Updated 10th Standard Science Study Materials 2024 - 2025Exams

10th Standard Science English Medium Creative Important 1 Marks Questions Question Bank Software May-11 , 2020

10th Standard Science English Medium Creative Important 1 Marks Questions

Creative Important 1 Marks Questions

10th Standard

Science

Time : 02:00:00 Hrs

Total Marks : 250

Part A

115 x 1 = 115

Physics that deals with the effect of force on bodies is

(a)

Kinematics

(b)

Dynamics

(c)

Statics

(d)

Mechanics

The resistance of a body to change its state of motion is called

(a)

force

(b)

momentum

(c)

inertia of motion

(d)

inertia of direction

A & B are two objects with masses 100 kg & 75 kg respectively, then _______

(a)

both will have same inertia

(b)

B will have more inertia

(c)

A will have more inertia

(d)

both will have less inertia

If two equal forces acting along opposite direction is parallel to each other then they are called as

(a)

resultant

(b)

equilibrant

(c)

(d)

unlike

The acceleration due to gravity varies on earth with

(a)

distance

(b)

height

(c)

mass of an object

(d)

all the above

On a rainy day, small oily films on water show brilliant colours. This is due to

(a)

scattering

(b)

dispersion

(c)

reflection

(d)

refraction

When a person is myopic, he / she can clearly see

(a)

Both nearby & far off

(b)

Only nearby objects

(c)

Only far off objects

(d)

Neither nearby nor far off objects

In Astigmatism, eye cannot see

(a)

distance object

(b)

nearby object

(c)

parallel lines

(d)

both a & b

Cylindrical lens is used to correct

(a)

Myopia

(b)

Hypermetropia

(c)

Presbyopia

(d)

Astigmatism

In a simple microscope to obtain higher magnification, the focal length convex lens should be _____

(a)

Large

(b)

Small

(c)

1 cm

(d)

None

Thermal expansion at particular temperature is less in

(a)

solid

(b)

liquid

(c)

gas

(d)

all above

Increase in area due to heating is called

(a)

Linear expansion

(b)

Superficial expansion

(c)

Cubical expansion

(d)

real expansion

According to Charles's law

(a)

P ∝ \(\frac{1}{V}\)

(b)

V ∝ T

(c)

V ∝ n

(d)

all the above

SI unit of temperature is ______

(a)

(b)

°C

(c)

/°C

(d)

⁰F

Charles's law is also called as ______

(a)

the law of temperature

(b)

the law of pressure

(c)

the law of volume

(d)

the law of gas

The relation between potential difference (V) and current (I) is:

(a)

V \(\alpha\)I

(b)

V\(\alpha\)I²

(c)

V\(\alpha\)\(\frac{I}{I}\)

(d)

None of the above

Which of the following laboratory apparatus is used during the verification of Ohm's law?

(a)

Voltmeter

(b)

Ammeter

(c)

Rheostat

(d)

All the above

If one of the resistors in a parallel circuit is removed, the total resistance will be

(a)

Doubled

(b)

Decreases

(c)

Increases

(d)

Constant

The expression for the heat is

(a)

H = VIt

(b)

H = I²Rt

(c)

\(H=\frac { { V }^{ 2 } }{ R } t\)

(d)

all the above

In which one of the following heating effect the current is undesirable?

(a)

electric iron

(b)

electric motor

(c)

fuse wire

(d)

electric bulb

Which voice is likely to have minute frequency?

(a)

baby girl

(b)

boy

(c)

A man

(d)

A woman

Dogs can receive sound upto _____ kHz.

(a)

(b)

(c)

(d)

Sound waves do not travel through.

(a)

vacuum

(b)

solid

(c)

liquid

(d)

gases

The speed of sound in a medium depends upon

(a)

frequency

(b)

amplitude

(c)

wavelength

(d)

properties of the medium

A source emits a frequency of 1 kHz is moving toward a rest listener with a speed of 0.9 V, where V is the speed of sound wave. The frequency heard by the listener is ________.

