Fertilisation And Post-fertilisation Test
Fertilisation And Post-fertilisation
This is online test 01 for CBSE class 12 Biology Sexual Reproduction in Flowering Plants (Fertilisation and post-fertilisation).. There are 10 questions in this test with each question having around four answer choices.
Questions & Answers
1
Which one forms the endosperm
- AOospore
- BSynergids
- CAntipodal cells
- DSecondary or polar nucleiCorrect
2
In which of the following plants endosperm is completely used up by developing embryo
- AMango
- BPeaCorrect
- CCoconut
- DCastor
3
Endosperm type in which first division of primary endosperm nucleus and few subsequent division are not accompanied by wall formation is called
- AFree nuclear typeCorrect
- BMicropylar type
- CCellular type
- DHelobial type
4
Number of nuclei participating in double fertilisation is
- A2
- B3
- C4
- D5Correct
5
One out of two male gametes fuses with two polar nuclei to produce PEN, which is abbreviation of
- APrimitive embryo nucellus
- BPrimary endosperm nucleusCorrect
- CPrinciple endosperm nucleus
- DPrimary embryo nucleus
6
Horse shoe shaped embryo sac is present in which type of ovule
- ACircinotropous ovule
- BAmphitropous ovuleCorrect
- CHemitropous ovule
- DAmphitropous ovule
7
The cotyledon of maize grain is technically called as
- AFunicle
- BScutellumCorrect
- CDicots
- DTesta
8
The endosperm in angiospermic plants develops from
- APolar nucleus
- BSecondary nucleusCorrect
- CAntipodal cells
- DZygote
9
The fusion of male gamete with an egg in the embryo sac is called
- AAutogamy
- BSyngamyCorrect
- CTriple fusion
- DDouble fertilization
10
The portion of embryonic axis of monocots above the level of attachment of scutellum is called as
- AHypocotyle
- BEpicotyle
- CColeorhiza
- DColeoptileCorrect