EASY
RRB JE CBT 1
IMPORTANT
Earn 100

Which cell organelle is called the Master of the cell?
(a)Endoplasmic reticulum
(b)Mitochondria
(c)Nucleolus
(d)Nucleus

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Important Questions on Practice Set
EASY
RRB JE CBT 1
IMPORTANT
Find the value of the question mark in the following.

EASY
RRB JE CBT 1
IMPORTANT
Select the INCORRECT match's from the following.
A. Copper-Cu
B. Gold-Au
C. Mercury-Me
D. Platinum-Pt
E. Silver-Ag

MEDIUM
RRB JE CBT 1
IMPORTANT
A boat at anchor is rocked by waves whose consecutive crests are m apart. The wave velocity of the moving crest is m/s. What is the frequency of rocking of the boat?

MEDIUM
RRB JE CBT 1
IMPORTANT
Which of the following is NOT a double displacement reaction ?

MEDIUM
RRB JE CBT 1
IMPORTANT
An element with an atomic number of is:

EASY
RRB JE CBT 1
IMPORTANT
invested at simple interest per annum for years yields the same interest as that on invested at simple interest per annum for years. Find ?

EASY
RRB JE CBT 1
IMPORTANT
Which of the following method will separate water from muddy water?

MEDIUM
RRB JE CBT 1
IMPORTANT
Which of the following statement is/are true or false?
Statements:
A. On moving from left to right in a period, the chemical reactivity of the elements first decreases and then increases.
B. The chemical reactivity of non-metals increases on going down in a group of the periodic table.