(a)

10 Hz

(b)

0.1 Hz

(c)

100 Hz

(d)

10 kHz

Atomic nucleus was discovered by _______

(a)

Rutherford

(b)

Newton

(c)

Einstein

(d)

Nobel

Radioactive materials are kept -in thick -walled ________ containers.

(a)

aluminium

(b)

iron

(c)

brick

(d)

lead

U²³⁸ is fissionable _________ neutrons.

(a)

only by fast

(b)

only by slow

(c)

both fast and slow

(d)

by thermal

Atom bomb explosions produce ______ waves.

(a)

gravitational

(b)

sand

(c)

shock

(d)

electric

BARC is situated at ________.

(a)

Trombay

(b)

Kalpakkam

(c)

Trivandrum

(d)

Thumba

Atoms of different elements with different atomic numbers, but same mass number are known as _________

(a)

isobars

(b)

isotopes

(c)

isotones

(d)

isomers

Which of the following contains maximum number of molecules?

(a)

1 g of N₂

(b)

1 g of CO₂

(c)

1 g of H₂

(d)

1 g of O₂

The number of molecules in 16.0 g of oxygen is:

(a)

6.023 x 10²³

(b)

6.023 x 10^-23

(c)

3.01 x 10^-23

(d)

3.0115 x 10²³

Which of the following contains the largest number of molecules?

(a)

0.2 mol H₂

(b)

8.0 g H₂

(c)

17 g of H₂O

(d)

6.0 g of CO₂

The total number of atoms represented by the compound CuSO₄. 5H₂O is

(a)

(b)

(c)

(d)

The number of neutrons in ₈O¹⁶ is ________

(a)

(b)

(c)

(d)

Arrange the following in the increasing order of the size. Cl^-, Cl, Cl⁺

(a)

Cl^- < Cl⁺ < Cl

(b)

Cl₄ < Cl^- < Cl⁺

(c)

Cl⁺ < Cl < Cl^-

(d)

Cl⁺ < Cl < Cl^-

The process of extracting the ore from the earth's crust is ____________

(a)

Metallurgy

(b)

Mining

(c)

Smelting

(d)

Leaching

Metals are ______________

(a)

Electro positive

(b)

Electronegative

(c)

both (a) and (b)

(d)

neither (a) nor (b)

The chief ore of copper is ________

(a)

Chalcopyrite

(b)

Copper glance

(c)

Cyprite

(d)

Ruby copper

Hygroscopic substances are used as __________ agents.

(a)

oxidizing

(b)

reducing

(c)

decarboxylating

(d)

drying

Salt solution containing common salt in water is an example for _____________

(a)

binary solution

(b)

trinary solution

(c)

suspension

(d)

colloidal solution

Which of the following is a saturated solution?

(a)

5g NaCI in 100g water

(b)

10g NaCI in 100g water

(c)

20g NaCI in 100g water

(d)

36g NaCI in 100g water

Solubility of CO₂ gas in water ___________ with the increase in pressure.

(a)

increases

(b)

decreases

(c)

remains constant

(d)

None of these

Which of the following is a dehydrating agent (absorbs moisture)

(a)

sodium hydroxide

(b)

anhydrous calcium chloride

(c)

sugar

(d)

None of these

The reaction between hydrogen and oxygen gas to form water is ____________ reaction.

(a)

combination

(b)

redox

(c)

exothermic

(d)

all of these

Which among the following chemical reaction is an example of combination reaction?
(i) H_2(g)+ CI_2(g) ⟶ 2HCI_(g)
(ii) AnOH_(aq)+ HCl_(aq) ⟶ NaCl_(aq)+ H2O₍₁₎
(iii)2Mg(S)+ O_2(g) ⟶ 2MgO_(S)
(iv) Zn(S)+ 2HCI_(aq)⟶ ZnCl₂ + H_2(g)

(a)

only (i)

(b)

both (i) and (iii)

(c)

only (iii)

(d)

both (i) and (ii)

Decomposition reactions are brought about by ________

(a)

heat

(b)

light

(c)

electricity

(d)

all the above

When Zinc metal is placed in hydrochloric acid, the gas evolved is _________________

(a)

(b)

CO₂

(c)

H₂

(d)

H₂O

Heat is evolved during __________ reaction.

