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দ্বিনিষেকের ফলে উৎপন্ন শস্য কী ধরনের হয়? (What type of endosperm is produced from double fertilization ?)

সঠিক উত্তর: ট্রিপ্লয়েড (Triploid)

Consider the following statements and choose the correct answer:
1. For the development of viable seeds the double fertilization is very necessary
2. The net result of double fertilization is the formation of endosperm from the triploid nucleus
3. In Angiosperms very free nuclear divisions take place as in Gymnosperms
4. The endosperm nucleus has both maternal and paternal characters showing physiological importance like hybrid vigour

Consider the following statements regarding Xenia and choose the correct answer:
1. If a white variety (yy) is pollinated with pollen from a yellow variety (YY), one of the male gametes (Y) will unite with the egg (y) to produce a hybrid embryo (Yy) which will act as a heterozygote for yellow endosperm in the next generation
2. The second male gamete (Y) will unite with the two polar nuclei (y, y) and produces the primary endosperm nucleus (Yyy) which is triploid
3. If a yellow endosperm variety (YY) is crossed with pollen from a white grained variety, the grains produced are white like the pollen parent

Endosperm of angiosperms is produced after fertilization ora male gamete with

অনেক কৃষক শস্য মাড়াই করার আগে শস্য কণা ঘরের ছাদে জমিয়ে রাখে । এর কারণ হলো -

In which of the following types of endosperm, the first nuclear division of the primary endosperm nucleus is followed by the formation of either a longitudinal or transverse wall in the central cell?

ডাবল ফার্টিলােইজশনের ফলে উৎপন্ন শস্য কোনটি?

In _______, the endosperm is a special tissue which is formed as a result of vegetative fertilization.

Which of the following plants produce endosperm following fertilization?

The tetraploid secondary nucleus after fertilization by a male gamete produces a pentaploid endosperm in which of the following plants?

Hotel Aditya has 10 single AC rooms, 5 double AC rooms and 18 non AC rooms. The fixed monthly rent of hotel is 150,000. The per day maintenance cost is Rs. 100 for double AC room, Rs. 75 for single AC room and Rs. 40 for non AC room. The per day charges are Rs. 600 for double AC room, Rs. 400 for single AC room and Rs. 250 for non AC room. In April 2003, the occupancy rate of non AC room was 50%, 70% of single AC room and 40% of double AC rooms. Find the profit/loss % for that particular month.