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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 5101. |
Total number of muscles in human body are |
| A. | 539 |
| B. | 235 |
| C. | 639 |
| D. | 452 |
| Answer» D. 452 | |
| 5102. |
Refractory period of a muscle fibre in mammals is |
| A. | 0.8001 seconds |
| B. | 0.002 seconds |
| C. | 0.004 seconds |
| D. | 0.005 seconds |
| Answer» C. 0.004 seconds | |
| 5103. |
Sarcoplasm is the |
| A. | Cytoplasm of nerve fibres |
| B. | Cytoplasm of muscle fibres |
| C. | Unit of muscle contraction |
| D. | None of the above |
| Answer» C. Unit of muscle contraction | |
| 5104. |
Smooth muscle fibre differ from striated muscle fibre in external covering by |
| A. | Presence of sarcolemma |
| B. | Presence of plasma membrane |
| C. | Absence of covering |
| D. | None of the above |
| Answer» C. Absence of covering | |
| 5105. |
Involuntary muscles are |
| A. | Under the control of will |
| B. | Not under the control of will |
| C. | Controlled by autonomic nervous system |
| D. | Both [b] and [c] |
| Answer» E. | |
| 5106. |
At \[0{}^\circ C\] and below it |
| A. | There is increase in muscle contraction |
| B. | There is decrease in muscle contraction |
| C. | There is loss of irritability in a muscle |
| D. | Coagulation of muscle proteins take place |
| Answer» D. Coagulation of muscle proteins take place | |
| 5107. |
Chronaxie is |
| A. | Abnormal muscle contractions |
| B. | Minimum time required to bring about excitation of muscle fibres |
| C. | Maximum time required to bring about excitation of muscle fibres |
| D. | None of the above |
| Answer» C. Maximum time required to bring about excitation of muscle fibres | |
| 5108. |
Smooth muscles are not [BHU 1985] |
| A. | Spindle shaped |
| B. | Under control of autonomic nervous system |
| C. | Very simple in structure |
| D. | Multinucleated |
| Answer» E. | |
| 5109. |
Function of ATP in muscle fibres is |
| A. | It acts as an enzyme |
| B. | It keeps the muscle supple and extensible |
| C. | It is essential for subsequent contraction of rigid muscles by providing energy |
| D. | [b] and [c] both |
| Answer» E. | |
| 5110. |
'Oxygen debt' is amount of oxygen required for |
| A. | Muscle contraction |
| B. | Muscle relaxation |
| C. | Muscle recovery |
| D. | All the above |
| Answer» D. All the above | |
| 5111. |
Ciliary muscles are which [CPMT 1981] |
| A. | Move cilia of some protozoans |
| B. | Keep valves of heart intact |
| C. | Change of focal length of human eye and at joint of sclera and iris |
| D. | Cause erection of human hairs in cold and are situated in skin |
| Answer» D. Cause erection of human hairs in cold and are situated in skin | |
| 5112. |
Striated and voluntary muscle fibres are found in [CPMT 1972, 80, 82; MP PMT 1999] |
| A. | Lungs |
| B. | Leg muscles |
| C. | Gall bladder |
| D. | Blood vessels |
| Answer» C. Gall bladder | |
| 5113. |
The muscles involved in the movement of the arm are [CPMT 1971] |
| A. | Unstriped |
| B. | Striped |
| C. | Cardiac |
| D. | Alar |
| Answer» C. Cardiac | |
| 5114. |
Voluntary muscle is present in [CPMT 1972] |
| A. | Lung |
| B. | Liver |
| C. | Hind limb |
| D. | Heart |
| Answer» D. Heart | |
| 5115. |
Smooth muscle fibres are [JIPMER 1993] |
| A. | Cylindrical, unbranched, striated, multinucleate and voluntary |
| B. | Spindle-shaped, unbranched, non-striated, uninucleate and involuntary |
| C. | Cylindrical, unbranched, non-striated, multinucleate and involuntary |
| D. | Spindle-shaped, unbranched, striated, uninucleate and voluntary |
| Answer» C. Cylindrical, unbranched, non-striated, multinucleate and involuntary | |
| 5116. |
The most abundant tissue in the body is [DPMT 1993] |
| A. | Nervous |
| B. | Muscular |
| C. | Vascular |
| D. | Epithelial |
| Answer» C. Vascular | |
| 5117. |
Skeletal muscles show resemblance with visceral muscles in one aspect. It is in [JIPMER 1993] |
