cryptogams can be divided in which groups?

30 objects are to be divided in three groups containing 7,10,13 objects. Find the number of distinct ways for doing so.

Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?

Seed producing plants comes under which groups?

The plants whose seeds can be divided into equal parts are called……

Which of the following is primitive cryptogams ..and ..is advanced cryptogam

What are Cryptogams? Name the three divisions of Cryptogams.

Answer the following questions: Into which phyla is Non-Chordata divided? In which three subphyla are Chordates divided?