In This Post we are  providing Chapter-7 Structural Organization in Animals NCERT MCQ for Class 11 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS  can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.

NCERT MCQ ON STRUCTURAL ORGANIZATION IN ANIMALS

Question 1.
Blood corpuscles are formed in the
(a) Haversian canal
(b) endosteum
(c) red bone marrow
(d) pancreas

Answer: (c) red bone marrow

Question 2.
Which of the following is absent in female frog?
(a) Webbed feet
(b) Copulatory pads
(c) Tympanum
(d) All are present

Answer: (b) Copulatory pads
Explanation:
Copulatory pads are absent in female frog.
These are present on the first digit of the fore limbs.

Question 3.
Osteoblasts are found in
(a) blood
(b) muscle
(c) bone
(d) catrilage

Answer: (c) bone

Question 4.
Choose the incorrect statement.
(a) Vascular system of frog is closed type.
(b) Frogs have 4-chambered heart.
(c) During aestivation and hibernation, skin acts as respiratory organ.
(d) All the statements are correct.

Answer: (b) Frogs have 4-chambered heart.
Explanation:
Vascular system of frogs is closed and they have 3-chambered heart.

Question 5.
Which one of the four parts mentioned below is not part of a single uriniferous tubule ?
(a) Bowman capsule
(b) Loop of Henle
(c) Distal convoluted tubule
(d) Collecting ducts

Answer: (d) Collecting ducts

Question 6.
Ciliated epithelium is present in
(a) fallopian tubes
(b) blood vessels
(c) mid brain
(d) none of the above

Answer: (a) fallopian tubes
Explanation:
Ciliated epithelium is present in inner surface of hollow organs like bronchioles ando fallopian tubes.

Question 7.
The vascular tissue of blood is made up of
(a) RBC
(b) plasma
(c) platelets
(d) all of the above

Answer: (d) all of the above

Question 8.
Which membrane protects the eyes of frog in water?
(a) Tympanum
(b) Skin
(c) Sebaceous
(d) Nictitating

Answer: (d) Nictitating
Explanation:
Frogs have nictitating membrane which protect their eyes in water.

Question 9.
Fats are richly found in
(a) alveolar tissue
(b) lymph glands
(c) adipose tissue
(d) liver cells

Answer: (c) adipose tissue

Question 10.
The main function of the skin of frog is
(a) the exchange of respiratory gases
(b) the storage of fat
(c) the storage of energy
(d) to convert light vitamin D

Answer: (a) the exchange of respiratory gases

Question 11.
The ciliated epithelium in our body may be found in
(a) trachea
(b) ureter
(c) bile duct
(d) intestines

Answer: (a) trachea

Question 12.
Which one of the following is a scent gland of mammals?
(a) Bartholin
(b) Anal
(c) Prostate
(d) Adrenal

Answer: (b) Anal

Question 13.
The characteristic of simple epithelium is that
(a) the cells are loosely placed
(b) they are single – layered in thickness
(c) cells are tightly packed with no intercellular spaces
(d) cells are generally ciliated

Answer: (b) they are single – layered in thickness

Question 14.
Spot the salivary gland in the following :
(a) sublingual
(b) adrenal
(c) Brunner
(d) lacrimal

Answer: (a) sublingual

Question 15.
Protein not found in the connective tissues is
(a) actin
(b) Ossetin
(c) collagen
(d) elastin

Answer: (a) actin

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