Q. No.Assertion (A): Hibernation during winter and aestivation during summer is seen in frogs.
Reason (R): Frogs are poikilotherms.
(1) Both A and R are true and R is the correct explanation for A.
(2) Both A and R are true both R is not the correct explanation for A.
(3) A is true and R is false.
(4) A is false and R is true.
Blood is different from other connective tissue because
| (i) | It is mesodermal in origin. |
| (ii) | Blood cells do not form the composition of blood plasma or matrix. |
| (iii) | It contains different kind of cells performing different function. |
| (iv) | It lack fibres. |
1. (i), (ii), (iii), (iv)
2. (ii), (iv) only
3. (iv) only
4. (ii) only
Areolar connective tissue contains
(i) Semi-fluid ground substance containing modified
polysaccharide.
(ii) Fibroblast cells.
(iii) Mast cells.
(iv) Macrophages.
1. (i), (ii), (iii), (iv)
2. (ii), (iii), (iv) only
3. (i), (ii) only
4. (i) only
Mark the incorrect statement regarding the Malpighian tubule in cockroach:
1. It is present at the junction of the midgut and hindgut.
2. It is lined by glandular and ciliated cells.
3. It absorbs uric acid from the hemolymph.
4. It is about 100-150 in number and is a thin yellow filamentous tubule.
Male reproductive system of cockroach consist of
| 1. | Testis, Vas-deferens, Ejaculatory duct, Seminal Vesicle and Mushroom-shaped gland. |
| 2. | Testis, Vas-deferens, Phallomere, Ejaculatory duct and Collateral gland. |
| 3. | Testis, Phallic gland, Vestibulum, Pseudopenis and Titillator. |
| 4. | Testis, Anal cercus, caudal style, Spermatheca and gonapophysis. |
Which of the following characteristics is not correct for squamous epithelium?
1. Made up of a single thin layer of flattened cells.
2. Cells with irregular boundaries.
3. Free surface contains microvilli.
4. Involved in a function like forming diffusion boundary.
Mark the incorrect statement regarding compound epithelium:
1. Made up of more than one layer of cells.
2. Vital role in secretion and absorption.
3. Provide protection against chemical and mechanical stress.
4. It covers the moist surface of the buccal cavity.
The excess of nutrients which are not used immediately are converted into fats and stored in
1. Areolar tissue
2. Adipose tissue
3. Dense regular connective tissue
4. Dense irregular connective tissue
Cartilage is present
| A. | In the tip of nose and middle ear joints |
| B. | Between adjacent bones of vertebral column |
| C. | Between adjacent bones of limbs and hands in adults |
1. A, B and C
2. A and B
3. B and C
4. A and C
Which of the following structures or substances is
incorrectly paired with a tissue ?
1. Haversian system—bone
2. platelets—blood
3. fibroblasts—skeletal muscle
4. chondroitin sulfate—cartilage
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