Biology 1st Paper CQ-Cumilla Board-2017
প্রশ্ন ৮·সময় ১ ঘণ্টা
1. In 2010, stem and leaf of potato of northern region of Bangladesh are affected by special type of fungus. As a result, there is a great loss of crops. Children of the densely populated area are more affected by another type of fungus.
CB 17
ব্যাখ্যা আনলক করতে চর্চা প্রিমিয়াম এ আপগ্রেড করো
4. When students were examining the cells of onion root under microscope, they saw that the daughter chromosomes were like ' ', ' ', ' ', 'I'. The teacher said, there is another cell division which is occurred in reproductive mother cell.
CB 17
ব্যাখ্যা আনলক করতে চর্চা প্রিমিয়াম এ আপগ্রেড করো
