Which of the following pair is incorrect...? Mcqs

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Which of the following pair is incorrect...?

(A) Sparrow : Trumpet
(B) Horse : Neigh

(C) Monkey : Polytities
(D) Owl : Chirp

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All of the following statements are incorrect except:...?

(A) Precision and accuracy should go side by side in a scientific work
(B) Scientific work must be precise, accuracy is not essential

(C) Scientific work must be accurate, precision is not essential
(D) Calculations must be made before any experiment

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Which one of the following is correct statement...?

(A) Oxidation occurs at cathode
(B) Reduction occurs at anode

(C) Reduction occurs at cathode
(D) Ions lose electrons at cathode

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Which one of the following incorrectly shows the types of vertebrates through its examples...?

(A) Reptile → Snake
(B) Bird → Ostrich

(C) Amphibian → Toad
(D) Mammal → Shark

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Which statement about the fluid mosaic model of membrane structure is correct...?

(A) The lower the temperature, more fluid nature
(B) Higher the temperature, less fluid nature

(C) The more unsaturated the fatty acid, the more fluid nature
(D) The less unsaturated the fatty acid, the more fluid nature

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Which statement is incorrect about suspension...?

(A) The suspension is heterogeneous mixture
(B) In a suspension the particles of solute are dispersed

(C) The colour and appearance are not same in every part of the suspension
(D) The suspension is transparent and clear

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Which statement is incorrect about gas molecules...?

(A) Molecules are widely separated
(B) Molecules have low attractive forces

(C) Molecules free to move in any direction
(D) Molecules collide with one another

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Which statement is/are correct about particles in gases...?

(A) Particles are widely spread out
(B) Particles are not in regular pattern and Particles have large empty spaces between them

(C) Particles are widely spread out
(D) All of these

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Which statement is incorrect about the force...?

(A) Force can change the content of an object
(B) Force can change the shape of an object

(C) Force can change the direction of an object
(D) Force can change the speed of an object

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Which among the following is correct about Saliva of a Healthy Human...?

(A) It is slightly acidic
(B) It is slightly saline

(C) It is slightly alkaline
(D) It is neutral

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Which statement is incorrect about chemical reactions...?

(A) States of matter does not change during chemical reactions
(B) Chemical reactions produce new substances

(C) Chemical reactions occur with the absorption or emission of energy
(D) Chemical reactions may be fast, moderate or slow

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Which of the following statements is incorrect about Cycas...?

(A) Cycas plants are gymnosperms.
(B) Cycas leaves are pinnately compound.

(C) Cycas have vessel elements in their xylem.
(D) Cycas produce seeds but do not form flowers.

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Choose the one incorrect statement from the followings...?

(A) Six elements such as C, H, O, N, S and P are called basic elements of life
(B) Foundation of life based on chemicals

(C) Members of different species form population
(D) Part of earth where life exists is called biosphere

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Which statement is incorrect about solution...?

(A) The solution is a homogeneous mixture
(B) In a solution the particles of solute and solvent are mixed

(C) The solution is a heterogeneous mixture
(D) The colour and appearance are same in every part of the solution

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Which statement is incorrect about particles in solids...?

(A) Particles are in loose clusters
(B) Particles are closely packed

(C) Particles are in regular pattern
(D) Particles have small spaces between them

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Choose the incorrect statement regarding meiosis...?

(A) Maintain chromosome number from generation to generation
(B) Reduces the diploid number of chromosomes to half

(C) Takes place in germ cell to produce gametes
(D) Production of new somatic cells from germ cells

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Which statement is incorrect about particles in liquids...?

(A) Particles are little less closely packed
(B) Particles are in loose clusters

(C) Particles are not in regular
(D) Particles have large empty spaces between them

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Which is correct order of solar system starting from Sun ...?

(A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
(B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus

(C) Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus
(D) Mercury, Venus, Earth, Jupiter, Mars, Saturn, Uranus, Neptune

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Soil acidity is corrected by...?

(A) Proper irrigation
(B) Adding sodium hydroxide

(C) Liming
(D) Application of fertilizers

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The capacitance of capacitors increases when they connected in ____...?

(A) Parallel
(B) Series

(C) Both A and B
(D) None

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Which of the following is correct for the simple machines...?

(A) Simple machines magnify the force you use
(B) Simple machines change the direction of the force

(C) Simple machines make things go faster
(D) Simple machines make things move slower

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