Lakhmir Singh and Manjit Kaur Solutions for Chapter: Model Test Paper (As Per the Latest Marking Scheme), Exercise 1: MODEL TEST PAPER (As per the latest marking scheme)

State two characteristic properties of a liquid.

State two characteristic properties of a gas.

A scooterist covers a distance of $3$kilometres in $5$ minutes. Calculate his speed in: 

(a) centimetres per second $(\mathrm{cm}/\mathrm{s})$

(b) metres per second $(\mathrm{m}/\mathrm{s})$

(c) kilometres per hour $(\mathrm{km}/\mathrm{h})$

When do we say that work is done? Write the formula for the work done by a body in moving against gravity. Give the meaning of each symbol which occurs in it.

How much work is done when a force of $2 \mathrm{N}$ moves a body through a distance of $10 \mathrm{cm}$ in the direction of force?

Distinguish between fertilizer and manure. Give suitable examples. What are the advantages and disadvantages of using fertilizer?

Describe with a diagram the fluid mosaic organisation of the plasma membrane.

How does the atmosphere act as a blanket?