reference to Pressure:
1. Winds and cyclones caused by air pressure differences.
2. Atmospheric pressure is pressure exerted by air above earth.
3. Pressure inside our bodies balances atmospheric pressure.
Which of the above given statements is/are incorrect?

Who discovered the cell present in living organisms?

Consider the following statements about Cells:

1. Amoeba and Paramecium are unicellular organisms, cannot perform all functions of multicellular organisms.
2. Human body is multicellular, groups of cells perform variety of functions.
3. Components of cell are enclosed in a membrane, providing shape to plant and animal cells.

Which of the above statements is/are correct?

Which are common between Amoeba and White Blood Cell (WBC)?

1. Both are unicellular.
2. Both use pseudopodia.
3. Both are round in shape.

Which of the following are present in the nucleus?

1. Chromosomes
2. Vacuole
3. Protoplasm

With reference to plant cell:

1. Coloured bodies in cytoplasm are called plastids.
2. Green plastids are called chloroplasts.

Which of the above statements is/are correct?

With reference to gametes in humans:

1. Gametes fuse to form zygote which develops into a new individual.
2. Female zygote is called ova whereas male zygote is called as sperm.

Which of the above statements is/are incorrect?

Which statement is incorrect about Fertilisation?

Consider the following about Viviparous and Oviparous animals:
1. Animals giving birth to young ones are Oviparous.
2. Animals laying eggs are Viviparous.
3. In both, internal fertilisation occurs.
Which of the above given statements is/are correct?

Consider the following about Fire Extinguishers:

1. Water is common extinguisher but not suitable for electrical/oil fires.
2. CO2 is best for electrical/petrol fires, covers fire like blanket.
3. CO2 stored at high pressure as liquid or as dry powder chemicals.

Which of the above statements is/are correct?

Consider the following about types of Combustion process:

1. Phosphorus burns at room temperature – rapid combustion.
2. Coal dust burning, forest fires – spontaneous combustion.

With reference to candle flame colours, which option is correct?

Arrange fuels in increasing order of calorific value:

1. Wood
2. Coal
3. Diesel
4. Biogas
5. Hydrogen

Match the following:

1. Wildlife Sanctuary –   A. Animals protected from disturbance
2. National Park –          B. Areas reserved for wildlife, no exploitation
3. Biosphere Reserve – C. Protected land for wildlife and tribals

Arrange places in Pachmarhi Biosphere Reserve north to south:

1. Pachmarhi Sanctuary
2. Tawa Reservoir
3. Bori Sanctuary
4. Satpura National Park

Consider the following about Species:

1. Species is a group of population which is capable of interbreeding and members have common characteristics.
2. Endemic species found exclusively in a particular area.
3. Sal, wild mango, bison, giant squirrel are endemic to Pachmarhi Biosphere Reserve.

Which of the above statements is/are correct?

Which of the above statements is/are correct?

Which is the first Reserve Forest of India?

Species whose numbers are at a level they might face extinction are known as:

Consider the following about Red Data Book:

1. Red Data Book records extinct animals and plants.
2. IUCN was established in 1964.
3. India became member of IUCN in 1964 via MoEFCC.

Which of the above statements is/are incorrect?

Arrange the following materials according to time taken to degenerate:

1. Cotton cloth
2. Woolen cloths
3. Wood
4. Aluminium
5. Plastic

Match the following properties of metals:

1. Malleability – A. Metals can be beaten into sheets
2. Ductility – B. Metals can be drawn into wires
3. Sonorous – C. Metals produce ringing sound

Which metals are soft enough to be cut with a knife?

1. Sodium
2. Potassium
3. Magnesium
4. Mercury
5. Lithium

With reference to reaction of Oxygen with Metals and Non-metals:

1. Oxides of metals are acidic in nature.
2. Oxides of non-metals are basic in nature.

Which of the above statements is/are correct?

Consider the following about Displacement reaction:

1. Atom or set of atoms displaced by another.
2. More reactive metal replaces less reactive.
3. CuSO4 + Zn → ZnSO4 + Cu is example.

Which of the above statements is/are correct?

Match forms of Coal:

1. Coke –      A. Pure form of carbon
2. Coal Tar – B. Mixture of ~200 substances
3. Coal Gas – C. Used as fuel

Consider the following about Petroleum:

1. Petroleum is a mixture of gas, petrol, diesel, lubricating oil, paraffin wax, etc.
2. First oil well drilled in Pennsylvania (1859); in India at Makum, Assam (1867).

Which of the above statements is/are correct?

Match constituents of Petroleum and their uses:

1. Kerosene –      A. Jet aircrafts
2. Paraffin wax –  B. Vaseline
3. Petrol –            C. Solvent for dry cleaning

Which authority in India advises people on saving petrol/diesel while driving?

