Sexual Reproduc...

The true embryo develops as a result of fusion of 

Milk of tender coconut represents (i) and the surrounding white coconut meal represents (ii).

Endosperm is completely consumed by the developing embryo in

Coeorhiza and coleoptile are the protective sheaths coverging_______and__________respectively.

Which of the given statements are true?
(i) During the development of a dicot embryo, heart- shaped embryo is followed by globular embryo.
(ii) The part of embryonal axis above the level of cotyledons is epicotyl, while the part below the level of cotyledons is hypocotyl.
(iii) Monocot seeds possess a single cotyledon represented by scutellum.

Identify the parts labelled A, B and C in the given figure and select the correct option.

Identify the parts labelled as A, B, C and D in the given figure and select the correct option from the codes given below

Persistent nucellus is called as______________and is found in __________.

If an endosperm cell of an angiosperm contains 24 chromosomes, the number of chromosomes in each cell of the root will be

The cells of endosperm have 24 chromosomes. What will be the number of chromosomes in the gametes? 

In the given diagram, X represents

Father of Indian embryology is

This is an example of a very old viable seed excavated from Arctic Tundra. The seed germinated and flowered after an estimated record of 10,000 years of dormancy It is

Study the following statements and select the correct option.
(i) Tapetum nourishes the developing pollen grains.
(ii) Hilum represents the junction between ovule and funicle.
(iii) In aquatic plants such as water hyacinth and water lily, pollination is by insects.
(iv) The primary endosperm nucleus is triploid.

Identify the wrong statement regarding post fertilization development.