Biology questions
20584 published questions with worked solutions.
- Nourishing layer in the internal layer of anther is [MH-CET 2002]
- In angiosperm, all 4 microspores of tetrad are covered by a layer which is formed by [CBSE PMT 2002]
- Flower is considered as 'modified shoot' because [MH-CET 2001]
- Cross pollination does not occur in [MH-CET 2014]
- Dichogamy which helps in cross pollination is a floral mechanism in which [CPMT 1989, CPMT 2000]
- Geitonogamy involves [AIPMT 2014]
- Bird pollination is [MH-CET 2005]
- Bright coloured flower is an adaptation for [MH-CET 2004]
- A close relation between flower and pollinating agent is best exhibited by
- Cross-pollination through insect agent is called [WB-JEE 2014]
- Progeny produced as a result of cross pollination [CMC Vellore 1994]
- Pollination characteristically occurs in [BHU 1994]
- Feathery stigma is present in [BHU 1995]
- Fertilization which involves the formation of pollen tube is called [MH-CET 2001]
- When pollen tube enters by integuments, then the process is called [CPMT 1989, MH-CET 1991, MP PMT 2000, MP PMT 2004]
- Through which route the pollen tube enters the ovule? [MP PMT 2001]
- Double fertilization was discovered by [CPMT 1990, RPMT 1993, MP PMT 1996, BHU 1999, BHU 1995, BHU 1999, BHU 2003]
- Syngamy means [CBSE PMT 1991]Not in NEET syllabus
- Endosperm in angiosperm are [MH-CET 2006]
- In plants, in nature, autogamy is avoided since the seeds produced [JIPMER 1993]