BT402 MICROBIAL BIOTECHNOLOGY

TOPIC#17: IMPORTANCE OF MICROBES

 76. Why plants need nitrates.

1. They need nitrates to make oxygen.
2. They need nitrates to make phosphorus.
3. They need nitrates to make amino acids.
4. All of the given.

77. Pea and bean plants use _________ bacteria which directly convert nitrogen into amino acids.

1. Bacillus.
2. Coccus.
3. Anthrax bacillus.
4. Rhizobium.

 78. Pea and ____________plants use bacteria rhizobium which directly convert nitrogen into amino acids.

1. Flower.
2. Bean.
3. Mango.
4. apple.

 79. Bacteria are used in the production of.

1. Milk.
2. Yogurt.
3. Vinegar.
4. All of the given.

80. Which bacteria is used for the production of .

1. Yeast.
2. E.coli
3. Bacillus.
4. None of them.

 81. __________gas bubbles in the dough causes it to rise.

1. Nitrogen.
2. Carbon dioxide.
3. Oxygen.
4. Hydrogen.

TOPIC#18: MICROBES AND BIOTECHNOLOGY

82. Microbial biotechnology is an important area that promotes for advances in.

1. Food safety.
2. Food sequrity.
3. Human nutrition.
4. All of the given.

 83. These organisms live in , _________, ­­­­­_________, ___________and other environments.

1. Soil.
2. Animal intestines.
3. Food.
4. All of the given.

84. Some soil microbes release _________that plants need for growth and emit gases.

1. Nitrogen .
2. Oxygen.
3. Ammonia.
4. Hydrogen.

85. In our bodies different microbes help to.

1. Digest food.
2. Ward of invasive organisms.
3. Engage in skirmishes.
4. All of the given.