In which of the following location enzymes controlling cellular respiration are present_____.

1. 1. Milochondria
   2. Nucleus
   3. Chlorophast
   4. Ribosome

What is the characteristic feature of consumers?

1. 1. Autotroph
   2. Parasite
   3. Saprophyte
   4. Heterotroph

Complex specialized flagellates living symbiotically in the gut of termites are_____.

1. 1. Trypanosoma
   2. Euglena
   3. Trichonymphas
   4. Radiolarians

Stomata open due to _____of K+ into the guard cells from the surrounding epidermis.

1. 1. Active transport
   2. Diffusion
   3. Osmosis
   4. All of these

Inhibitors which block the enzyme by forming weak bond are called_____.

1. 1. Competitive inhibitors.
   2. Non-competitive inhibitors
   3. Both a and b
   4. Irreversible inhibitors.

QRS complex represents_____.

1. 1. Atrial systole
   2. Atrial diastole
   3. Ventricular systole
   4. Ventricular diastole

_____respiration is directly involved in the production of energy, necessary for all living activities?

1. 1. Cellular
   2. Organismic
   3. Both a and b
   4. None of these

Term the time during which an orgnism is present in the body before causing disease?

1. 1. Rest period
   2. Sleeping period
   3. Incubation time
   4. Incubation period

Which one of the following stage preceeds mitosis during cell cycle?

1. 1. G2 phase
   2. G1 phase
   3. S phase
   4. M phase

Ribosomes are assembled in_____.

1. 1. Nucleus
   2. Nucleolus
   3. DNA
   4. RNA