Which are the special proteins in muscles that contract and relax to cause movement?

 

Which of the following relation is true regarding the amounts of genetic material contributed by the father and mother to the child?

Sycon (Scypha), Spongilla (Fresh water sponge) and Euspongia (Bath sponge) are examples of which Phylum?

Which of the following is not among the 3 main classes of Algae?

In male reproductive system, the testes are situated outside the abdominal cavity within a pouch called __________.

Vocal chords in women are _______________ than vocal chords in men.

Which is the only one example of Mollusca Phylum?

In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called ____________.

Which of the following Phylum are also called flatworms?