| A. | Shape of muscle fibres |
| B. | Number of nuclei in muscle fibres |
| C. | Presence of actin and myosin filaments |
| D. | Presence of light and dark band |
| Answer» D. Presence of light and dark band | |
| 5118. |
Which of the following muscle gets into fatigue very early |
| A. | Skeletal muscle |
| B. | Smooth muscle |
| C. | Cardiac muscle |
| D. | All the above |
| Answer» B. Smooth muscle | |
| 5119. |
The interval between the beginning of electrical response and peak of tension recorded is the [CMC Vellore 1993] |
| A. | Latent period |
| B. | Contraction time |
| C. | Relaxation time |
| D. | None of these |
| Answer» B. Contraction time | |
| 5120. |
The protein which maintains the muscular storage of oxygen is [CMC Vellore 1993] |
| A. | Myoglobin |
| B. | Actomyosin |
| C. | Myosin |
| D. | Haemoglobin |
| Answer» B. Actomyosin | |
| 5121. |
The single unit smooth muscles are |
| A. | Neurogenic |
| B. | Myogenic |
| C. | Cardiogenic |
| D. | None of these |
| Answer» C. Cardiogenic | |
| 5122. |
Motor unit is also called as |
| A. | Myone |
| B. | Sarcomere |
| C. | Both [a] and [b] |
| D. | None of these |
| Answer» B. Sarcomere | |
| 5123. |
Striped muscles have [CPMT 1981, 90] |
| A. | One nucleus |
| B. | Many nuclei |
| C. | Two nuclei |
| D. | No nuclei |
| Answer» C. Two nuclei | |
| 5124. |
Who propounded the "Sliding filament theory'' for muscles contraction |
| A. | Cori |
| B. | H.E. Huxley |
| C. | A.F. Huxley |
| D. | H.E. Huxley and A.F. Huxley |
| Answer» E. | |
| 5125. |
In the myofibrils of muscle fibre |
| A. | Myosin is found |
| B. | Actin is found |
| C. | ATP is found |
| D. | All of the above |
| Answer» E. | |
| 5126. |
Which of the following ion is necessary for the contraction of a muscles and nerve impulse transmission [CPMT 1995; RPMT 1995; BHU 2005] |
| A. | \[N{{a}^{+}}\] |
| B. | \[{{K}^{+}}\] |
| C. | \[C{{a}^{++}}\]and\[M{{g}^{++}}\]ions |
| D. | None of these |
| Answer» D. None of these | |
| 5127. |
In how much maximum period the stored blood should be transfused |
| A. | 7 days |
| B. | 10 days |
| C. | One month |
| D. | 15 days |
| Answer» D. 15 days | |
| 5128. |
The stored blood must be free from |
| A. | Impurities only |
| B. | Viruses only |
| C. | Infectious biotic potentialities |
| D. | Bacteria only |
| Answer» D. Bacteria only | |
| 5129. |
Which of the following substances, if introduced into the blood stream, world cause coagulation of blood at the site of its introduction [CBSE PMT 2005] |
| A. | Fibrinogen |
| B. | Prothrombin |
| C. | Heparin |
| D. | Thromboplastin |
| Answer» E. | |
| 5130. |
If the foetus is \[R{{h}^{+}}\]and mother is \[R{{h}^{-}}\] then [BVP 2004] |
| A. | Foetus will transmit antigen to mother blood |
| B. | Foetus will transmit antibody to mother blood |
| C. | Foetus is attacked by antibodies to mother blood |
| D. | Foetus is attacked by antigen to mother blood |
| Answer» B. Foetus will transmit antibody to mother blood | |
| 5131. |
Which one of the following is hereditary character of blood [AFMC 2003] |
| A. | Blood group |
| B. | Haem |
| C. | Nucleus |
| D. | None of the above |
| Answer» B. Haem | |
| 5132. |
Blood group 'O' has [Pb. PMT 2004] |
| A. | No antibodies |
| B. | No antigens |
| C. | ?A? or ?B? antibodies |
| D. | ?A? or ?B? antigens |
| Answer» C. ?A? or ?B? antibodies | |
| 5133. |
One of the following is not the types of blood groups or blood factors [KCET 2004] |
| A. | Lewis and Duffy |
| B. | Buffs and Kips |
| C. | ABO and Rh |
| D. | Rh and MN |
| Answer» C. ABO and Rh | |
| 5134. |
A man with blood group B marries a women with blood group A and their first child is having blood group B. What is the genotype of child [CPMT 2004] |
| A. | \[{{I}^{a}}{{I}^{b}}\] |
| B. | \[{{I}^{a}}{{I}^{o}}\] |
| C. | \[{{I}^{b}}{{I}^{o}}\] |
| D. | \[{{I}^{b}}{{I}^{b}}\] |
| Answer» D. \[{{I}^{b}}{{I}^{b}}\] | |
