The arrangement of _____speaks of the division of labour within cell?

1. 1. Subatomic particles
   2. Molecule
   3. Organelles
   4. Atoms

Amount of water required to excrete 1gN of Urea is_____.

1. 1. 50 ml
   2. 1 ml
   3. 100 ml
   4. 150 ml

Which of the following allows precise muscular movements?

1. 1. Cerebrum
   2. Thalamus
   3. Hypothalamus
   4. Cerebellum

The skull contains?

1. 1. 18 bones
   2. 22 bones
   3. 24 bones
   4. 26 bones

Smallest disease causing agents in plants are ?

1. 1. viroids
   2. mycoplasma
   3. prions
   4. virion

Which of the following is a compensation point _____.

1. 1. Rate of photosynthesis increases, so do the O2 production, with a net release of oxygen coupled with the uptake of CO2
   2. Leaves respire and utilize O2 and release CO2
   3. Rate of respiration becomes more than rate of photosynthesis
   4. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants

Of the following, which one has more variety of nutrition_____.

1. 1. Fungi
   2. Animals
   3. Plants
   4. Bacteria

Which of the following structure primarily helps in attachment of bacteria on various surfaces_____.

1. 1. Pili
   2. Flagella
   3. Both A & B
   4. All of these

The monosaccharide found in some bacteria and occurring rarely are_____.

1. 1. Hexoses
   2. Trioses
   3. Pentoses
   4. Tetroses

In Cx(H2O)y x ranges from_____.

1. 1. 3 to many thousand
   2. 1 to 4 thousand
   3. 3 to 6 thousand
   4. 5 to 9 thousand