1. Secretion of skeletal materials
2. Control of pores by contraction
3. Transport of food to the epidermal cells
4. Participation in reproduction
Control of pores by contraction
1. Both (A) and (R) are true and the (R) is the correct explanation of the (A)
2. Both (A) and (R) are true but the (R) is not correct explanation of the (A)
3. (A) is true statement but (R) is false
4. Both (A) and (R) are false
(A) is true statement but (R) is false
1. Asexual reproduction by gemmules
2. Asexual reproduction by budding
3. Internal fertilization
4. Gamete production by epidermal cells.
Gamete production by epidermal cells.
1. a only
2. b only
3. c only
4. a and b only
5. b and c only
a only
1. Intracellular
2. Intercellular
3. Both (A) and(B)
4. None of above.
Intracellular
1. Pinacocytes
2. Amoebocytes
3. Choanocytes
4. Scleroblasts.
Choanocytes
1. Chromatids separate but remain in the centre of the cell in anaphase
2. Chromatids start moving towards opposite poles in telophase
3. Golgi complex and endoplasmic reticulum are still visible at the end of prophase
4. Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase
Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase
1. incurrent canal
2. paragastric
3. excurrent canal
4. radial canal
paragastric
1. Sessile, colonial and marine
2. Sessile, solitary and marine
3. Sessile, colonial and freshwater
4. Sessile, solitary and marine.
Sessile, colonial and marine
1. Sycon
2. Hyalonema
3. Euspongia
4. Leucosolenia
Hyalonema