Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.
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In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Which of the following micro-organism causes diseases like polio and chicken pox?
Which among the following does not have a cell wall?
Which of the following pairing is incorrect
______ is the perpendicular distance between point of application of force and axis of rotation.
Which of the following country has recently declared 3 month emergency following a failed military coup?