Biology · Chapter 11 of 19

Nervous System & Sense Organs: BPSC & UPPCS Prelims PYQs

13 previous-year questions on Nervous System & Sense Organs. Each one opens to its answer and explanation.

1. 1. 70th BPSC Prelims 2024

   The Ishihara test is related with

   1. ABone density
   2. BIQ
   3. CColour blindness
   4. DHaemoglobin level
   Answer and explanation →

2. 2. 69th BPSC Prelims 2023

   Which of the following are not the tastes of the tongue?
   1. Sweet 2. Bitter 3. Salty 4. Spicy 5. Umami 6. Sour 7. Pungent Select the correct answer using the codes given below.

   1. A2, 5 and 7
   2. B1, 3 and 4
   3. C4 and 7
   4. D3 and 6
   Answer and explanation →

3. 3. 69th BPSC Prelims 2023

   Input and output nerves meet at

   1. Aliver
   2. Bcentral nervous system
   3. Cheart
   4. DNone of the above
   Answer and explanation →

4. 4. 66th BPSC Prelims 2020

   The sensitive area of the human tongue to bitterness is

   1. Atip
   2. Bmiddle part
   3. Cposterior part
   4. Dedge
   5. ENone of the above / More than one of the above
   Answer and explanation →

5. 5. UPPSC Prelims 2020

   Consider the following statements about human brain:
   1. The brain is responsible for regulating the heart beat.
   2. It Is responsible for balancing the body. Select the correct answer using the codes given below.

   1. AOnly 1 is correct
   2. BOnly 2 is correct
   3. C1 and 2 both are correct
   4. DNeither 1 nor 2 is correct
   Answer and explanation →

6. 6. 65th BPSC Prelims 2019

   Body temperature is regulated by -

   1. Amedulla
   2. Bthalamus
   3. Chypothalamus
   4. Dcerebellum
   5. ENone of the above / More than one of the above
   Answer and explanation →

7. 7. UPPSC Prelims 2017

   Which one of the following organs will not feel any pain on being pricked by a needle?

   1. ASkin
   2. BBrain
   3. CHeart
   4. DEye
   Answer and explanation →

8. 8. UPPSC Prelims 2017

   Which of the following has the largest brain in proportion to its body size?

   1. AAnt
   2. BElephant
   3. CDolphin
   4. DHuman Being
   Answer and explanation →

9. 9. UPPSC Prelims 2016

   The brain is responsible for

   1. Athinking
   2. Bregulating the heartbeat
   3. Cbalancing the body
   4. DAll of the three
   Answer and explanation →

10. 10. UPPSC Prelims 2015

    When doctor tells a person that he/she has been affected with tetraplegia, it means that he/she is suffering from paralysis of

    1. ARight hand only
    2. BLeft hand only
    3. CHis both legs only
    4. DBoth hands and both legs
    Answer and explanation →

11. 11. UPPSC Prelims 2014

    'Cerebral palsy' is a brain disorder found generally in

    1. AOld people
    2. BDrug addicts
    3. CSmall children
    4. DOnly ladies
    Answer and explanation →

12. 12. 45th BPSC Prelims 2001

    How many pairs of nerves arise from the spinal cord?

    1. A13
    2. B31
    3. C33
    4. D12
    Answer and explanation →

13. 13. 45th BPSC Prelims 2001

    Where is the governing centre of reflex action located?

    1. AIn cerebrum
    2. BIn cerebellum
    3. CIn spinal cord
    4. DIn nerve cells
    Answer and explanation →