Which of the following statements is/are correct or incorrect regarding Class Amphibia?
(i) Body is divisible into head and trunk. Tail is present in some amphibians.
(ii) Show respiration by gills, lungs and through skin.
(iii) Has scales in all its members.
(iv) Can lead dual life (aquatic and terrestrial)
(v) Has eyelids.

Which of the following statements are correct or incorrect regarding class Amphibia ? (i) Has body divisible into head and trunk .Tail is present in some amphibians . (ii) Show resiration by gills , lungs and through skin . (iii) Has scales in all its members (iv) Can lead dual life (aquatic and terretrial ) Has eyelids

Which of the following statements are incorrect regarding a normal human ? (i) The skull is dicondlic. (ii) Metacarplas are are five in numbers. (iii) Patella is a cup-shaped bone covering and protecting the posterior articular surface of the knee joint. (iv) Scapula is a large triangular flat bone, situated on the ventral side of the thorax. (v) The pelvic girdle has two coxal bones.

Which of the following statements are incorrect regarding a normal human ? (i) The skull is dicondlic. (ii) Metacarplas are are five in numbers. (iii) Patella is a cup-shaped bone covering and protecting the posterior articular surface of the knee joint. (iv) Scapula is a large triangular flat bone, situated on the ventral side of the thorax. (v) The pelvic girdle has two coxal bones.

Which of the following statements are incorrect regarding a normal human ? (i) The skull is dicondlic. (ii) Metacarplas are are five in numbers. (iii) Patella is a cup-shaped bone covering and protecting the posterior articular surface of the knee joint. (iv) Scapula is a large triangular flat bone, situated on the ventral side of the thorax. (v) The pelvic girdle has two coxal bones.

Which of the following statements is/are not correct regarding connective tissues ? (i) They are most abundant and widely distributed in the body of complex animals (ii) They connect and support other tissues (iii) They include diverse tissues such as bones, cartilage, tendons, adipose and other loose connective tissues. (iv) They form the internal and external lining of many organs (v) In all connective tissues except blood, the cells secrete fibres of structural proteins like collagen and elastin.

Which of the following statements is/are not correct regarding connective tissues ? (i) They are most abundant and widely distributed in the body of complex animals (ii) They connect and support other tissues (iii) They include diverse tissues such as bones, cartilage, tendons, adipose and other loose connective tissues. (iv) They form the internal and external lining of many organs (v) In all connective tissues except blood, the cells secrete fibres of structural proteins like collagen and elastin.

Which of the following statements is not correct regarding biomagnification ? (i) Mercury accumulated by an organism cannot be metabolised. (ii) In the process of biomagnification, concentration of DDT is increased at successive trophic levels. (iii) Accumulation of cadmimu can cause thinning of egg shell in birds. (iv) DDT accumulation is a major cause of reduced population of fish eating birds. (v) Biomagnification occurs only in aquatic food chain.

Which of the following statements is not correct regarding biomagnification ? (i) Mercury accumulated by an organism cannot be metabolised. (ii) In the process of biomagnification, concentration of DDT is increased at successive trophic levels. (iii) Accumulation of cadmimu can cause thinning of egg shell in birds. (iv) DDT accumulation is a major cause of reduced population of fish eating birds. (v) Biomagnification occurs only in aquatic food chain.

Which of the following statement is/are incorrect about lymph ? (i) Lymph is colourful as it has haemoglobin but no RBC (ii) It contains specialised lymphocytes which are responsible for immunity of the body (iii) Lymph is an important carrier for nutrients and harmones (iv) Fats are absorbed through lymph in the lacteals present in the intestinal villi.