Question

Gemmules in sponges are helpful in
a. Digestion
b. Sexual Reproduction
c. Asexual Reproduction
d. Water Current Relation

Answer 1

Hint: Gemmules is a special body that is consists of asexual reproduction. It is an asexually reproduced mass of cells that has the ability of developing into a new organism that is an adult sponge. Gemmules are resistant to desiccation that is drying out, freezing, along with anoxia that is lack of oxygen and permits sponges to survive in harsh conditions.

Complete answer:
> Option A: Digestion
Digestion is the process of breakdown of large insoluble food molecules into tiny water-soluble food molecules. This is to absorb food into the watery blood plasma. In some specific organisms, these smaller substances or food molecules are absorbed through the small intestine and further into the bloodstream.

> Option B: Sexual Reproduction
Sexual reproduction is a type of reproduction that consist of a complex life cycle in which a gamete such as a sperm or egg cell along with a single set of chromosomes that is haploid combines with another to produce an organism which is composed of cells with two sets of chromosomes also known as diploid.

> Option C: Asexual Reproduction
Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes. The offspring in this process are formed by asexual reproduction that is a single cell or from a multicellular organism inherit the genes of that parents.

> Option D: Water Current Relation
Water Tides contribute to coastal currents that move for a short distance. The Major surface ocean or water currents in the open ocean, are set in motion by the wind, which drags them on the surface of the water as it blows. Due to this water starts flowing in the same direction as the wind forming Water currents.

Hence, the correct answer is option (C).

Note: The internal buds, which are formed by the freshwater sponges are known as gemmules. These gemmules are tough as well as coated with a dormant cluster of embryonic cells.