1.  double pear shaped chloroplast

2.  chloroplasts pear shaped, triple in number

4.  None of the above.

2.  spore formation

3.  gametes formation

4.  sex cells formation

1.  Spores and gametes are invariably diploids

3.  Only gametes are invariably haploids

4.  Only spores are invariably haploids.

1.  The middle one may be female and outer ones are male.

2.  The middle one may be male and the outer ones are female in which zygospores are formed

4.  Neither (A) and (B).

1.  one

2.  two

4.  four

1.  Gamete formation

2.  Spore formation

4.  Spore germination

1.  Heterotrophic

2.  Parasitic

4.  Saprophytic.

2.  Aflagellate

3.  Quadriflagellate

4.  Uniflagellate.

1.  Zoospore

3.  Azygospore

4.  Aplanospore.

2.  dissimilar gametes fuse

3.  sperm and egg fuse

4.  micro-gametes and macro-gametes fuse.