List of practice Questions

Female sex organ of Chara is known as

Fusion of two motile gametes which are dissimilar in size is termed as

Green algae usually have a rigid cell wall made of an inner layer of ______ and an outer layer of _______.

Gymnosperm called as a living fossil

Gymnosperms do not include

Haplo-diplontic life cycle is found in

Heterosporous pteridophytes show certain characteristics, which are precursor to the 'seed habit' in gymnosperms, One of such characteristics is

Heterospory is found in some members of___ and all members of____ .

Identify the alga which exhibits diplontic life cycle

In brown algae the flagella are

In double fertilisation, one male gamete fuses with the to form zygote and the other male gamete fuses with to form primary endosperm nucleus.

In Funaria, the haploid structure is

In gymnosperms, pollination occurs by

In gymnosperms, the male and female gametophytes do not have independent existence. They remain within the sporangia retained on the sporophyte.

In gymnosperms, the ovule is naked because

In sexual life cycle of Agaricus, dikaryotization (n + n) is brought about by

In the classification of plants, the term cladistics refers to the

In Ulothrix, sexual reproduction is by

In which of the following plants, isogamy, anisogamy and oogamy all are found ?

Laminarin and mannitol, the reserve food of brown algae, are

Major photosynthetic pigments in green algae are

Most plants are green in colour because

Mycorrhizal roots of____ are associated with some fungal symbionts.

Name the fern whose leaf tip produces roots when it touches the soil and is known as 'walking fern'.

Ploidy level of Nucellus, endosperm, polar nuclei , Megaspore mother cell, female gametophyte respectively are