10th Science EM Creative inside 1 mark online test part 1 CentumStudy.com

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. Who discovered the basic principles of Heridity?

Mendel
Punnet
Darwin
Erwin Chargaff

. Which hormone is called life saving hormone?

Thymosin
Cortisol
Insulin
Aldosterone

. The SI unit of Temperature?

Fahrenheit
Kelvin
Degree
Watt

. Calculate the velocity of a moving body of mass 5Kg whose linear momentum is 2.5Kgms-1

2.5 ms-1
5 ms-1
2 ms-1
0.5 ms-1

The unit is impulsive force is ----------.

Ns
both a&b
None
kgm/s

------- is the largest portion of alimentary canal.

Crop
Sphincters
Pharynx
Caeca

. If lift is falling down freely, apparent weight is equal to-------?

Same as actual weight
Lesser than actual weight
Greater than actual weight
Zero

. If a person whose mass is 60kg stands on the surface of Earth, his weight would be 588 N his weight in moon is -----?

96.5 N
97.5 N
98 N
97 N

. Change in momentum can be achieved by,

Both a and c
A large force acting for a longer period of time
A large force acting for a short period of time
A short force acting for a longer period of time

. Which country first in world to launch the national wide family planning programme in 1952?

Russia
India
America
China

The first Telescope was invented by ------------- in 1608.

Newton
J.Lippershey
Edison
Kepler

Qualitative definition of force is given by

Newton‘s II law of motion
Newton’s III law of motion
Newton’s I law of motion
Newton’s law gravitation

The rate of change of momentum of an object is directly proportional to -----?

Mass of the body
Velocity of the body
direction of the body
Net force of the body

Which is the first discovered hormone?

Secretin
Oxytocin
Relaxin
Thyroxine

. Incomplete four chambered heart found in ------?

Reptiles
Fish
Aves
Amphibians

Astronauts feel weightlessness in space because------?

There is no gravitational force in space coat
They are floating in space
They wear a weightless
They are under free fall condition

. The gram molar mass of the ca3 (Po4)2 is---?

44g
308g
408g
16g

. The mass of proton is approximately ------ amu .

3amu
1amu
2 amu
4 amu

. When a lift is moving upward, apparent weight is-----?

Same as actual weight
Zero
Greater than actual weight
Lesser than actual weight

A fielder giving a swing while catching a ball is an example of ------?

Newton’s I law
Inertia
Newton‘s II law
Impulse

. Mitocondrial membarane size of ---------- .

60-70 Å
50-60 Å
50-70Å
40-50Å

. Which is the first plant hormone?

Gibberlins
Abscisic acid
Cytokinin
Auxin

. The blister copper contains --------- % pure copper and -------% of impurities

95.5& 4.5
99 & 1
98& 2
99.5& 0.5

. Example of liquid metal?

. Parallel equal forces are acting in opposite direct ions in the same line of action, then resultant force is equal to--?

Greater than zero
Zero
Lesser than zero
Remains same

. Which of the four chambered heart animal?

Aves
Reptiles
Amphibians
Fishes

. The value of Boltzmann constant?

1.38x10-23 J/K
1.38x1023 J/K
1.38x1033 J/K
1.38x10-33 J/K

. The first scientific theory of the atom was proposed by ----------.

J.J. Thomson
Neils Bohr
Rutherford
None

Which blood is called ‗Universal Donor‘?

AB-ve
AB+ve
O-ve
B+ve

. Each neuron can transmit ----- nerve impulses per second?

1000
100
100000
1000

. Action of a lever is an example of ------?

Balanced force
Torque
Unbalance force
Impulse

The melting point of aluminum ------------?

6000C
640 0C
6600C
620 0C

. Who is the Father of Endocrinology‘?

None
Thomas Addison
W.M. Baylis
Harrington

The resistivity of Copper?

12.6x10-8 ῼm
6.84x10-8 ῼm
1.62x10-8 ῼm
12.9x10-8 ῼm

. The life span of RBC is-----days?

. Who is the father of modern physiology?

None
Negammaiah .grew
William Harvi
Bundle of His

. --------- is the largest portion of alimentary canal

rectum
buccal cavity
crop
anus

. The unit of specific resistance?

