Biology 2nd Paper MCQ-Jessore Board-2021

1. Which one is the excretory Organ of Grasshopper?

2. Farhan and Mahi collected some snails and starfishes when they visited sea-shore.

What is the phylum belong to the second type of animal, collected by Farhan and Mahi?

3. What are the applicable for chamber 'Q'?

i. Connected with aorta

ii. Connected with pulmonary vein

ii. Tricuspic valve is present Which one is correct?

4. What are the characteristics of waives?

i. Warm blooded

ii. Body covered with feather

ii. Spongy bones

Which one is correct?

5. In which phylum 'flame cell is found'?