Inertia of a body depends on 

(a)

weight of the object

(b)

acceleration due to gravity of the planet

(c)

mass of the object

(d)

Both a & b

Impulse is equals to

(a)

rate of change of momentum

(b)

rate of force and time

(c)

change of momentum

(d)

rate of change of mass

The act of cleaning a carpet by heating it with a stick is an example for inertia of

(a)

motion

(b)

direction

(c)

rest

(d)

momentum

What would happen, if the force of gravity disappears suddenly on earth?

(a)

All objects would move in a rapid whirl wing

(b)

All object will float

(c)

not possible

(d)

cannot say

The eye defect ‘presbyopia’ can be corrected by

(a)

convex lens

(b)

concave lens

(c)

convex mirror

(d)

Bi focal lenses

If V_B, V_G, V_R be the velocity of blue, green and red light respectively in a glass prism, then which of the following statement gives the correct relation?

(a)

V_B = V_G = V_R

(b)

V_B > V_G >V_R

(c)

V_B < V_G < V_R

(d)

V_B < V_G > V_R

If the energy of the incident and scattered beam of light are same, then it is called ______ scattering

(a)

Ray light

(b)

Inelastic

(c)

Mie

(d)

Elastic

The distance below the lens and focus is called

(a)

pole

(b)

radius of curvature

(c)

focal length

(d)

principal axis

If a substance is heated or cooled, the linear expansion occurs along the axis of

(a)

X or –X

(b)

Y or –Y

(c)

both (a) and (b)

(d)

(a) or (b)

Temperature is the average ______ of the molecules of a substance

(a)

difference in K.E and P.E

(b)

sum of P.E and K.E

(c)

difference in T.E and P.E

(d)

difference in K.E and T.E

Which of the following has the fastest process of heat transfer?

(a)

Conduction

(b)

convection

(c)

Radiation

(d)

all the above

At what temperature are Celsius and Fahrenheit equal

(a)

40°

(b)

-40°

(c)

0⁰

(d)

100°

In a simple circuit, why does the bulb glow when you close the switch?

(a)

The switch produces electricity

(b)

Closing the switch completes the circuit.

(c)

Closing the switch breaks the circuit.

(d)

The bulb is getting charged.

Kilowatt hour is the unit of

(a)

resistivity

(b)

conductivity

(c)

electrical energy

(d)

electrical power

The relation between potential difference (V) and current (I) was discovered by:

(a)

Volt

(b)

Ohm

(c)

Newton

(d)

Ampere

If two unequal resistors connected in parallel then.

(a)

The voltage is same in both resistor

(b)

The current is same in both resistor

(c)

The voltage is larger in one of the resistor

(d)

The current is large in one of the resistor

Velocity of sound in a gaseous medium is 330 ms^-1. If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is

(a)

330 ms^-1

(b)

660 ms^-1

(c)

156 ms^-1

(d)

990 ms^-1

The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?

(a)

speed

(b)

frequency

(c)

wavelength

(d)

none of these

The pitch of sound depends on

(a)

frequency

(b)

amplitude

(c)

both

(d)

none

Bats deflect from the obstacles in their path by receiving the reflected _______ waves.

(a)

radio

(b)

ultrasonic

(c)

electromagnetic

(d)

infrasonic

Man-made radioactivity is also known as ___________.

(a)

Induced radioactivity

(b)

Spontaneous radioactivity

(c)

Artificial radioactivity

(d)

a & c

____________ isotope is used for the treatment of cancer.

(a)

Radio Iodine

(b)

Radio Cobalt

(c)

Radio Carbon

(d)

Radio Nickel

The control rod in a nuclear reactor is made of

(a)

uranium

(b)

cadmium

(c)

graphite

(d)

plutonium

૪ rays are ________ in charge.

(a)

positive

(b)

negative

(c)

neutral

(d)

none

The volume occupied by 4.4 g of CO₂ at S.T.P

(a)

22.4 liter

(b)

2.24 liter

(c)

0.24 liter

(d)

0.1 liter

The volume occupied by 1 mole of a diatomic gas at S.T.P is

(a)

11.2 liters

(b)

5.6 liters

(c)

22.4 liters

(d)

44.8 liters

Identify the 'hetero nuclear tri atomic molecule' among the following.

