Consider the two statements:

I:	Eichhornia crassipes, the ‘terror of Bengal’ is an invasive weed.
II:	It was introduced in India for its beautiful flower and shape of leaves.

 

1.	Both I and II are correct and II explains I.
2.	Both I and II are correct but II does not explain I.
3.	I is correct but II is incorrect.
4.	I is incorrect but II is correct.

With the advent of adverse conditions, an organism capable of reproducing both asexually and sexually, will most likely:

In the given diagrams each part A, B, C and D shows a reproductive structure in an organism marked as ‘X’. Select the option where all parts are correctly matched:

A.		B.
B.		D.

The ability to produce adventitious buds is exploited by gardeners for commercial propagation of:

Encystation during unfavorable conditions followed by multiple fission and sporulation when favorable conditions return is seen in:

The number of chromosomes in a gamete of Ophioglossum is:

Corresponding to ‘monoecious’ in a plant, the bisexual condition in a fungus would be best described as:

In several simple plants like algae, bryophytes, and pteridophytes, water is the medium through which gamete transfer takes place. To increase the chances of fertilization, such plants:

Identify the correct statements:

Match vegetative propagules in COLUMN I with plants in COLUMN II and select the correct option from the codes given: