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Structural Organization in Animals

270734 Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) Frogs exhibit sexual dimorphism.
(iv) Feet have webbed digits that help in swimming.
(v) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.

1 (i) and (v)

2 (v) only

3 (ii) and (iii)

4 (iv) only

NCERT Page-116 / N-83

Structural Organization in Animals

270735 Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous, buccopharyngeal and pulmonary respiration are found.
(ii) A pair of elongated pink coloured hollow sac like lungs are found in thorax.
(iii) During aestivation and hibernaton, gaseous exchange takes place through skin.
(iv) Frogs respire on land and in the water by a single method.

1 (i) and (ii) only

2 (i) and (iii) only

3 (ii) and (iii) only

4 (i), (ii) and (iii)

NCERT Page-117 & 118 / N-82

Structural Organization in Animals

270736 Following are given four statements (i)-(iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into forebrain, midbrain and hindbrain.
(ii) Vasa efferentia enter the kidneys on their side and open into Bidder's canal.
(iii) Ear acts as a hearing organ only.
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

1 (ii) and (iii)

2 (iii) and (iv)

3 (i) and (ii)

4 (i) and (iv)

NCERT Page-116

Structural Organization in Animals

270737 Read the statements regarding frog. Which of the statements is/are correct and incorrect?

(i) The medulla oblongata passes out through foramen of Monro and continues into spinal cord.
(ii) Vasa efferentia are 10-12 in number that arise from testes.
(iii) Ovaries have no functional connection with kidneys.
(iv) Frogs are uricotelic.

1 Statements (ii) and (iii) are correct while statements (i) and (iv) are incorrect.

2 Statements (i) and (ii) are correct while statements (iii) and (iv) are incorrect.

3 Statements (i), (ii) and (iii) are correct while statement (iv) is incorrect.

4 Statements (ii), (iii) and (iv) are correct while statement (i) is incorrect.

NCERT Page-118 & 119 / N-83

Structural Organization in Animals

270734 Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) Frogs exhibit sexual dimorphism.
(iv) Feet have webbed digits that help in swimming.
(v) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.

1 (i) and (v)

2 (v) only

3 (ii) and (iii)

4 (iv) only

NCERT Page-116 / N-83

Structural Organization in Animals

270735 Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous, buccopharyngeal and pulmonary respiration are found.
(ii) A pair of elongated pink coloured hollow sac like lungs are found in thorax.
(iii) During aestivation and hibernaton, gaseous exchange takes place through skin.
(iv) Frogs respire on land and in the water by a single method.

1 (i) and (ii) only

2 (i) and (iii) only

3 (ii) and (iii) only

4 (i), (ii) and (iii)

NCERT Page-117 & 118 / N-82

Structural Organization in Animals

270736 Following are given four statements (i)-(iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into forebrain, midbrain and hindbrain.
(ii) Vasa efferentia enter the kidneys on their side and open into Bidder's canal.
(iii) Ear acts as a hearing organ only.
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

1 (ii) and (iii)

2 (iii) and (iv)

3 (i) and (ii)

4 (i) and (iv)

NCERT Page-116

Structural Organization in Animals

270737 Read the statements regarding frog. Which of the statements is/are correct and incorrect?

(i) The medulla oblongata passes out through foramen of Monro and continues into spinal cord.
(ii) Vasa efferentia are 10-12 in number that arise from testes.
(iii) Ovaries have no functional connection with kidneys.
(iv) Frogs are uricotelic.

1 Statements (ii) and (iii) are correct while statements (i) and (iv) are incorrect.

2 Statements (i) and (ii) are correct while statements (iii) and (iv) are incorrect.

3 Statements (i), (ii) and (iii) are correct while statement (iv) is incorrect.

4 Statements (ii), (iii) and (iv) are correct while statement (i) is incorrect.

NCERT Page-118 & 119 / N-83

Structural Organization in Animals

270734 Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) Frogs exhibit sexual dimorphism.
(iv) Feet have webbed digits that help in swimming.
(v) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.

1 (i) and (v)

2 (v) only

3 (ii) and (iii)

4 (iv) only

NCERT Page-116 / N-83

Structural Organization in Animals

270735 Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous, buccopharyngeal and pulmonary respiration are found.
(ii) A pair of elongated pink coloured hollow sac like lungs are found in thorax.
(iii) During aestivation and hibernaton, gaseous exchange takes place through skin.
(iv) Frogs respire on land and in the water by a single method.

1 (i) and (ii) only

2 (i) and (iii) only

3 (ii) and (iii) only

4 (i), (ii) and (iii)

NCERT Page-117 & 118 / N-82

Structural Organization in Animals

270736 Following are given four statements (i)-(iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into forebrain, midbrain and hindbrain.
(ii) Vasa efferentia enter the kidneys on their side and open into Bidder's canal.
(iii) Ear acts as a hearing organ only.
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

1 (ii) and (iii)

2 (iii) and (iv)

3 (i) and (ii)

4 (i) and (iv)

NCERT Page-116

Structural Organization in Animals

270737 Read the statements regarding frog. Which of the statements is/are correct and incorrect?

(i) The medulla oblongata passes out through foramen of Monro and continues into spinal cord.
(ii) Vasa efferentia are 10-12 in number that arise from testes.
(iii) Ovaries have no functional connection with kidneys.
(iv) Frogs are uricotelic.

1 Statements (ii) and (iii) are correct while statements (i) and (iv) are incorrect.

2 Statements (i) and (ii) are correct while statements (iii) and (iv) are incorrect.

3 Statements (i), (ii) and (iii) are correct while statement (iv) is incorrect.

4 Statements (ii), (iii) and (iv) are correct while statement (i) is incorrect.

NCERT Page-118 & 119 / N-83

Structural Organization in Animals

270734 Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) Frogs exhibit sexual dimorphism.
(iv) Feet have webbed digits that help in swimming.
(v) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.

1 (i) and (v)

2 (v) only

3 (ii) and (iii)

4 (iv) only

NCERT Page-116 / N-83

Structural Organization in Animals

270735 Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous, buccopharyngeal and pulmonary respiration are found.
(ii) A pair of elongated pink coloured hollow sac like lungs are found in thorax.
(iii) During aestivation and hibernaton, gaseous exchange takes place through skin.
(iv) Frogs respire on land and in the water by a single method.

1 (i) and (ii) only

2 (i) and (iii) only

3 (ii) and (iii) only

4 (i), (ii) and (iii)

NCERT Page-117 & 118 / N-82

Structural Organization in Animals

270736 Following are given four statements (i)-(iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into forebrain, midbrain and hindbrain.
(ii) Vasa efferentia enter the kidneys on their side and open into Bidder's canal.
(iii) Ear acts as a hearing organ only.
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

1 (ii) and (iii)

2 (iii) and (iv)

3 (i) and (ii)

4 (i) and (iv)

NCERT Page-116

Structural Organization in Animals

270737 Read the statements regarding frog. Which of the statements is/are correct and incorrect?

(i) The medulla oblongata passes out through foramen of Monro and continues into spinal cord.
(ii) Vasa efferentia are 10-12 in number that arise from testes.
(iii) Ovaries have no functional connection with kidneys.
(iv) Frogs are uricotelic.

1 Statements (ii) and (iii) are correct while statements (i) and (iv) are incorrect.

2 Statements (i) and (ii) are correct while statements (iii) and (iv) are incorrect.

3 Statements (i), (ii) and (iii) are correct while statement (iv) is incorrect.

4 Statements (ii), (iii) and (iv) are correct while statement (i) is incorrect.

NCERT Page-118 & 119 / N-83

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