HARD
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In what year did Mahatma Gandhi undertake his last fast unto death?

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Important Questions on Ecosystem

MEDIUM
Biology>Ecology>Ecosystem>Decomposition
Which of these is not an important component of initiation of parturition in humans?
MEDIUM
Biology>Ecology>Ecosystem>Decomposition
Which of the following induces parturition?
EASY
Biology>Ecology>Ecosystem>Decomposition
Under the influence of oxytocin which layer of the uterus exhibits strong contractions during parturition?
MEDIUM
Biology>Ecology>Ecosystem>Decomposition

Read the statements and identify the right option.

Statement I: Mild foetal ejection reflex is induced by placenta.

Statement II: Foetal ejection reflex triggers the release of oxytocin from the ovary:

MEDIUM
Biology>Ecology>Ecosystem>Decomposition
A problem in mathematics is given to three students A, B, C and their respective probability of solving the problem is 12,13 and 14, the probability that the problem will be solved is
EASY
Biology>Ecology>Ecosystem>Decomposition
Which hormone is involved in induction of parturition?
EASY
Biology>Ecology>Ecosystem>Decomposition
The signals for the parturition process originate from
HARD
Biology>Ecology>Ecosystem>Decomposition

The hormone controlling parturition is

MEDIUM
Biology>Ecology>Ecosystem>Decomposition
Four persons can hit a target correctly with probabilities 12,13,14 and 18 respectively. If all hit at the target independently, then the probability that the target would be hit, is
MEDIUM
Biology>Ecology>Ecosystem>Decomposition
A die marked 1,2,3 in red 4,5,6 in green tossed. Let A be the event "number is even" and B be the event "number is marked red". Find whether the events A and B are independent or not.
HARD
Biology>Ecology>Ecosystem>Decomposition

According to the Darwinian theory of natural selection, the rate of appearance of new forms is linked to the life cycle or the life span of an organism. Explain with the help of an example.

EASY
Biology>Ecology>Ecosystem>Decomposition
Name the source plant of heroin drug. How is it obtained from the plant?
MEDIUM
Biology>Ecology>Ecosystem>Decomposition
Darwin's theory is based on
EASY
Biology>Ecology>Ecosystem>Decomposition
The probability of finding a green signal on a busy crossing X is 30%. What is the probability of finding a green signal on X on two consecutive days out of three?
EASY
Biology>Ecology>Ecosystem>Decomposition
Write the effects of heroin on the human body.
EASY
Biology>Ecology>Ecosystem>Decomposition
Drug called 'Heroin' is synthesized by:
EASY
Biology>Ecology>Ecosystem>Decomposition
The liver disorder caused due to alcoholism is called
MEDIUM
Biology>Ecology>Ecosystem>Decomposition
Do you think that friends can influence one to take alcohol/drugs? If yes, how may one protect himself/herself from such an influence?
EASY
Biology>Ecology>Ecosystem>Decomposition
Tobacco smoke contains carbon monoxide which
EASY
Biology>Ecology>Ecosystem>Decomposition
Physical and mental dependency over any specific drug is known as