
Read the statements regarding frog. Which of the statements is/are correct and incorrect?
(i) The medulla oblongata passes out through the foramen of Monro and continues into the spinal cord.
(ii) Vasa efferentia is 10-12 in number that arises from testes.
(iii) Ovaries have no functional connection with kidneys.
(iv) Frogs are uricotelic.


Important Questions on Structural Organisation in Animals

Refer to the given figures showing two types of glands.
Which of the following statements regarding these glands is not correct?

Enzyme collagenase breaks the peptide bonds present in collagen protein. Excessive secretion of this enzyme will lead to weakening of which of the following body parts?
(i) Tendons
(ii) Bones
(iii) Hair shafts
(iv) Nails and claws
(v) Intervertebral discs

Refer to the given figure showing reproductive system of female cockroach.
Identify the parts labelled as and and select the correct statement regarding these.

Each thoracic segment of Periplaneta americana is enclosed by four ________ skeletal sclerites: a dorsal________, a ventral______, and two lateral _____ . The _________ of the prothorax is also called pronotum, which covers the neck and a part of the head.
Complete the above paragraph by selecting the correct sequence of words.



Match the following and choose the correct option.
A. | Adipose tissue | (i) | Nose |
B. | Stratified epithelium | (ii) | Blood |
C. | Hyaline cartilage | (iii) | Skin |
D. | Fluid connective tissue | (iv) | Fat storage |
