Which of the following types of epithelium lines the walls of blood vessels ?
| 1. | Ciliated epithelium | 2. | Squamous epithelium |
| 3. | Cuboidal epithelium | 4. | Columnar epithelium |
Select the correct sequence of events occurring during prophase-I of meiosis-I
| (a) | Nuclear envelope breakdown |
| (b) | Synaptonemal complex formation |
| (c) | Compaction of chromosomes |
| (d) | Terminalisation of chiasmata |
| (e) | Crossing over |
Choose the most appropriate answer from the options given below:
| 1. | (c) → (b) → (e) → (d) → (a) |
| 2. | (c) → (a) → (b) → (d) → (e) |
| 3. | (b) → (c) → (a) → (d) → (e) |
| 4. | (c) → (a) → (b) → (e) → (d) |
One of the strands of double stranded DNA has base composition as follows: 15% A, 15% T, 40%G and 30%C. What will be the percentage of these bases in the complementary strand ?
1. 15% A, 15% T, 30% G , 40% C
2. 15% A, 30% T, 40% G , 15% C
3. 15% A, 15% T, 40% G , 30% C
4. 15% A, 40% T, 15% G , 30% C
Inadequate supply of oxygen to heart muscles leads to a symptom of acute chest pain. This disorder of the circulatory system is identified as:
| 1. | Angina pectoris | 2. | Cardiac arrest |
| 3. | Heart failure | 4. | Coronary Heart Disease |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | With the help of several ommatidia, a cockroach can perceive several images of an object, i.e., mosaic vision. |
| Reason (R): | Mosaic vision gives more sensitivity but less resolution. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Given below are two statements:
| Statements I: | Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature |
| Statements II: | Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Statement I is correct but Statement II is incorrect |
| 2. | Statement I is incorrect but Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Which one of the following is not an Assisted Reproductive Technology (ART) used by childless couples to have children?
| 1. | ZIFT | 2. | IUD |
| 3. | IVF | 4. | IUT |
Immuno-suppressants are administered to burn-patients or during organ transplantation to suppress:
| 1. | Innate immunity | 2. | Cytokine storm |
| 3. | Humoral immunity | 4. | Cell-mediated immunity |
Ear wax secreting cells have which type of epithelium?
1. Columnar epithelium
2. Exocrine glandular epithelium
3. Compound epithelium
4. Endocrine glandular epithelium
Arrange the following male sex accessory ducts in the correct sequence for the transport of sperms from the tests
| (a) Epididymis | (b) Ejaculatory duct |
| (c) Vasa efferentia | |
| (d) Rete testis | (e) Vas deferens |
Choose the most appropriate answer from the options given below:
| 1. | (d) , (a) , (c) , (e) , (b) | 2. | (d) , (c) , (e) , (a) , (b) |
| 3. | (d) , (c) , (a) , (e) , (b) | 4. | (d) , (e) , (a) , (c) , (b) |
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