Read the given statements.
(i) P was used for making Mount Rushmore.
(ii) Q was used for making Taj Mahal.
(iii) R was used for making Red Fort.
Select the option which identifies P–R.
answer is b mount Rushmore is made of granite and granite is igneous taj mahal is made up of white marble and marble is a metamorphic red fort is made of red sandstone and red sand stone is sedimentary
Find out the incorrect statement.
A Osmosis is a slow process, occurs down the concentration gradient and does not expend energy.
B Electron microscope uses very high voltage electricity. It uses electromagnets instead of glass lenses and beam of electrons instead of light.
C A semipermeable membrane does not allow both solvent and solute molecules to pass through it.
D Active transport of materials is rapid and usually occurs against the concentration gradient involving carrier proteins and energy in the form of ATP.
We've to find an incorrect statement....The answer given i.e. C is a correct statement.....So it is not the right answer....Please give a correct answer...Thank you
A student concludes that the material in a round bowl is liquid. Which statement about the material must be true?
AThe material is clear.
BThe material weighs 1 kg.
CThe material has a temperature of 35°C.
DThe material takes the shape of its container.
i did (D)
Two objects, A and B are thrown upwards simultaneously with the same speed. The mass of A is greater than the mass of B Suppose the air exerts a constant and equal force of resistance on the two bodies, then
AA will go higher than B
BB will go higher than A
CThe two bodies will reach the same height
DNone of these.
When an ideal simple pendulum oscillates between the extreme points P and Q, there is continuous (i) of potential energy and kinetic energy. The potential energy depends on the choice of (ii) . Force acting on the bob of the pendulum is maximum at
(iii), and minimum at (iv).
|A||Dissipation||reference level||mid point||extremes|
|C||Exchange||reference level||extremes||mid point|
Ali, Ben and Cate, each held the handle of different sauce-pans. Ali held a wooden handle, Ben held a metal handle and Cate held a plastic handle. The teacher told them to heat the sauce-pans holding the handles. Who will let go off the handle first ?
DNone of these
Reeta puts two different objects in each of the following containers.
Containers. (i) : Copper coin and iron nail
Container (ii) : Steel nail and aluminium earring
Container (iii) : Marble and gold coin
Container (iv) : Nickel coin and steel nail
She can use a magnet to separate the objects in containers __________ .
A(i) and (ii)
B(i), (ii) and (iii)
C(i), (ii) and (iv)
D(i), (ii), (iii) and (iv)
Consider the following statements (a - d) each with one or two blanks.
I. In our body, _(1)_ is the longest cell while _(2)_ is the smallest cell.
II. Cell membrane in animal cells is _(3)_
III. Mitochondria is absent in _(4)_
IV. _(5)_ are membraneless organelles of cell and are involved in synthesis of _(6)_
Select the correct option to fill any three or four blanks.
A1 - Neuron, 2 - PPLO , 4 - bacteria
B3 - Permeable , 5 - Ribosomes, 6 - proteins
C3 - Selectively permeable , 1 - Neuron, 2 - RBC
D3 - Impermeable , 4 - human RBCs , 6 - lipids