Consider the following about ignition process:

1. Combustion is reaction with hydrogen.
2. Lowest temperature at which substance catches fire is ignition temperature.
3. Substances with low ignition temperature are flammable.

Which of the above statements is/are incorrect?

With reference to Human Diseases caused by Microorganisms, match the following:

1. Tuberculosis – A. Bacteria
2. Measles – C. Virus
3. Hepatitis A – C. Virus
4. Malaria – B. Protozoa

With reference to Plant Diseases caused by Microorganisms, which of the following matches is/are correct?

1. Citrus canker – Air
2. Rust of wheat – Air
3. Yellow vein mosaic of bhindi – Seeds

With reference to Preservatives and Applications, which option is incorrectly matched?

Among the following, the correct statement with reference to Pasteurisation is:

Consider the following about Nitrogen cycle:

1. Atmospheric nitrogen is directly taken by plants.
2. Nitrogen cycle keeps atmospheric nitrogen constant (~78%).
3. Rhizobium fixes nitrogen in leguminous plants.

Which of the above statements is/are correct?

Consider the following about Polymers:

1. Cotton is a polymer called cellulose made of glucose units.
2. Polymer is a large single unit made up of small units of synthetic fibre.

Which of the above statements is/are correct?

With reference to Synthetic fibres, which pairs are correctly matched?

1. Rayon – Wood pulp
2. Nylon – Coal, water and air
3. Polyester – Plastic

Which of the following comes under Polyester?

1. Terylene
2. PET
3. Acrylic

Consider the following about Plastics:

1. Plastics moulded once, cannot be softened by heating, are thermoplastics.
2. Bakelite and Melamine are examples of thermoplastics.
3. Bakelite is poor conductor used for switches.
4. Melamine resists fire, used for tiles.

Which of the above statements is/are correct?

With reference to applications of properties of plastic, match the following:

1. Non-reactive – A. Used to store chemicals
2. Light, strong, durable – B. Plastic containers
3. Poor conductors – C. Handles of screwdrivers

Which one of the following is rabi crop among the following options?

With reference to tools used in Agriculture, which of the following lists of pairs is/ are correctly matched?

1. Tiling              A. Cultivator
2. Sowing          B. Hoe
3. Manuring       C. Dhekli
4. Irrigation        D. Rahat

Consider the following list of sentences given about difference between Fertilizer and Manure:

1. Fertiliser is a natural substance obtained by decomposition of cattle dung and plant residues.
2. Manure provides a lot of humus to the soil whereas fertiliser does not.
3. Fertilisers are richer in nutrients like nitrogen, phosphorus and potassium than manure.

Which of the above statements is/are correct?

With reference to Weeding, consider the following statements:

1. Weedicides are chemicals used for controlling weeds.
2. 2,4-D is one of the chemicals used to control weeds.
3. A khurpi and seed drill are used for manual removal of weeds.

Which of the above statements is/are correct?

Among the following list of festivals, which are associated with the harvest season?

1. Holi
2. Diwali
3. Nabanya
4. Bihu

Match the following processes:
1. Harvesting – A. Cutting of crop after mature
2. Threshing – B. Separation of grain and chaff
3. Winnowing – C. Grain seeds separated from chaff

Which of the following are classified as microorganisms?
1. Virus
2. Bacteria
3. Protozoa
4. Algae
5. Fungi

Which of the following bacteria is used for the formation of curd?

Consider the following sentences about Fermentation:
1. Yeast is used for commercial production of alcohol, grown on natural sugars.
2. The process of conversion of sugar into alcohol is known as pasteurization.
Which of the above given statements is/are correct?

Which of the following scientists and discoveries are correctly matched?

1. Louis Pasteur – Fermentation
2. Alexander Fleming – Penicillin
3. Edward Jenner – Smallpox vaccine
4. Robert Koch – Pasteurization

Match the following:
1. Asteroids – Occupy gap between Mars and Jupiter
2. Comets – Revolve around Sun in highly elliptical orbits
3. Meteors – Commonly known as shooting stars

Match pollutants with causes:
1. Reduces oxygen carrying capacity – Carbon Monoxide
2. Causes breathing difficulties – Sulphur Dioxide
3. Causes respiratory problems – Smog

Which of the following are Greenhouse gases?
1. CO2
2. Methane
3. Nitrous Oxide
4. Water Vapour

Which statements are correct about pitch of sound?

1. Females have higher pitched voice than males.
2. Pitch depends on amplitude.
3. Lion’s roar is low pitched, birds produce high pitched sound.
Choose the correct option given below

Which statements are INCORRECT regarding water pollution?