(a)

Combination

(b)

Combustion

(c)

Decomposition

(d)

Endothermic

Ethene is an ___________

(a)

alkane

(b)

alkene

(c)

alkyne

(d)

aromatic hydrocarbon

Methylene group is

(a)

CH₄

(b)

- CH₃

(c)

- CH₂ -

(d)

- CH -

Identify the product formed when ethanol reacts with sodium

(a)

Sodium acetate

(b)

Sodium ethanoate

(c)

Sodium ethoxide

(d)

Sodium formate

The organic acid present in Vinegar is ___________ acid.

(a)

methanoic

(b)

ethanoic

(c)

Propanoic

(d)

Butanoic

The sodium salt of long chain fatty acid which helps in cleaning of clothes is ________________

(a)

vinegar

(b)

detergent

(c)

soap

(d)

both (b) and (c)

Name the tissue present between the upper and lower epidermis.

(a)

Lower epidermis tissue

(b)

Pith

(c)

Upper epidermis tissue

(d)

Mesophyll

Leeches have ___________

(a)

heart

(b)

lungs

(c)

true blood vessels

(d)

excretory organs

The urinogenital canal of female rabbit is formed by union of_________

(a)

urethra and vagina

(b)

urinary bladder and urethra

(c)

cowper's gland and urinary bladder

(d)

urinary bladder and vagina

The_______ glands are modified glands of the skin

(a)

perineal

(b)

mammary

(c)

gastric

(d)

salivary

The opening of pulmonary arch into right ventricle of rabbit is guarded by_________ semilunar valves.

(a)

(b)

(c)

(d)

Each kidney is made up of several___________

(a)

mascula

(b)

nephrons

(c)

cortex

(d)

epididymis

Persons with __________ blood group can receive blood from 'AB' group individuals.

(a)

'A' only

(b)

B only

(c)

AB and O

(d)

A, B, AB and O

The life span of platelets is_________

(a)

3 weeks

(b)

1 month

(c)

2-3 days

(d)

40 days

_______is not a feature of veins.

(a)

Red in colour

(b)

Non-elastic walls

(c)

Lack internal valves

(d)

Blood flow with low pressure

Angiology is the study of_________

(a)

heart

(b)

heart attack

(c)

blood vessels

(d)

diseases of blood

Absorption of water by modern frames of windows in rainy reason is an example of_________

(a)

diffusion

(b)

osmosis

(c)

imbibition

(d)

ranspiration

______ carry impulses from the sense organ to the central nervous system.

(a)

Sensory

(b)

Motor

(c)

Bipolar

(d)

Association

______ is the largest portion nearly two - third of the brain.

(a)

Thalamus

(b)

Cerebrum

(c)

Diencephalon

(d)

Cerebellum

______ acts as a relay centre.

(a)

Thalamus

(b)

Hypothalamus

(c)

Cerebrum

(d)

Cerebellum

_____ second largest part of the brain formed of two large sized hemispheres.

(a)

Cerebellum

(b)

Cerebrum

(c)

Thalamus

(d)

Diencephalon

_____ carry command from spinal cord to our arm.

(a)

Motor neurons

(b)

Sensory neurons

(c)

Unipolar neurons

(d)

Afferent neurons

The term Auxin was introduced by _____

(a)

Went

(b)

Kogi

(c)

Charles Darwin

(d)

Kurosawa

______ is not a function of thyroid.

(a)

BMR

(b)

