Biology questions
20584 published questions with worked solutions.
- In double fertilization, the first male gamete fuses with eggs and second male gamete fuses with [MH-CET 2008]
- After penetrating stigmatic and styler tissues, the pollen tube usually grow down towards the egg because [CPMT 1985]
- When pollen tube enters the ovule through the micropyle it is known as [MH-CET 2004]
- In angiosperm, what is the ploidy level of endosperm?
- In angiosperm, triple fusion in necessary for the formation of [CBSE PMT 1996]
- Double fertilization is a characteristic of [AFMC 1984, CPMT 1987, BCECE 1993, BHU 1994, Kerala CET 1995, MP PMT 1999, MP PMT...
- Suspensor is formed from [MH-CET 2008]
- In angiosperms, free nuclear divisions occurs during [AFMC 1975, BHU 1977]
- An example of a naturally occurring parthenocarpic fruit is
- In angiosperms, the oospore on development produces [CBSE PMT 1993]Not in NEET syllabus
- The parthenogenesis refers to a fruit [DPMT 1987, NCERT 1993, CPMT 1981, CPMT 1984, CPMT 1996]
- What is present inside a seed? [MH-CET 2002]
- Which one is an example of triploid tissue? [CPMT 1973, CPMT 1978, CPMT 1993, CPMT 1994]
- The development of fruit, without fertilization, is called [MH-CET 1999]
- Triploid plants can be obtained from culture of [AIIMS 1993]Not in NEET syllabus
- A true fruit is developed from [MH-CET 2001]
- Presence of many embryos (Polyembryony) is a characteristic feature of [CBSE PMT 1995, CPMT 1995, CPMT 1998]
- Which of the following is diploid? [MH-CET 2009]
- Pollination occurs when a pollen grain [DPMT 1993]
- If the diploid number of an angiospermic plant is 24, the number of chromosomes in the pollen grain, endosperm and integument...