Home
Class 12
BIOLOGY
Read the following statements(A-D) 1. ...

Read the following statements(A-D)
1. Hypothalamus controls body temperature,eating and drinking
2.The midbrain receives and integrates visual,tactile and auditory inputs
3.The medulla contains centres,which control respiration,cardiovascular reflexes and gastric secreations
4. The entire process of involuntary response to a peripherical nerve stimulation is called reflex action.
How many of the above statements are true?

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Read the following statements (A - D) (A) The medulla contains centres, which control respiration, cardiovascular reflexes and gastric secretions. (B) The mid brain receives and integrates visual tactile and auditory inputs. (C) The neural system coordinates and integrates functions metabolic and homeostatic activities of all the organs. (D) A very important part of the forebrain called medulla oblongata controls eating and drinking How many of the above statements are false:

Read the following four statements (A–D) :- (A) The electrical potential difference across the resting plasma membrane is called as the resting potential (B) Na+ – K+ pump transports 3Na+ outwards for 2K+ into the cell passively (C) During excited state the outer surface of the membrane becomes positively charged (D) Action potential is infact termed as nerve impulse How many of the above statements are false?

Following is the figure of a saggital section of a human brain.Match the labelled parts with the respective statements given below and select the correct option. (i)Consists of fibre tracts that interconnect left and right hemispheres (ii)Secretes a hormone melatonin (iii)Alcohol interferes with the function of this part (iv)Contains centres which control respiration , cardiovascular reflexes and gastric secretions.

Read the following statements about the human nervous system : (i) A multipolar neuron is with one axon and two or more dendrites , found in the cerebral cortex. (ii) in resting condition, the sodium-potassium pump transports 3 Na^(+) inwards and 2K^(+) outwards the cell. (iii) Midbrain and hindbrain form the brain stem including the cerebellum. (iv) the pons of the hindbrain is directly connected to the spinal cord to control respiration. How many statement/s from above is/are incorrect ?

Read the following statements carefully : (i) Urge for eating and drinking as well as body temperature is controlled by the hypothalamus. (ii) The limbic system along with hypothalamus involved in the regulation of sexual behavior, expression of emotions , and excitement. (iii) The presence of four round swellings called corpora quadrigemina on the ventral portion of the midbrain is the characteristics feature of the human brain. (iv) Cerebellum has a very convoluted surface in order to provide additional space for many neurons. How many statements from the above is/are correct ?

Read the following statements (A - D) : 1. Catecholamines secreted from adrenal medulla stimulate breakdown of glycogen resulting in an increased concentration of glucose in blood. 2. Cortisol is also involved in maintaining the cardio -vascular syem as well as kidney functions. 3. Hormone released from zona fasciculate produce anti-inflammatroy reactions and suppresses the immune response. 4. Androgenic steroids secreted by adrenal cortex play a role in growth of axial hair, pubic hair and facial hair during puberty. How many of the above statements are ture?

Which of the following statements are true (A) The entire process of involuntary response to a peripheral nervous stimulation is called reflex action. (B)Information regarding changes in the environment is received by the CNS through the sensory organs which are processed and analysed. (C) Reflex action occurs without conscious effort (D) Reflex action requires the involvement of a part of the CNS (E) Signals from sensory organs goes to spinal cord via ventral root. Choose the correct options from given below:-

Which of the following statement are CORRECT? I. Renin is a proteolytic enzyme found in gastric juice of infants which helps in the digestion of milk proteins. II. No significant digestive activity occurs in the large intestine. III. The egestion of faeces to the outside through the anal opening ( defecation ) is a voluntary process and is carried out by a mass peristaltic movement. IV. Ejection of stomach contents through the mouth is a reflex action controlled by the vomiting center in the medulla. (a) I, II and IV (b) II, III and IV (c) III and IV (d) II and III

Which of the following statements about he female reproductive system are true (+) or false (-)? 1. Both FSH and LH are necessary for ovulation to take place. 2. Oestrogen tends to inhibit the production of FSH by the anterior pituitary gland. 3. Fertilization of the ovum by the spermatozoa normally takes place in the uterus. 4. Progesterone production is largely under the control of LH 5. Throughout the part of the menstrual cycle that follows ovulation, there is a slight rise in body temperature.