Body temperature

(c)

Carbo hydratemetabolism

(d)

Anti-allergic

Premature shedding is caused by ______

(a)

auxin

(b)

ethylene

(c)

ABA

(d)

gibberellin

_____ promotes the ripening of fruits.

(a)

Auxin

(b)

Abscisic Acid

(c)

Ethylene

(d)

Cytokinin

The mineralocorticoids secreted by Zona glomerulosa is ______

(a)

aldosterone

(b)

testosterone

(c)

estrogen

(d)

progesterone

Fragmentation is seen in_________

(a)

Spirogyra

(b)

Bryophyllum

(c)

Yeast

(d)

Hydra

Regeneration is seen in_____

(a)

Plasmodium

(b)

Spirogyra

(c)

Hydra

(d)

Amoeba

Each stamen consists of a small bag like structure called_______

(a)

Anther

(b)

Filament

(c)

Pollengrain

(d)

Germpore

The ejection of milk is stimulated by posterior pituitary hormone called_____

(a)

Prolactin

(b)

Insulin

(c)

Oxytocin

(d)

Estrogen

Breaking of the filament into many fragments is called_____________

(a)

Fission

(b)

Fragmentation

(c)

Budding

(d)

Regeneratio

V shaped chromosomes are called _______.

(a)

metacentric

(b)

acrocentric

(c)

submetacentric

(d)

telocentric

The haploid condition in a human cell refers to________ chromosomes

(a)

(b)

(c)

(d)

______is not a nitrogenous base.

(a)

Adenine

(b)

Thymine

(c)

Leucine

(d)

Cytosine

In human, each cell normally consists _________of chromosomes.

(a)

23 pairs

(b)

22 pairs

(c)

20 pairs

(d)

12 pairs

Hydrogen bonds between the nitrogeneous bases make the DNA molecule________

(a)

unstable

(b)

stable

(c)

unbalanced

(d)

disturbed

The idea of Chemical Evolution of life was developed by_______

(a)

Haldane and Oparin

(b)

Pasteur

(c)

Libby

(d)

Leonardo da vinci

_________ is called the Father of Palaeontology.

(a)

Pasteur

(b)

Birbal sahani

(c)

Haeckel

(d)

Leonardo da vinci

The Father of Paleobotany / Founder of Modern Paleobotany is _______

(a)

Leonardo da Vinci

(b)

Sternberg

(c)

Haldane

(d)

Sahani

Paleobotany is derived from Greek words Paleon that means _________.

(a)

old

(b)

new

(c)

past

(d)

aged

Radioactive Carbon (C¹⁴) dating method was discovered by_________.

(a)

W.F.Libby

(b)

Niels Bohr

(c)

Issac Newton

(d)

William Harvey

The rice variety peta was from __________

(a)

China

(b)

Mexico

(c)

Indonesia

(d)

India

Pusa snowball is a disease resistant variety of________.

(a)

cowpea

(b)

cauliflower

(c)

wheat

(d)

rice

Pusa sawani is a insect resistant variety of __________

(a)

cowpea

(b)

flat bean

(c)

lady's finger

(d)

brassica

Blood dotting factors produced by biotechnology helps patients suffering from__________.

(a)

haemophilia

(b)

homeostasis

(c)

cerebral palsy

(d)

CHD

In human beings, _________ of the DNA base sequences are the same and this is called as bulk genomic DNA.

(a)

99%

(b)

50%

(c)

90%

(d)

70%

______________ is a symptom of CHD.

(a)

Glycosuria

(b)

Ischemia

(c)

Hyperglycemia

(d)

Polyphagia

____________ help reduce blood sugar levels.

(a)

Sweet potato

(b)

Tomato

(c)

Beetroot

(d)

Cane sugar

____________ is not a symptom of AIDS.

(a)

Increase in number of WBC

(b)

Lack of appetite

(c)

Weight loss

(d)

Swelling of lymph nodes

Obesity is not a risk factor for ___________

(a)

AIDS

(b)

diabetes

(c)

arthritis

(d)

CHD

Sexually abused children show symptoms of ______________

(a)

frequent urinary infection

(b)

headache

(c)

sore head

(d)

migraine

The Chipko movement originated in_________

(a)

Uttar pradesh

(b)

Uttarakhand

(c)

Arunachal Pradesh

(d)

Madhya Pradesh

There are______ biosphere reserves in India.

