An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
Anonymous Quiz
19%
Mg
57%
Na
14%
P
10%
Ca
π9π₯°6β€3π2π2
A non-metal which is a good conductor of electricity is β¦β¦β¦
Anonymous Quiz
56%
Graphite
19%
Diamond
9%
Sodium
16%
Copper
π14π10π8π₯2π€©2
The contraction and expansion movement of the walls of the food pipe is called:
Anonymous Quiz
19%
Translocation
62%
Perstalic movement
14%
Sieves
4%
None
π9β€4π2
The exit of unabsorbed food material is regu-lated by
Anonymous Quiz
39%
Anus sphincter
27%
Small intestine
30%
Large intestine
4%
None
π9β€2
Name the pores in a leaf through which respi-ratory exchange of gases takes place.
Anonymous Quiz
18%
Xyleam
21%
Vacuole
11%
Pholem
50%
Stomata
π10π₯7π₯°2
Which plant tissue transports water and min-erals from the roots to the leaf?
Anonymous Quiz
71%
Xyleam
17%
Pholem
8%
Parenchyma
4%
Collenchyma
π8π₯°5π₯2π2β€1π1π1
A blood vessel which pumps the blood from the heart to the entire body:
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52%
Artery
26%
Capillaries
19%
Vein
2%
None
π17π10π₯°5
π7π4β€2π₯°1π1π€©1
When rays of light after reflection meet a point β¦β¦β¦β¦.. image is formed
Anonymous Quiz
47%
Real
43%
Virtual
4%
None
6%
Both
π’8π7
According to laws of reflection, the angle of incidence is equal to angle of β¦β¦β¦β¦β¦
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63%
Reflection
32%
Refraction
3%
None
2%
Both
π10β€6π₯°4π1
The dentists use β¦β¦β¦β¦.. mirror to see large images of teeth of patients
Anonymous Quiz
52%
Concave
42%
Convex
4%
Plane
2%
None
π7π3π₯2
Power of convex lens is positive and concave lens is
Anonymous Quiz
79%
Negative
15%
Positive
6%
Both
1%
None
π8π€©4π3π1