Tadpoles can be made to grow in size and become adult by
1. | injecting thyroxine hormone |
2. | feeding the eggs of other frogs |
3. | injecting gonadotrophic hormones |
4. | providing them with suitable climatic conditions. |
1. | Presence of a boat shaped sternum on the 9th abdominal segment |
2. | Presence of caudal styles |
3. | Forewings with darker tegmina |
4. | Presence of anal cerci |
1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3. Assertion is true, but Reason is false
4. Both Assertion and Reason are false
Which type of tissue is correctly matched with its location?
Tissue | Location | |
1. | Areolar tissue | Tendons |
2. | Transitional epithelium | Tip of nose |
3. | Cuboidal epithelium | Lining of stomach |
4. | Smooth muscle | Wall of intestine |
Erythropoiesis starts in:
1. kidney
2. liver
3. spleen
4. red bone marrow
1. | the typhlosole greatly increases the effective absorption area of the digested food in the intestine |
2. | the S-shaped setae embedded in the integument are the defensive weapons used against the enemies |
3. | it has a long dorsal tubular heart |
4. | fertilization of eggs occurs inside the body |
Which of the following is not a characteristic of Periplaneta americana?
1. Uricotelism
2. Mosaic vision
3. Dioecious
4. Holometabolous development
Which of the following correctly describes the location of some body parts in the earthworm Pheretima?
1. | Two pairs of accessory glands in 16-18 segments |
2. | Four pairs of spermathecae in 4-7 segments |
3. | One pair of ovaries attached at intersegmental septum of 14th and 15th segments |
4. | Two pairs of tests in 10th and 11th segments |
Which one of the following is the correct pairing of a body part and the kind of muscle tissue that moves it?
1. | Heart wall- Involuntary unstriated muscle |
2. | Biceps of the upper arm- Smooth muscle fibers |
3. | Abdominal wall- Smooth muscle |
4. | Iris- Involuntary smooth muscle |