The length of a room floor exceeds its breadth by 20 m. The area of the floor remains unaltered when the length is decreased by 10 m but the breadth is increased by 5 m. The area of the floor (in square metres) is :

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#Question id: 12640

#Unit 10. Ecological Principles

Plant species produce a which type of  defensive proteins that bind to carbohydrates or carbohydrate-containing proteins. After being ingested by an herbivore, that bind to the epithelial cells lining the digestive tract and interfere with nutrient absorption

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#Question id: 19288

#Unit 9. Diversity of Life Forms

Egg cell in the embryo sac

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#Question id: 946

#Unit 1. Molecules and their Interaction Relevant to Biology

Aspartate is the precursor for which of the following amino acids?

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#Question id: 11056

#Unit 10. Ecological Principles

The "dead-leaf" butterfly is aptly named. This is an example of what kind of defense against predation?

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#Question id: 1099

#Unit 4. Cell Communication and Cell Signaling

How does the toxin of Vibrio cholerae cause profuse diarrhea?