NEET Biology Structural Organisation In Animals Question Bank

done Assertion and Reason Total Questions - 42

• question_answer1)
  Assertion : Total count of RBC comes out to be very low in polycythemia. Reason : Number of erythrocytes get reduced in the condition of polycythemia.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer2)
  Assertion : Haemoglobin is said to be a conjugated protein. Reason : It is composed of a protein called haem and a non-protein iron porphyrin complex called globin.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer3)
  Assertion : Serum can not be coagulated. Reason : Serum lacks the protein fibrinogen.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer4)
  Assertion : Chilling of blood decreases coagulation time. Reason : Cold depresses the action of coagulation promoting enzymes.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer5)
  Assertion : Thrombin is necessary to initiate blood coagulation. Reason : Thrombin helps in the formation of thromboplastins.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer6)
  Assertion : Muscle fibres are said to be contractile in nature. Reason : Cells of muscle tissues can shorten forcefully and again return to the relaxed state.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer7)
  Assertion : Blood can be coagulated by adding oxalate (Sodium or Potassium Oxalate) to it. Reason : Oxalate depresses the action of anticoagulant present in the blood.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer8)
  Assertion : Muscle cells are also called myofibrils. Reason : Muscle cells are very thin and elongated.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer9)
  Assertion : Thigh muscles can get tired but not the muscles of ventricle of heart. Reason : Muscles of thigh are voluntary whereas that of heart are involuntary muscles.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer10)
  Assertion : Smooth muscle fibres do not appear to be striated. Reason : This is due to regular alternate arrangement of thick and thin filaments is smooth muscle fibre.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer11)
  Assertion : Non-striated muscles are said to be voluntary in nature. Reason : Non-striated muscles can be moved according to will.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer12)
  Assertion : Intercalated discs are important regions of cardiac muscle cells. Reason : Intercalated discs function as boosters for muscle contraction waves.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer13)
  Assertion : Presence of connective tissue inside the brain is essential for conduction of nerve impulse. Reason : Connective tissue hold together the nerve cells of brain.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer14)
  Assertion : Neurons are said to possess the property of excitability. Reason : Neurons can get excited by a given stimulus.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer15)
  Assertion : Non-myelinated nerve fibres do not possess nodes of Ranvier. Reason : This is due to the absence of nissl?s bodies in node of Ranvier.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer16)
  Assertion : Extracellular materials help in separation of cells. Reason : Cell junctions are formed by extra cellular materials.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer17)
  Assertion : Epithelial tissues protect the under lying and over lying tissues. Reason : Materials are exchanged at the surfaces across the epithelial tissues.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer18)
  Assertion : Materials cannot be exchanged between epithelial cells. Reason : Blood vessels are absent in epithelial tissue.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer19)
  Assertion : The cells of columnar epithelium in absorptive surfaces often bears microvilli on their free ends. Reason : Microvilli on their free ends.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer20)
  Assertion : Ciliated epithelium helps in movement of particles. Reason : Cilia help in movement.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer21)
  Assertion : Fibroblasts help in protection. Reason : Fibroblasts synthesize two kinds of protein which are protective in nature.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer22)
  Assertion : Pinna of ear is elastic in nature. Reason : Hyaline cartilage present in pinna.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer23)
  Assertion : Lining of some hollow organs & cavities are moist. Reason : This is because of the mucus secreted by the connective tissue.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer24)
  Assertion : Extracellular materials are important for cells. Reason : Intercellular materials surround the cells & bind them together.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer25)
  Assertion : Simple epithelium covers surfaces exposed to mechanical or chemical abrasions. Reason : Protection of underlying tissues is the major function of simple epithelium.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer26)
  Assertion : Materials are exchanged between epithelial & connective tissue by diffusion. Reason : Blood vessels are absent in epithelial tissue.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer27)
  Assertion : Urinary bladder can considerably expand to accommodate urine. Reason : It is lined by stretchable squamous epithelium.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer28)
  Assertion : Exocrine glands are also known as ductless glands. Reason : Thyroid gland directly pour its secretion i.e. thyroxine, into the blood.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer29)
  Assertion : Columnar epithelium lining the intestinal mucosa appears to have a brush like appearance.   Reason : A large number of microvilli are present on brush bordered columnar epithelium.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer30)
  Assertion : Ciliated epithelium is present in the inner lining of trachea & large bronchi. Reason : Ciliary movements propel the mucus & foreign particles towards the larynx.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer31)
  Assertion : Mast cells help in body defence. Reason : Mast cells phagocytose & destroy microbes.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer32)
  Assertion : Surface of skin is impervious to water. Reason : Surface of skin is covered by stratified cuboidal epithelium.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer33)
  Assertion : Tendon is present in all bone joints. Reason : Tendon connects the bones at the joints & hold them in position.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer34)
  Assertion : Deposits of protein keratin are present in deeper layers of stratified keratinised squamous epithelium. Reason : Keratin makes this epithelium impervious to water.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer35)
  Assertion : Bones possess longitudinal canals called lacunae. Reason : Lacunae carry blood vessels & nerves to the bones.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer36)
  Assertion : Fat is the inability of a muscle to relax. Reason : It is due to lactic acid accumulation by repeated contraction. [AIIMS 1998]
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer37)
  Assertion : Cartilage (protein matrix) and bone (calcium matrix) are rigid connective tissue.   Reason : Blood is connective tissue in which plasma is the matrix. [AIIMS 2001]
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer38)
  Assertion : Specialization of cells is advantageous for the organism. Reason : It increase the operational efficiency of an organism. [AIIMS 2002]
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer39)
  Assertion : Histamine is related with allergic and inflammatory reactions. Reason : Histamine is a vasodilator.
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer40)
  Assertion : WBCs accumulate at site of wounds by diapedesis. Reason : It is squeezing of leucocytes from endothelium. [AIIMS 2002]
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer41)
  Assertion : The regulation of RBC production is accomplished by FSH. Reason : Erythropoietin, hormone circulates to red bone marrow where it increases stem cell mitosis and speed up development of RBCs. [AIIMS 2002]
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow

• question_answer42)
  Assertion : Mast cells in the human body release excessive amounts of inflammatory chemicals which cause allergic reactions. Reason : Allergens in the environment on reaching human body stimulate mast cells in certain individuals. [AIIMS 2003]
  A)
  If both the assertion and the reason are true and the reason is a correct explanation of the assertion done clear
  B)
  If both the assertion and reason are true but the reason is not a correct explanation of the assertion  done clear
  C)
  If the assertion is true but the reason is false done clear
  D)
  If both the assertion and reason are false done clear
  E)
  If the assertion is false but reason is true done clear
  View Solution play_arrow