The one which is present in all aerobic species is _____.

1. 1. Cytochrome a
   2. Cytohrome c
   3. Cytochrome a3
   4. Cytochrome b

The small intestine has three parts. The first part is called_____.

1. 1. Oesophagus
   2. Duodenum
   3. Larynx
   4. All of these

Outside the thallus of Marchantia there are special structures called_____.

1. 1. rhizoids
   2. stem tuber
   3. sporangium
   4. All of these

Which one of the following toxic metals is extensively present in newspaper?

1. 1. Mg
   2. Cd
   3. Hg
   4. Pb

Which of the following bones are present in pectoral girdle?

1. 1. Scapula
   2. Clavicle
   3. Both of these
   4. All of these

Which of the following is missing in herbivores_____.

1. 1. Premolars
   2. Incisors
   3. Molars
   4. Canines

Germ theory of disease has________postulates?

1. 1. 3
   2. 4
   3. 5
   4. 6

Which statement is incorrect for pasteurization?

1. 1. It can be used to preserve vegetables and meat.
   2. It is used to preserve yogurt and milk
   3. It was developed by Louis Pasteur.
   4. It involves heating the substance at high temperature for just few se

Group of living organisms of the same species living in the same place at the same time is called_____.

1. 1. Community
   2. Ecosystem
   3. Biome
   4. Population

Excessive increase in temperature of medium causes the enzyme molecule to_____.

1. 1. Denatured
   2. Activate
   3. Unaffected
   4. All of these