Biology questions
20584 published questions with worked solutions.
- Syngamy is the process in whichNot in NEET syllabus
- Entry of pollen tube with two male gametes and tube nucleus through micropyle is
- Double fertilization involves
- Which of the following is not true for double fertilization?
- Triple fusion in angiosperm is the fusion of second sperm with
- Which of the following is the result of double fertilization?
- Nuclear type of endosperm is found in
- Which of the following floral part forms pericarp after fertilization?
- Testa of a seed is produced from
- Match the following ovular structures in column I with post-fertilization structures in column II and select the correct...
- Study the following table and chose the correct option from the given codes below. Column I (Structure before seed formation) A....
- Ruminate endosperm is found in the seeds of family
- The process of embryo formation without fertilization is known as
- Embryo developed from nucellus and integument is known as
- Nucellar polyembryony is reported in species of
- Adventive apomixes is found is
- Match the following column I with column II. Column I A. Calyx B. Corolla C. Stamen D. Carpel Column II 1. Female gamete 2....
- The fully developed angiospermic anther consists of
- Pollen viability is about 30 minutes in
- Male gametes whether 2-celled or 3-celled are identical in genetic make up because