(a)

(b)

(c)

(d)

Choose the word not applicable to fossil fuels

(a)

Hydrocarbons

(b)

Decomposition

(c)

Natural process

(d)

Inexhaustible

__________is not obtained from petroleum.

(a)

Biogas

(b)

Diesel

(c)

Gasoline

(d)

LPG

Water is denser than air and therefore can generate electricity at________than wind turbines.

(a)

lower speeds

(b)

high speeds

(c)

very low speeds

(d)

very high speeds

The output of any application is commonly known as______

(a)

File

(b)

Folder

(c)

Disk

(d)

Output

Notes can be collected, edited and printed using______

(a)

Paint

(b)

Scratch

(c)

Notepad

(d)

LINUX

To create animations, cartoons and games easily we can use_________

(a)

Paint

(b)

Notepad

(c)

LINUX

(d)

Scratch

In Scratch, the characters are known as_________

(a)

Sprite

(b)

Stage

(c)

Element

(d)

Script

The device which helps in explaining the concepts easily through pictures is________

(a)

Visible Communication Device

(b)

Visible Cinema Device

(c)

Visual Cinema Device

(d)

Visual Communication Device

Part B

94 x 1 = 94

If the body behaves contrary to their own natural state is called _______.

The product of mass & velocity of a moving body is ________.

When a force of 1 N acts on a mass of 1 kg that is forced to move, the object moves with _____

The moment of a couple is the product of ______ and perpendicular distance between the forces.

When a person falls freely under the action of gravity has ______

Refractive index of a medium is dependent on ______ of the light.

The magnification is _____ than 1, then the image obtained is diminished

______ tough membrane protects the internal parts of the eye.

To increase the focal length, the ciliary muscle ______

According to optical property, telescope is classified into ______ and ______

The average kinetic energy of the molecules of a substance is called ____

The SI unit of temperature is ______

Temperature is an indication of the _____ of molecules.

Transfer of heat energy from low temperature to high temperature object is called _____

Change in dimension due to raise in temperature is called _____

The purpose of a rheostat is __________.

Nichrome is an alloy of _________ and __________.

The graph between V and 1 is ________ for a conductor

The reciprocal of resistance is ________

________ is represented by joule / coulomb

High and low pressure regions of longitudinal wave is called _______ and ________.

Number of vibrations produced in one second is __________ of the wave.

The speed of sound is inversely proportional to ________.

The loudness of normal human voice is _______.

The minimum distance required to hear an echo is 1/20th part of the magnitude of velocity of sound in air, if the velocity of sound is ________ then the minimum distance required to hear an echo is 17.2 m.

When an ∝ - particle is emitted, a new atomic nuclei is formed whose ________.

The radioactive isotope used to diagnose anemia is __________

The process in which nucleus of one element is converted into nucleus of another element is __________.

The mass of the fissile material at the critical size is called ________

1 eV is equal to _______.

___________ is the smallest indivisible entity of matter.

Isotopes differ in

Sub atomic particles are ___________

Sulfonic acid is a ___________

The value of STP is ___________

Horizontal rows in periodic table are called ________

The anion is _______________ than its neutral atom

Unit of ionisation energy is __________

Ionization energy ____________ along the period and _________ down the group in periodic table.

The black oxide of copper is ______________

The effect of pressure on the solubility of a gas in liquid is given by ____________

Magnesium sulphate heptahydrate is called _____________

Caustic potash is an example of _________ substance.

