Question

Answer in one word :-
1) Free living bacteria are __________
2) Molecular nitrogen fixing blue green algae are ___________
3) Hypertension, sleep disturbances are caused by _______________
4) Polluted water carrying disease are _____________
5) Production of large amount of mucous in _______________
__________ ⚜️ ___________​

Answer 1

$\huge\bf{Answer :}$

1. Free-living bacteria are Nostocs.

• Azotobacter and klebsiella are examples of free-living bacteria.

2. Molecular nitrogen-fixing blue-green algae are cyanobacteria.

• Cyanobacteria is a photosynthetic bacteria found in the aquatic region which helps in fixing blue-green algae.

3. Hypertension, sleep disturbances are caused by constriction of arterioles.

• High blood pressure is known as hypertension and it results in increased resistance blood flow that can rupture the artery and can cause internal bleeding.

4. Polluted water carrying disease are cholera and typhoid.

• Polluted water diseases can be avoided by drinking safe water and by using boiled water.

5. Production of large amount of mucous in flu.

• Mucus - Mucus is a fluid that is produced by many linning tissues. It is present in the mouth, sinuses, throat, lungs, stomach (tummy), and intestines.

Answer 2

Answer:

1). nostocs 2). cyanobacteria 3). construction of arterioles 4). chlorea and typhoid 5). flu ,muscus