Biology questions
20584 published questions with worked solutions.
- Match the following column with column II. Column I A. Amphimixis B. Tapetum C. PMC D. Germ pores Column II 1. Sexual...
- Match the following ovular structure with the post-fertilization structure and select the correct alternative Column-I: (A)...
- Endosperm is consumed by developing embryo in the seed of
- 'In coconut, the cellular endosperm surrounds the nuclear endosperm'. The above statement is
- A typical dicotyledonous embryo consist of a _____ (A) axis and _____ (B) cotyledons. The portion of embryonal axis above the...
- Thalamus contributes in the fruit formation in
- Polyembryony is a type of
- Apomixes is seen in
- Apomixes arises due to
- Which is most crucial for seed storage?
- Apomictic embryos in citrus arise from
- A seed matures if water content is reduced to _____ (A). If the general metabolism _____ (B), the embryo enter a state called...
- Which one of the following is not true about Salvia flower? [MHTCET 2023]
- In angiosperms, the fusion of male gamete with the secondary nucleus is considered as 'second fertilization' because [MHTCET 2023]
- The exine of pollen grain is made up of ______. [MHTCET 2023]
- Which character of angiosperms helped in their dominance on earth? [MHTCET 2023]
- Which one of the following is not true about self-pollination? [MHTCET 2023]
- Double fertilization in angiosperms was first discovered by SG Nawaschin in ______ plants. [MHTCET 2023]
- Stamens with long bifurcated connective are found in _____ flower. [MHTCET 2023]
- During fertilization, if the pollen tube enters the ovule through integuments, then it is called as ______. [MHTCET 2023]