____________is the fundamental quantity.

(a)

Length

(b)

Area

(c)

Volume

(d)

Density

Which one of the following is most likely not a case of uniform circular motion?

(a)

Motion of the Earth around the Sun

(b)

Motion of a toy train on a circular track

(c)

Motion of a racing car on a circular track.

(d)

Motion of hours' hand on the dial of the clock

According of _______________________ of light, angle of incidence is equal to angle of reflection

(a)

refraction

(b)

dispersion

(c)

reflection

(d)

total internal reflection

Change in the number of neutrons in an atom changes it to

(a)

an ion

(b)

an isotope

(c)

an isobar

(d)

another element

Identify the mineral which regulates nerve and muscles activity?

(a)

Iron

(b)

Iodine

(c)

Sodium

(d)

Potassium

_________ belongs to the generation IV of the computer

(a)

Microprocessor

(b)

Artificial intelligence

(c)

Transistor

(d)

Vaccum Tubes

Assertion (A) Electric current will not flow between two charged bodies when connected if their charges are same.
Reason (R) Current is the rate of flow of charge.

(a)

If both assertion and reason are true and reason is the correct explanation of assertion

(b)

If both assertion and reason are true but reason is not the correct explanation of assertion.

(c)

If assertion is true but reason is false

(d)

If assertion is false but reason is true.

Elements in the modern periodic table are arranged in__________ groups and __________ periods.

(a)

7,18

(b)

18,7

(c)

17,8

(d)

8, 17

Which of the following is not a salivary gland?

(a)

Sublingual

(b)

Lachrymal

(c)

Submaxillary

(d)

Parotid

A Sonar device on a submarine send out a signal and receives an echo 5 seconds later. Calculate the speed of sound it water if the distance of the object from the submarine is 3500 m.

(a)

1440 ms^-1

(b)

1460 ms^-1

(c)

1400 ms^-1

(d)

1550 ms^-1

Which of the following is an high milk yielding variety of cow?

(a)

Holstein- Friesan

(b)

Dorset

(c)

Sahiwal

(d)

Red Sindhi

Find out the Paid and Proprietary software from the given list

(a)

Windows

(b)

MAC OS

(c)

Adobe Photoshop

(d)

All the above

Convert: 300 K into Celsius scale,

Write the mirror equation.

1. Let us take two glass tumblers and fill one with cold water and the other with hot water.
2. Now add a drop of red ink into each of the glasses but do not stir. Observe.
3. In which glass does water turn red faster?
4. Does the rate of mixing change with temperature? What do you conclude?

Which unique feature is seen in Echinoderms?

What is an adulterant?

Write a note on ENIAC.

What is the role of RBC?

Define 
a. Pisiculture
b. Apiculture
c. Vermiculture
d. Mariculture
e. Floriculture
f. Compost
g. Pomiculture
h. Pinning

Differentiate mass and weight.

How do we separate cream from milk?

State the direction of incident ray which after reflection from a spherical mirror retraces its path. Give reason for your answer.

Illustrate the law of multiple proportion by an example.

An organism A which cannot move from one place to another makes a simple food B from the substances C and D available in the environment. This food is made in the presence of green coloured substance E present in organs F in the presence of light energy in a process called G Some of the simple food B also gets converted into a complex food H for storage purposes. This food gives blue-black colour with iodine solution?
(a) What is (i) organism A (ii) food B and food H?
(b) What are C and D?
(c) Name (i) green coloured substance E and organ F.
(d) What is the process G?

How is the reproductive characters of mammals different from those of Aves?

Calculate the amount of heat required to convert 200g of ice at 0⁰C into water at 0⁰C Specific latent heat of fusion of ice = 336 Jg^-1

Draw magnetic field lines around a bar magnet

What is Hardware and Software?

1. State any five features of modern periodic table.

2. Explain simple epithelium and its types.

1. Explain the structure of kidney and the steps involved in the formation of urine

2. Explain the working of Hydraulic press. Why they are called as force multipliers.

1. What is the role played by the earthworms to improve the soil fertility? How does it adapt to light and temperature.

2. Name the causative agent of typhoid in human. How does the pathogen gain entry into the human body? Write the diagnostic symptoms and mention the organ that is affected in severe cases.