Q74. Choose correct option [ JEE Main ]
Anonymous Quiz
0%
A-3, B-2 , C-1 , D-4
50%
A-3 , B-1 , C-4 , D-2
33%
A-3 , B-2 , C-4 , D-1
17%
A-1 , B-2 , C-4 , D-3
Q75. Correct option
Anonymous Quiz
14%
A-3 , B-2 , C-1 , D-4
29%
A-2 , B-3 , C-4 , D-1
14%
A-4 , B-2 , C-3 , D-1
43%
A-3 , B-1, C-2, D-4
Q76. Choose correct
Anonymous Quiz
44%
A-2 , B-1 , C-4 , D-3
22%
A-3 , B-4, C-2 , D-1
11%
A-2 , B-3 , C-4 , D-1
22%
A-4 , B-2 , C-3 , D-1
Q78 . How many cell organelles found in only animal cell
mitochondira , choloroplast , centriole , ribosomes , cell membrane
mitochondira , choloroplast , centriole , ribosomes , cell membrane
Anonymous Quiz
52%
one
14%
two
29%
three
5%
five
Q79. Animals accumulate ammonia, urea, uric acid, carbon dioxide, water & ions like Na+, K+, Cl–, phosphate, sulphate, etc., either by metabolic
activities or by other means like excess ingestion.
regard this statement which one is correct
activities or by other means like excess ingestion.
regard this statement which one is correct
Anonymous Quiz
67%
These substances have to be removed to a certain degree
8%
These substances have to be removed totally
25%
These substances have to be removed partially
0%
none
Q80.
statement 1 : Ammonia is the
most toxic form and requires large amount of water for its elimination, whereas uric acid, being the least toxic, can be removed with a minimum loss of water. statement 2 : bony fish is under Ammonotelism .
statement 1 : Ammonia is the
most toxic form and requires large amount of water for its elimination, whereas uric acid, being the least toxic, can be removed with a minimum loss of water. statement 2 : bony fish is under Ammonotelism .
Anonymous Quiz
14%
both are false
71%
both are true
14%
1 is true 2 is false
0%
1 is false and 2 is true
Q83. ' Protonephridia or flame cells are
the excretory structures'
regard above statement which one is correct
the excretory structures'
regard above statement which one is correct
Anonymous Quiz
41%
Platyhelminthes (Flatworms, e.g., Planaria), rotifers, some annelids & cephalochordate – Amphioxus
6%
Protonephridia are primarily concerned with ionic and fluid volume regulation, i.e osmoregulation
53%
both A & B are correct
0%
both are false
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Q94. If E and G denotes Engery and gravitational constant , then E/G has dimensions of
Anonymous Quiz
17%
M²L-¹T³
33%
M²L-¹T²
33%
M²L-¹T¹
17%
M²L-¹T⁰
Q95. Ratio of Plancks constant and Moment of inertia is
Anonymous Quiz
50%
Frequency
13%
Velocity
38%
Angular momentum
0%
Time
Q96. What are the dimensions of relative acceleration?
Anonymous Quiz
36%
M⁰LT-²
36%
MLT-²
27%
M⁰L⁰T⁰
0%
MLT⁰
Q97. The Given equation concerning you?
[ v²-u²=3as 】
[ v²-u²=3as 】
Anonymous Quiz
25%
Dimensionally correct but physically some how correct
19%
Both dimensions and physical form incorrect
6%
Dimensionally incorrectly but physically correct
50%
Dimensionally correct but physically incorrect
Q98. Which of the following group of physical quantity can be considered as a group of fundamental physical quantity
Anonymous Quiz
50%
Force, mass , time
14%
Mass, force, acceleration
7%
Velocity, momentum, mass
29%
none
Q99. Assertion (A): Astronomical unit, light year and parsec measures distance
Reason (R): Each has dimension of distance
Reason (R): Each has dimension of distance
Anonymous Quiz
92%
If both Assertion (A) & Reason (R) are True & the Reason is a correct explanation of the Assertion
8%
If both Assertion & (R) are True & the Reason is not a correct explanation of the Assertion
0%
both false
0%
only assertion true