Which of the following has no central nervous system?

Related Mcqs:

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

   A. Sensory neuron
   B. Motor neuron
   C. Associative neuron
   D. none of these.

2. Central nervous system of man consists of______________?

   A. Brain
   B. Spinal cord
   C. Both of these
   D. none of these

3. All of the following are similarities between nervous and endocrine system except:_____________?

   A. Produce chemical messengers
   B. Release chemical messengers in extracellular space
   C. Homestatic in function
   D. Having slow but prolonged effects

4. _____________ is a nervous disorder characterized by involuntary tremors, diminished motor power and rigidity?

   A. Epilepsy
   B. Meningitis
   C. Alzheimer’s disease
   D. Parkinson’s disease

5. Nervous system of nematods consists of?

   A. Ventral nerve cord
   B. Dorsal nerve cord
   C. Lateral nerve cord
   D. All of these

6. Which of the followings is missing from the nervous system of planaria_____________?

   A. Ganglia
   B. Longitudinal nerves
   C. Lateral nerves
   D. none of these

7. Which part of the nervous system controls the activities of internal organs________?

   A. Spinal cord
   B. Cerebrum
   C. Cerebellum
   D. Medulla Oblongata

   Submitted by: Malik Asghar Hussain

8. Chlorophyll molecule contrains __________ as central metal ion.

   A. Fe2+
   B. Mg2+
   C. Zn2+
   D. Cu2+

9. Chlorophyll is a naturally occurring chelate compound in which central metal is

   A. copper
   B. magnesium
   C. iron
   D. None of these

   Submitted by: IMRAN LAKHA 546

10. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

    A. Gibberellins
    B. Cytokinins
    C. Auxins
    D. Ethene.