Sexual Reproduc...

There are two types of flowers in a plant namely

A part of plant that keeps on growing over soil, making other small plants with penetrating roots in soil and growing of shoots towards light is known as

Which of the following pairs of cells are diploid?

When seed is sown into soil, first thing which happens it

Self-incompatibility is a device to prevent in-breeding. Which of the following situations takes place during self-incompatibility?

First part which comes out of a seed is

Besides cellulose, the intine layer of pollen grains also contains

Which of the following walls of microsporangium has more than one nucleus per cell?

Transfer of pollen grains from anther to stigma of same flower, or to stigma of another flower on same plant is known as

Apomixis is a phenomenon found in some grasses. What happens during apomixis?

Flowers pollinated by means of insects, have

The number of ovules in an ovary may be one or many. In which of the following plants a single ovule might be present in the ovary?

Which of the following cells undergoes meiotic division?  

a. Microspore mother cell
b. Megaspore mother cell
c. Sporogenous cells  
d. Microspores

Which of the following sentences about megasporogenesis is false?

By which kind of pollination method can assured seeds be produced even in the absence of pollinators?

Pollen grains consist of 2 cells, i.e vegetative and generative. Which of the following sentences is correct about the vegetative cell?

Intergeneric hybridization is a type of hybridization which involves crossing between two different genera of the same family. Which of the following sentence is false about intergeneric hybridization?

As embryo grows, ovule turns into a

Insects pollinated flowers face

Perisperm is a residual nucellus, which persists in some seeds. In which of the following plants it is found?

Stigma of wind pollinated flower is

Which of the following is an aquatic plant that does not use water for pollination?

What is the ratio of antipodal cells: polar cell: synergids in embryo sac?

What is common between wheat, maize and sunflower seeds?

Male reproductive part of a flower contains two round shaped structures at their tip. These structures are known as