(a)

P₄

(b)

H₂SO₄

(c)

CO₂

(d)

O₃

Atomicity of Sulphur is

(a)

1

(b)

2

(c)

4

(d)

8

_____ group contains the member of halogen family.

(a)

17^th

(b)

15^th

(c)

18^th

(d)

16^th

In the aluminothermic process the role of Al is _____.

(a)

oxidizing agent

(b)

reducing agent

(c)

hydrogenating agent

(d)

sulphurising agent

Which of the following is the pair of shortest and longest periods in the modern periodic table?

(a)

1^st, 2^nd

(b)

2^nd, 3^rd

(c)

5^th, 7^th

(d)

1^th, 6^th

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

(a)

Metallurgy

(b)

Mining

(c)

Smelting

(d)

Leaching

The number of components in a binary solution is _____________

(a)

2

(b)

3

(c)

4

(d)

5

Which of the following is hygroscopic in nature?

(a)

ferric chloride

(b)

copper sulphate pentahydrate

(c)

silica gel

(d)

none of the above

Solubility of a solute is governed by

(a)

nature of solute and solvent

(b)

temperature

(c)

pressure

(d)

all the above

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

Photolysis is a decomposition reaction caused by __________

(a)

heat

(b)

electricity

(c)

light

(d)

mechanical energy

The pH of a solution is 3. Its [OH^–] concentration is

(a)

1 × 10^–3 M

(b)

3M

(c)

1 × 10^–11 M

(d)

11 M

Ionic product of water is expressed

(a)

K_w = [Hp⁺] [OH^-]

(b)

K_w = [H⁺] [OH^-]

(c)

both (a) and (b)

(d)

neither (a) nor (b)

Copper displaces - metal from its solution.

(a)

Zn

(b)

AI

(c)

Ag

(d)

all the above

The IUPAC name of an organic compound is 3-Methyl butan-1-ol. What type compound it is?

(a)

Aldehyde

(b)

Carboxylic acid

(c)

Ketone

(d)

Alcohol

Rectified spirit is an aqueous solution which contains about _______ of ethanol

(a)

95.5 %

(b)

75.5 %

(c)

55.5 %

(d)

45.5 %

Which of the following is formed when soap water acts on clothes to remove dirt or grease?

(a)

acetic acid

(b)

Micelle

(c)

Ethyl alcohol

(d)

all the above

The organic acid present in Vinegar is ___________ acid.

(a)

methanoic

(b)

ethanoic

(c)

Propanoic

(d)

Butanoic

Casparian strips are present in the _____________ of the root.

(a)

cortex

(b)

pith

(c)

pericycle

(d)

endodermis

Kreb’s cycle takes place in

(a)

chloroplast

(b)

mitochondrial matrix

(c)

stomata

(d)

inner mitochondrial membrane

In leech locomotion is performed by

(a)

Anterior sucker

(b)

Parapodia

(c)

Setae

(d)

Contraction and relaxation of muscles

Mammals are ______________ animals.

(a)

Cold blooded

(b)

Warm blooded

(c)

Poikilothermic

(d)

All the above

The number of cranial and spinal nerves in rabbit are_______ respectively

(a)

11 and 36

(b)

12 and 37

(c)

12 and 36

(d)

10 and 37

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

Active transport involves

(a)

Movement of molecules from lower to higher concentrations

(b)

Expenditure of energy

(c)

It is an uphill task

(d)

All of the above

Which is the correct sequence of  blood flow

(a)

Ventricle → atrium → vein → arteries

(b)

Atrium → ventricle → veins → arteries

(c)

Atrium → ventricle → arteries → vein

(d)

Ventricles → vein → atrium → arteries

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

Normal pulse rate ranges from________

(a)

80-90/min

(b)

70 -90/min

(c)

50 - 60/min

(d)

70 - 80/min

The neurons which carries impulse from the central nervous system to the muscle fibre.

(a)

afferent neurons

(b)

association neurons

(c)

efferent neurons

(d)

unipolar neurons

Node of Ranvier is found in

(a)

muscles

(b)

axons

(c)

dendrites

(d)

cyton

A human brain is formed of ______ main parts.

(a)

three

(b)

four

(c)

two

(d)

six

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

(a)

Cerebellum

(b)

Cerebrum

(c)

Thalamus

(d)

Diencephalon

Avena coleoptile test was conducted by

(a)

Darwin

(b)

N. Smit

(c)

Paal

(d)

F.W. Went

Which one is referred as “Master Gland”?