| 5135. |
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of them will you not use for the purpose. v[CBSE PMT 2004] |
| A. | Test tube containing heparin |
| B. | Test tube containing sodium oxalate |
| C. | Test tube containing calcium bicarbonate |
| D. | Chilled test tube |
| Answer» D. Chilled test tube | |
| 5136. |
At what temperature the blood is stored in bottles |
| A. | \[{{4}^{o}}C\] |
| B. | \[{{37}^{o}}C\] |
| C. | \[{{0}^{o}}C\] |
| D. | \[{{25}^{o}}C\] |
| Answer» B. \[{{37}^{o}}C\] | |
| 5137. |
In erythroblastosis foetalis, which factors of the mother pass through placenta into the foetus [JIPMER 2002] |
| A. | Rh antigens |
| B. | Rh antibodies |
| C. | ABO antibodies |
| D. | Agglutinins |
| Answer» C. ABO antibodies | |
| 5138. |
When dominant and recessive alleles express themselves together, it is called [CBSE PMT 2001] |
| A. | Dominance |
| B. | Co-dominance |
| C. | Amphidominance |
| D. | Pseudodominance |
| Answer» C. Amphidominance | |
| 5139. |
The problem due to \[R{{h}^{-}}\]factor arises when the blood two (\[R{{h}^{+}}\]and \[R{{h}^{-}}\]) mix up [CBSE PMT 1999] |
| A. | In a test tube |
| B. | Through transfusion |
| C. | During pregnancy |
| D. | (a) and (c) both |
| Answer» E. | |
| 5140. |
If one parent has blood group A and the other parent has blood group B, the offsprings have which blood group [CPMT 1991; DPMT 1992; MP PMT 1998] |
| A. | AB |
| B. | O |
| C. | BO |
| D. | A, B, AB, O |
| Answer» E. | |
| 5141. |
Who discovered Rh factor [MP PMT 1998] |
| A. | Huxley |
| B. | Landsteiner |
| C. | Landsteiner and Weiner |
| D. | Weiner |
| Answer» D. Weiner | |
| 5142. |
Rh factor is concerned with |
| A. | Blood groups |
| B. | Blood clotting |
| C. | Carbohydrate metabolism |
| D. | Eugenics |
| Answer» B. Blood clotting | |
| 5143. |
Which blood group can be given to patients of any blood group [J&K CET 2005] |
| A. | O |
| B. | A |
| C. | B |
| D. | AB |
| Answer» B. A | |
| 5144. |
A patient has type 'A' blood, he needs blood transfusion. Type 'A' blood is not available, which of the following blood types could be substituted without causing harm to the patient |
| A. | AB |
| B. | O |
| C. | B |
| D. | AB and O |
| Answer» C. B | |
| 5145. |
Even though a donor X and a recipient Y belongs to the same blood group, tranfusion of blood leads to aggulutination. This is because |
| A. | X is\[R{{h}^{+}}\]and Y is \[R{{h}^{-}}\] |
| B. | Haemoglobin of X and Y is different |
| C. | X is \[R{{h}^{-}}\] and Y is \[R{{h}^{-}}\] |
| D. | Both are \[R{{h}^{+}}\] |
| Answer» B. Haemoglobin of X and Y is different | |
| 5146. |
Which of the following is an inherited trait in man [MP PMT 1984] |
| A. | FSH |
| B. | LH |
| C. | TSH |
| D. | Rh |
| Answer» E. | |
| 5147. |
Detection of blood group is done by agglutinisation test using antiserum. According to this [KCET 1994] |
| A. | If the blood shows coagulation with antiserum B, the blood group is B |
| B. | If the blood shows coagulation with both antiserum A and B, the blood group is O |
| C. | If the blood shows coagulation with antiserum A, the blood group is AB |
| D. | None of these |
| Answer» B. If the blood shows coagulation with both antiserum A and B, the blood group is O | |
| 5148. |
A child of a mother with blood group A and a father with blood group AB may have any one of the following blood groups except [Manipal 1995; CPMT 2005; MH-CET 2005] |
| A. | A |
| B. | B |
| C. | AB |
| D. | O |
| Answer» E. | |
| 5149. |
The father has blood group AB and mother ?O'. The child is supposed to have which of the following blood groups [AFMC 1995] |
| A. | ?A' or ?B' |
| B. | ?A' only |
| C. | ?B' or ?O' |
| D. | B only |
| Answer» B. ?A' only | |
| 5150. |
Example of qualitative inheritance is [CPMT 1995] |
| A. | Colour of skin |
| B. | Colourblindness |
| C. | Klinefelter's syndrome |
| D. | Alkaptonuria |
| Answer» B. Colourblindness | |