List of top Biology Questions

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

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 ovule is naked because

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

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

Saffron is produced from

What is the similarity between gymnosperms and angiosperms ?

Which part of angiosperm is equivalent to the megasporophyll of Cycas ?

Which one of the following is the major difference between mosses and ferns ?

Which of the following statements is incorrect about Cycas ?

Which of the following pigments are found in brown algae ?

Which of the following is characteristic of ferns ?

Algmic acid is present in the cell wall of

Bentham and Hooker in their system of classification placed Family Leguminosae under

Bryophytes are called amphibians of plant kingdom because