The substance present in lesser amount, in a solution is called ___________

Give an example for solid in gas? _____________

The pH value of milk of magnesia is 10. It is ____________ in nature.

The chemical reactions which takes place with the evolution of heat energy are called ____________ reaction.

pH of lemon juice is ______.

pH of an acidic solution is ____________

The reaction that cannot be reversed is called _____________

The simplest alkane is _______________ CH₄.

The principal source of butyric acid is _______

Ethanol is manufactured by the fermentation of ___________________

The gas formed during the decarboxylation of sodium salt of ethanoic acid is ___________

Sodium salts of fatty acids are known as _____________

The band like thickenings found in endodermis of dicot root are called ______________

Light reaction is also called __________

Cellular respiration is a ______________ process.

______ is the first step in aerobic and anaerobic respiration.

TCA cycle is also known as __________

All the four channels of circulatory system are connected together in_________ segment of leech.

The sub pharyngeal ganglion in leech is formed by fusion of ________pairs of ganglia

In rabbit the testis consists of_________

Lungs are covered by a membrane called________

In leeches each segment bears a number of projections called _________

A mature RBC lacks a____________

The______ among the leucocytes produce antibodies during infection.

_________is a passive process

In______movement water occurs through the cytoplasm of cells.

Elements like________ are not remobilised in the plant

The cytoplasm of a neuron has granular bodies called ______

The afferent neurons are called _____

The innermost membrane of the meninges is ______

The posterior most region of spinal cord tapers to form ________

Acquired reflexes are called ________

_____ is the cytokinin got form maize (Zea mays).

_____ are more efficient than auxins in promotting parthenocarpy.

______ is known as the Father of Endocrinology.

Lack of skeletal development caused due to thyroid dysfunction is called ______

______ hormone increases blood glucose levels.

Autogamy refers to________

The LH hormone is at a peak during _________phase of menstrual cycle

The term mutation was coined by________

Adenine and Guanine are called_______

Discontinuous variation form the basis for mutation theory proposed by_________.

__________ arises due to errors occurring in DNA.

TV - 29 is a ________ variety of tea.

Hybrid DNA got by genetic engineering is called ________.

HIV belongs to a group of viruses called ___________

HIV attacks the ____________ of the body.

The word 'Forest' is derived from the latin word_________

The number of basins that India has identified for shale gas exploration is_______

The characters on the background of a scratch window is known as_________

We can change the background colour by____________

Part C

94 x 1 = 94

Dynamics

(1)

ketone

Natural motion

(2)

10Hz

Acceleration due to gravity

(3)

Galvanometer

Universal gravitational constant

(4)

C. N. R. Rao

m x a

(5)

\(\left( \frac { V-{ V }_{ L } }{ V } \right) n\)

Object which give out light

(6)

Hydrochloric acid

Blue colour of the sea

(7)

₁₈Ar⁴⁰,₂₀Ca⁴⁰

Between F₁ and 2F₂

(8)

Dependent

Compound Microscope

(9)

Pictures

Avogadro's law

(10)

Pituitary

Linear expansion

(11)

Gall bladder

Transmission of heat

(12)

Reddish brown

Coefficient of expansion

(13)

LED TV

mass of substance

(14)

same number of neutrons

Potential difference

(15)

Condom

Direction of current

(16)

CaSO₄·2H₂O

LED

(17)

Insulator

James P. Mitchell

(18)

746 watt

1 horse power

(19)

Islets of Langerhans

loudness

(20)

Mutagen

Mega phone

(21)

10 moles

Listener moves away from stationary listener

(22)

intensity

Infrasonic

(23)

Cristae

Architectural acoustician

(24)

CH₃CH₂OH

Moderator

(25)

Furan

Coolant

(26)

Pump

Control rod

(27)

Hydrophily

Dosimeter

(28)

Force acting on moving bodies

Leukemia

(29)

