In angiosperms, one of the male gametes fuses with the secondary nucleus to produce:
1. Endosperm
2. Zygote
3. Embryo
4. Primary endosperm nucleus

Identify the incorrect statement regarding algae:

A difference between a gymnosperm and an angiosperm would be:
1. Lack of a flower
2. Undeveloped vascular tissue
3. Xylem is mainly composed of vessels and phloem contains companion cell in angiosperms
4. Microspore grows into a pollen tube

Which of the following is not seen in red algae?

The bryophytes are also called as the amphibians of plants kingdom mainly because:
1. they respire through the moist epidermis
2. they depend on water for sexual reproduction
3. they require more water than most plants
4. they lack true roots

The given life cycle represents a/an:

1. Bryophyte
2. Pteridophyte
3. Gymnosperm
4. Angiosperm

What is incorrect regarding bryophytes in general?
1. Sex organs are multicellular
2. Main plant body is haploid
3. Sporophyte is free living and photosynthetic
4. Zygotes do not undergo reduction division immediately

Identify the incorrectly matched pair:

Which of the following would not be true regarding importance of algae?
1. They increase level of dissolved oxygen in water
2. Many can be used as food source
3. They are the source of most antibiotics known to man
4. Products like hydrocolloids [algin] and agar are useful to man

Red algae photosynthesize at ocean depths greater than any other group of algae and hence can be found in deepest waters because they