1. Hot water from factories and power plants are pollutants.
2. Pesticides and weedicides pollute groundwater.
Choose the correct option given below

Which statements are INCORRECT about stars?

1. Stars rise from east after sunset, set in west before sunrise.
2. Distance between stars expressed in light years.
Choose the correct option

Which statement is INCORRECT about Pole Star?

Which pairs are correctly matched?

1. Carbon monoxide – Decreases oxygen carrying capacity
2. Oxides of nitrogen and fog – Smog
3. Sulphuric Acid – Acid Rain

Which protocol restricts greenhouse gas emissions?

1. Nagoya Protocol
2. Kyoto Protocol
3. Montreal Protocol

Consider the following:

1. INSAT is first artificial satellite launched by India.
2. Alpha Centauri is second closest star to Earth.

Which of the above statements is/are correct?

Consider the following about Braille System:

1. Braille system has 63 dot patterns or characters.
2. Developed by Louis Braille in 1821.
3. Can be used only for UN official languages.
Which of the above given statements is/are correct?

Consider the following about Moon:

1. After full moon, small portion appears – crescent moon.
2. Moon completes one revolution on axis as it rotates around Earth.
3. On July 21, 1969 Edwin Aldrin landed with Neil Armstrong.
Which of the above given statements is/are correct?

Match Indian Festival with Moon Day:
Festival Moon Feature
1. Diwali – A. New Moon Day
2. Guru Nanak’s Birthday – B. Full Moon Day
3. Maha Shivratri – C. New Moon Day
4. Eid-ul-Fitr – D. Crescent Moon

Match Stars with Features:
Star Features
1. Sun – A. Nearest star to Earth
2. Pole Star – B. Situated in direction of Earth’s axis
3. Alpha Centauri – C. About 4.3 light years away

Other names of famous constellation Ursa Major:

1. The Big Dipper
2. The Great Bear
3. The Saptarshi

With reference to Solar system:

1. Any celestial body revolving around another is satellite. Earth is satellite of Sun.
2. Nine planets order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto.

Findings of Aryabhata:

1. Diameter of Earth
2. Earth is sphere, rotates on axis
3. Moon/planets shine due to sunlight
4. Scientific explanation of lunar eclipse
5. Distance Earth-Moon
6. Distance Earth-Sun and diameter of Sun

Match Planets with Features, which of the following list is/are correct:
1. Mercury – Smallest planet
2. Venus – Morning/evening star
3. Jupiter – Red planet
4. Saturn – Appears yellowish

Planet characteristics:
1. 2nd outermost planet in solar system.
2. Highly tilted rotational axis appears to roll on side.
The above characteristics is about which of the following planet?

With reference to Electroplating, consider the following statements:
1. Copper gets deposited from solution to plate and restored from another.
2. It is a common application of chemical effects of electric current.
3. Electroplating is used for coating objects made of metal as well as non-metals.
Which of the above given statements is/are correct?

Consider the following about Charged objects:
1. Rubbing plastic comb with dry hair charges both.
2. Device to test charge is electrostatic device.
3. Earthing transfers charge from charged to earth.
Which of the above given statements is/are correct?

With reference to Lightning, which of the above given statements is/are correct?
1. Lightning occurs only between oppositely charged clouds.
2. Lightning conductor is connected to all electrical home appliances.

With reference to Earth movements:
1. Earthquake is a sudden shaking or trembling of the earth which occurs all the time everywhere.
2. Outermost fragmented layer is called plate.
3. Seismic zones are weak zones at plate boundaries.
4. In India, Kashmir, Himalayas, NE, Rann of Kutch, Rajasthan, Indo-Gangetic plain are seismic zones.
Which of the above given statements is/are correct?

Which instruments record seismic waves?
1. Seismograph
2. Richter scale
3. Dropsonde instrument

With reference to Laws of Reflection, which of the above given statements is correct:

With reference to Diffused reflection, which of the above given statements is/are correct:
1. Parallel rays reflected from plain surface.
2. Diffused reflection caused by failure of laws.
3. Objects shining in light of others are luminous.

With reference to instruments used in reflection, consider the following statements:
1. Kaleidoscope and periscope use multiple mirrors placed at angle to one another to make beautiful patterns.
2. Plane mirror can form multiple images of an object.
3. Mirrors in periscope are inclined at 45° whereas in kaleidoscope 60°.
Which of the above given statements is/are correct?

Match eyes of animals:
Animal Eye Feature
1. Day birds – A. More cones, fewer rods
2. Butterfly – B. Can see front, sides, back
3. Night owl – C. Large cornea and pupil