Ohm
Ohm.meter
watt
ampere

The gap between the incisors and premolar is called-------?

Buccalcavity
Diastema
Heterodont
Teeth

. Which of the following is a homodiatomic molecule?

Co2
Oxygen
Helium
Hydrogen

. The ------- measures the impact of a force on a body.

Torque
Balanced force
Impulse
Linear momentum

. Compound microscope has -------- times more magnification power than simple microscope.

100—150
50—100
50—250
50—200

The pathway taken by nerve impulse to accomblishe reflex action is called-----?

Sensory neuron
Spinal nerves
Reflex arc
Spinal cord

. The SI unit of Heat Energy?

Joule
Degree
Fahrenheit
Watt

. The value of universal Gas Constant?

8.31x10-23Jk-1
8.31Jmol-1k-1
1.381x10-23Jk-1
8.31x10-23Jk-1

. Pith tissue present in ------?

Monocot stem
both a&b
none
Dicot stem

. Which of the following the example of Hygroscopy?

KOH
CaCl2
SiO2
NaOH

. Which hormone is called Time messenger hormone?

Melatonin
Oxytocin
Insulin
Thyroxine

The solubility of Glucose in 100g of water at 250C?

The mitochondria shape is -------------.

0.2-2 micrometer
0.2-0.5micrometer
0.5-2.0micrometer
all the above

. Which instrument used for records the electrical impulses of brain.

. The unit of ionization energy is ------------

kJ/mol
kg
both a&b
kJmol-1

. The formula of calculate Mass of Earth --------------

M=G R2/g
None
both a&b
M=gR2/G

. The value of cubical expansion of mercury is --------

6 x10-5k-1
18.2x10-5k-1
None
20.7 x10-5k-1

Which microscope used in jewelers?

Compound
both a& b
Cylindrical
simple

. Atrioventricular bundle was discovered by ----?

N.Grew
Darwin
W.Harvi
His

Which of the following hygroscopic substance?

NaOH
P2O5
FeCl3
CaCl3

. The unit of moment a couple is ----------.

None
Nm
Newton
N/m

. A system can be brought to equilibrium by applying a force which is

Greater than the magnitude of resultant force and in same direction
Equal in magnitude but opposite direction as that of resultant force
Greater than the magnitude of resultant force but in opposite direction
Equal in magnitude and in opposite same direction as that of resultant force

. The anticogular present in saliva of leech is called ------?

Heparin
Hirudin
Iodine
Ethelene

. A body will be in equilibrium, if the resultant force of all the forces acting on the body is equal to-----?

Same as actual weight
Greater than actual weight
Zero
Lesser than actual weight

metal? Which of the following low density

Iron
Aluminum
Copper
all the above

. ------ helps in regulating respiration.

Hind brain
Hypothalamus
Forebrain
Pons

The diameter of chloroplast is ----------.

None
5-10 micrometer
2-8 micrometer
2-10micrometer

. The SI unit of gravitational unit of force if -----?

None
Kgf
Kms
Kg

. The floor of the buccal cavity is occupied by a --------tongue

tear
caecum
muscular
None

. Change of momentum is equal to -----?

Force
Velocity
Couple
Impulse

. Menstrual Hygiene day is ------?

May 22
May 30
May 31
May 21

. The molecular formula of Rust?

Fe2O3.4H2O
Fe2O3.2H2O
Fe2O3.xH2O
Fe2O3.3H2O

. --------- lenses are used in wide angle spy hole in doors.

both a&b
convex
biconcave
Concave

. --------- teeth are absent in rabbit

incisors
premolar
canines
molar

The value of acceleration due to gravity on the surface of the moon is ---------.

1.725 ms-2
1.925 ms-2
1.625 ms-2
all the above

. Leeches prevent blood clotting by secreting a protein called---------.

none
crop
hirudin
papillae

The molecular formula of Blue Vitrol is--------?

FeSO4. 7H2O
MgSO4. 7H2O
CaSO4. 2H2O
CuSO4. 5H2O

. The body nervous system can transmit signals at speeds of ------?

220mph
350km/h
220
both a& c