Diatomic

(30)

Ocean tides

Isotones

(31)

Nuclear transfer

224 lit of N₂

(32)

Haemocoelic fluid

6.023 x 10²² CO₂ molecules

(33)

Graphite

Isobars

(34)

Shale Gas

Nitrogen

(35)

Transmission cables

Copper

(36)

Sahani

Steel

(37)

Amalgam

Cinnabar

(38)

Sneezing

Wrought iron

(39)

Boron

Liquid in solid

(40)

Notes

White vitriol

(41)

Narcotic

Gypsum

(42)

Pericardium

Liquid - Liquid

(43)

Heavy water

Water

(44)

0.25% - 2% carbon

Quick lime

(45)

Scattering of light

Slaked lime

(46)

force

Milk of magnesia

(47)

stomach

(48)

CaO

burning petrol

(49)

Systole

Hetero cyclic

(50)

ester

Alicyclic

(51)

Ca (OH)₂

> C = O

(52)

\(\frac{W}{Q}\)

(53)

ms^-2

Ethanol

(54)

600R

Artificial photosynthesis

(55)

K^-1

Biosynthetic phase

(56)

Milk

Tissue system

(57)

Replication site

F₁ particles

(58)

V ∝ n

Sclerenchyma

(59)

Cranial nerves

Jaws

(60)

Sachs

Pharynx

(61)

0.5 % - 1.0%

Liver

(62)

Melvin Calvin

4 channels

(63)

Cyclopropane

Fallopian tube

(64)

source

Basophils

(65)

hydrocarbon

Contraction

(66)

Synaptic knob

Double walled sac

(67)

ZnSO₄·7H₂O

Auricle

(68)

Adrenaline

Myelin sheath

(69)

Beyond 2F₂

Swellings

(70)

convection

Peripheral nervous system

(71)

0.1 mole

Spinal cord

(72)

Solvent

Basic reflex

(73)

nuclear fusion

Epinephrine

(74)

Spinal nerves

Pancreas

(75)

H₂

Mineralocorticoids

(76)

Papillae

Gibberellic acid

(77)

Mechanical strength

Acromegaly

(78)

horn shaped device

Barrier methods

(79)

Egg

Pollination by water

(80)

Tetraploidy

Helicase

(81)

Change in length

(82)

Vestigial organs

(83)

mole

Paleozoic ferns

(84)

It helps to absorb sodium ions from the renal tubules.

Ian Wilmut

(85)

HgS

X-rays

(86)

Atria

Fatty substances

(87)

Rice

Pain killer

(88)

Caudal vertebra

Small old rocks

(89)

N m²kg^-2

Tidal energy

(90)

designs concert halls

Notepad

(91)

CHD

Paint

(92)

Two convex lenses

Part D

25 x 1 = 25

The process of extracting over from the earth's crust.

The rocky impurities associated with the over.

The process of reducing the roasted oxide ore to metal under molten condition.

Noble metals occurs in their state.

Corrosion can be prevented by many ways.
(a) Name the metal which is used for galvanization.
(b) What is the use of coating with paints?

Arrangement of xylem in a root

The Vascular bundle is radial, exarch and tetrarch in

Which enzyme is released by yeast during fermentation?

The end product of oxidative phosphorylation is

Substance present in casparian strips.

How many segments are involved in formation of anterior sucker in leech?

Tissue found below longitudinal muscles in leech

Dental formula of rabbit.

Another name for birth canal

List anyone of the Characteristic feature of Phylum Annelida.

Protective sheath found above myelin sheath _____

Protective sheath covering the axon.

Four rounded bodies found in mid brain.

What does the word 'pons' mean.

Special fluid nourishing the brain.

Gaseous plant hormone or fruit ripening hormone.

Period of rest undergone by buds before sprouting.

Testis and ovary are collectively called.

Glands located on the thyroid gland.

Endocrine cells of pancreas.

*****************************************

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