Both bryophytes and pteridophytes require water for fertilization, yet they differ from each other in many aspects. Bring out any two difference between them.

Museums and Zoological parks (Zoos) are both taxonomical aids, yet, how do they differ from each other?

How are ascospores and conidia, both produced by ascomycetes, different from each other?

Bring out the differences between primary and secondary metabolites. Name an example for each of them.

Form the pair of linear equations for the following problems and find their solutions by substitution method.(i) The difference between two numbers is 26 and one number is three times the other.Find them.

Bring out the differences between the sporophyte of gymnosperms with that of bryophytes.

Bring out of the major differences between thallophytes (algae) and bryophytes.

Two poles of equal heights are standing opposite each other on either side of the road,which is 80m wide.From a point between them on the road,the angles of elevation of the top of the poles are 60^@ and 30^@ respectively.Find the height of the poles and the distances of the point from the poles.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:Places A and B are 100km apart on a highway.One car starts from A and another from B at the same time.If the car travel in the direction at different speeds,they meet in 5 hours.If they travel towared each other,they meet in 1 hour .What are the speeds of the two cars?

Two poles of equal heights are standing opposite to each other on either side of the road which is 80m wide. From a point between them on the road the angles of elevation of the top of the poles are 60° and 30° respectively. Find the height of the poles .