PAPER BIOLOGY CLASS 10TH (COORDINATION AND CONTROL)
TIME ALLOWED 1H, MARKS:30, MCQS, SHORT, LONG 2020
Which of the following bring about certain responses in living organisms
RECEPTORS
NEURONS
NEPHRONS
SOUNDWAVES
Which neuron contains one axon and many dendrites
MOTOR NEURON
INTERNEURON
SENSORY NEURONS
MOTOR ANS INTER NEURONS
A wave of electrochemical changes that travel along the length of neuron from the node(nodes of Ranvier) to the node is
SALTATORY NERVE IMPULSE
JUMPING NEURON
NERVE IMPULSE
NERVE
Which part of the brain connects the brain and spinal cord
HYPOTHALAMUS
THALAMUS
MEDULLA
MIDBRAIN
The------root of the spinal cord contain axons of ----neuron
DORSAL, SENSORY
DORSAL, MOTOR
VENTRAL , DORSAL
MOTOR, VENTRAL
During, fight and, flight, response iris ------- pupil
RELAXED
DILATE
DECREASE
CONSTRICT
Which structure bends to form a muscular ring
LENS
CORNEA
SCLERA
CHOROID
Shortness of eyeball is due to
HYPERMETROPIA
MYOPIA
COLOUR BLINDNESS
NIGHT BLINDNESS
What is the sequence of ossicles in the middle ear
INCUS, MALLEUS, STAPES
MALLEUS, INCUS, STAPES
SPATES, INCUS, MALLEUS
INCUS, STAPES, MALLEUS
Which one of the following is a hormone
THYROXINE
AMYLASE
LIPASE
TRYPSIN
SHORT QUESTIONS
Q#2 GiPONSve the short answer of the following. (8×2=16)
1) What is the brain stem?
2) What are the functions of the medulla oblongata
3) give four functions of hypothalamus?
4) write down two roles of the pons in hindbrain?
5) Which secondary characters develop in human male?
6) Define feedback mechanism with example
7) write two main functions of spinal cord
8) how the brain and spinal cords are protected
9. Write a comprehensive note on STH(SOMATOTROPHIN HORMONE) (4)
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