Home
Class 12
BIOLOGY
Cardiac activity could be moderated by t...

Cardiac activity could be moderated by the autonomous neural system. Tick the correct answer

A

The parasympathetic system stimulates heart rate and stroke volume

B

The sympathetic system stimulates heart rate and stroke volume

C

The parasympathetic system decreas-es the heart rate but increase stroke volume

D

The sympathetic system decreases the heart rate but increase stroke volume

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • NCERT Exemplar Questions +1 (BIOMOLECULES )

    TRUEMAN BIOLOGY|Exercise MCQs|14 Videos

  • NCERT Exemplar Questions +1 (BREATHING AND EXCHANGE OF GASES)

    TRUEMAN BIOLOGY|Exercise MCQs|15 Videos

Similar Questions

Explore conceptually related problems

Many pulses of daily use belong to one of the families below (tick the correct answer)

In a multiple choice question, there are four alternative answers of which one or more than one is correct A candidate will get marks on the question only if he ticks the correct answer. The candidate decides to tick answers at a random. If he is allowed up to three chances to answer the question, then find the probability that he will get marks on it.

Fight or flight activation of the autonomic nervous system causes which of the following to occur ?

A student answers a multiple choice question with 5 alternatives, of which exactly one is correct. The probability that he knows the correct answer is p, 0 lt p lt 1 . If he does not know the correct answer, he randomly ticks one answer. Given that he has answered the question correctly, the probability that he did not tick the answer randomly, is

Answer the following : (a) Which part of the ear determines the pitch of a sound ? (b) Which part of the human brain is the most developed ? (c ) Which part of our central neural system acts as a master clock ?

In the following questions a statement of Assertin (A) followed by a statement of Reason (R) is give. Choose the correct answer out of the following choices. Assertion (A): All naturally occurring alpha -amino acids except glycine are optically active Reason (R): Most naturally occuring amino acids have L-configuration.

Match the excretory functions of Section I with the parts of the excretory system in Section II. Choose the correct combination from among the answers given

Which of the following components are associated with nitrate reductase activity? 1. Reduced pyridine nucleotide 2. Flavin adenine dinucleotide 3. Molybdenum 4. Boron Select the correct answer using the codes given below

Find the correct answers : For germination of angiospermic seeds 1 On hydration the seed germinates showing increased enzyme activity 2 Respiration rate of germinating seeds increases alongwith increased enzymatic acitivit 3 Increase in respiratory rate continues till senescence 4 Rate of enzymatic activity increasese