Identify P and Q in the given Venn diagram.
AQ is glass.
BP is wood.
CP is iron.
DBoth A and C
how glass is hard?
Select the correct statement regarding different kinds of soils.
(i) Sandy soil is dry and light and it holds a lot of air and water.
(ii) Loamy soil is a mixture of sand and clay and is good for growing plants.
(iii) Clayey soil is formed of very fine particles and hence does not hold much of water.
(iv) Gravel is widely used in concrete.
A (i) only
B (ii) and (iv)
C (ii), (iii) and (iv)
D (i) and (ii)
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
Which of these is true of mountain dwellers in relation to people residing at sea level?
AMountain dwellers have greater vital capacity and enlarged thoracic cavity
BMountain dwellers have reduced vital capacity and compressed thoracic cavity
CMountain dwellers inhale a smaller amount of air than people living at sea level
DMountain dwellers have a reduced concentration of red blood cells compared to people living at sea level.
Four closed beakers contain ice, water, steam, and water vapor, as shown in the given figure. Their respective temperatures are –5° C, 30° C, 115° C, and 45° C.
Aice < water < steam < water vapor
Bwater < ice < steam < water vapor
Cice < water < water vapor < steam
Dwater < ice < water vapor < steam
Study the given flow chart and select the option which can fill empty spaces X, Y and Z correctly.
AX - Rice, Y - Almond, Z - Milk
BX - Rice, Y - Milk, Z - Apple
CX - Mango, Y - Wheat, Z - Rice
DX - Milk, Y - Black gram, Z - Bajra
how can you answer B