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Who said, 'I disapprove of what you say, but I will defend to the death your right to say it'?

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Important Questions on Cell : The Unit of Life

HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Let f:R→R be a positive increasing function with limx→∞⁡f(3x)fx=1. Then, limx→∞⁡f(2x)f(x) is equal to
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Amongst the following statements, that which was not proposed by Dalton was :
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
In a class of 60 students, 40 opted for NCC, 30 opted for NSS and 20 opted for both NCC and NSS. If one of these students is selected at random, then the probability that the student selected has opted neither for NCC nor for NSS is :
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Minimum number of times a fair coin must be tossed so that the probability of getting at least one head is more than 99%  is:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
If · denote the greatest integer function then limn→∞x+2x+….+nxn2 is -
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
limx→0sinπcos2xx2 is equal to 
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Two cards are drawn at random and one-by-one without replacement from a well-shuffled pack of 52 playing cards. Find the probability that one card is red and the other is black. 
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
A determinant of second order is made with the elements 0, 1. What is the probability that the determinant is positive?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R

Assertion A : An electric fan continues to rotate for some time after the current is switched off.

Reason R: Fan continues to rotate due to inertia of motion.

In the light of above statements, choose the most appropriate answer from the options given below.

 

MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Give four important postulates of Dalton's atomic theory.
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Identify the statement which is false regarding the postulates of Dalton's atomic theory.
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
What are the main postulates of Dalton’s Atomic Theory ? What were its limitations? How has the theory been modified ?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
A chemical reaction involves the participation of which smallest matter?
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
What are the limitations of Dalton's atomic theory?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
The law which doesn’t follow from _____ atomic theory is Gay-Lussac's law of gaseous volumes. (Dalton/Rutherford)
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
What are the limitations of Dalton's atomic theory?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
Which among the following is not a basic postulate of Dalton's atomic theory?
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
What are the main features of Dalton's atomic theory?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Cell Theory
What is the smallest unit of matter ?