Euglena belongs to the kingdom_____.

1. 1. Protista
   2. Fungi
   3. Monera
   4. All of them

Life span of Red Blood Cells_____.

1. 1. 150 Days
   2. 80 Days
   3. 120 Days
   4. 100 Days

Which of the following transmits nerve impulse from receptors to central nervous system?

1. 1. Motor neuron
   2. Sensory neuron
   3. Associative neuron
   4. All of these.

Steps Involved in scientific method are?

1. 1. Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion
   2. Hypothesis –>Accumulated data –> observation & experimentation –> conclusion
   3. New data —> Conclusion —> Accumulated data —> Observation & experimentation
   4. Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion

A single heart beat involves _____stages.

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

Cytoplasmic strands that extend through pores in adjacent cell walls are known as_____.

1. 1. Pseudopods
   2. Symplasts
   3. Pili
   4. Plasmodesmata

Today the land habitat is dominated by_____.

1. 1. Tracheophytes
   2. Fungi
   3. Gymnosperms
   4. Angiosperms

The point at which there is no net exchange of gases between leaves and atmosphere is known as_____.

1. 1. Neutral point
   2. Parallel point
   3. Competitive point
   4. Compensation point

Carotenoids perform protective function in_____.

1. 1. Plants
   2. Animals
   3. Both of these
   4. All of these

At the induction of action potential opening of Na+ gate with influx of Na+ is a _____processes?

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