(a)

Pineal gland

(b)

Pituitary gland

(c)

Thyroid gland

(d)

Adrenal gland

Premature shedding is caused by ______

(a)

auxin

(b)

ethylene

(c)

ABA

(d)

gibberellin

_____ is a natural Auxin.

(a)

Phenyl Acetic Acid

(b)

Indole 3 Butyric Acid

(c)

α - Naphthalene Acetic Acid

(d)

Indole - 3- Propionic Acid

Syngamy results in the formation of____________

(a)

Zoospores

(b)

Conidia

(c)

Zygote

(d)

Chlamydospores

What is true of gametes?

(a)

They are diploid

(b)

They give rise to gonads

(c)

They produce hormones

(d)

They are formed from gonads

The process of spermatogenesis takes place in the___________

(a)

Sertolicel cells

(b)

Seminiferous tubules

(c)

Leydigcells

(d)

Centrioles

The fertilized egg becomes implanted in about_______________ after fertilization

(a)

5-7 days

(b)

5-6 days

(c)

6 - 7 days

(d)

5 - 8 days

Okasaki fragments are joined together by ___________________.

(a)

Helicase

(b)

DNA polymerase

(c)

RNA primer

(d)

DNA ligase

The loss of one or more chromosome in a ploidy is called_____________.

(a)

Tetraploidy

(b)

Aneuploidy

(c)

Euploidy

(d)

Polyploidy

Down's syndrome is a case of___________

(a)

Euploidy

(b)

Deletion

(c)

Translocation

(d)

Aneuploidy

In human, each cell normally consists _________of chromosomes.

(a)

23 pairs

(b)

22 pairs

(c)

20 pairs

(d)

12 pairs

Paleontologists deal with

(a)

Embryological evidences

(b)

Fossil evidences

(c)

Vestigial organ evidences

(d)

All the above

The term Ethnobotany was coined by

(a)

Khorana

(b)

J.W. Harshberger

(c)

Ronald Ross

(d)

Hugo de Vries

Ancon sheep is an example of _________.

(a)

vestigial organ

(b)

discontinuous variation

(c)

acquired character

(d)

natural selection

The degenerated wing of ___________ is an example for organ of disuse.

(a)

kiwi

(b)

chicken

(c)

duck

(d)

dove

We can cut the DNA with the help of

(a)

scissors

(b)

restriction endonucleases

(c)

knife

(d)

RNAase

In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are

(a)

n = 7 and x = 21

(b)

n = 21 and x = 21

(c)

n = 7 and x = 7

(d)

n = 21 and x = 7

Dr. Norman received the Nobel peace prize in_________

(a)

1960

(b)

1980

(c)

1956

(d)

1970

Blood dotting factors produced by biotechnology helps patients suffering from__________.

(a)

haemophilia

(b)

homeostasis

(c)

cerebral palsy

(d)

CHD

Tobacco consumption is known to stimulate secretion of adrenaline. The component causing this could be

(a)

Nicotine

(b)

Tannic acid

(c)

Curcumin

(d)

Leptin

Where does alcohol effect immediately after drinking?

(a)

eyes

(b)

auditory region

(c)

liver

(d)

central nervous system

______________ 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

Soil erosion is more where there is

(a)

no rainfall

(b)

low rainfall

(c)

rainfall is high

(d)

none of these

Global warming will cause

(a)

raise in level of oceans

(b)

melting of glaciers

(c)

sinking of islands

(d)

all of these

Choose the non-renewable energy resource

(a)

Solar energy

(b)

Water

(c)

Minerals

(d)

Wind

The project for conservation of_______was launched in 1976

(a)

tiger

(b)

elephant

(c)

lion

(d)

crocodile

Which software is used to create animation?

(a)

Paint

(b)

PDF

(c)

MS Word

(d)

Scratch

Which is used to edit programs?

(a)

Inkscape

(b)

script editor

(c)

stage

(d)

sprite

In Scratch, the characters are known as_________

(a)

Sprite

(b)

Stage

(c)

Element

(d)

Script

Which button is presses to run the script?

(a)

Green flag

(b)

Red flag

(c)

Blue flag

(d)

Yellow flag