MCQs of Biology – Reproduction and Development

Sexual dimorphism is most distinct externally in:

Number of reproductive organs is fixed in:

Phallic organ in cockroach is related to :

Conglobate gland occurs in male reproductive organs of:

Phallic gland of cockroach mainly helps in:

Which of the following is found in a male cockroach?

A male cockroach has:

During copulation , cockroach transfers the male gametes in the form of:

Titillator in cockroach is borne by:

Number of ovarioles in each ovary of cockroach is:

In female cockroach, the genital pore is located at:

Cockroach and earthworm have common type of :

The function of spematheca in Periplaneta is to :

Eggs of cockroach hare fertilized in:

Egg of cockroach is:

Colleterial glands are found in:

Ootheca in Periplaneta americana is secreted by:

How many eggs are present in an ootheca of Periplaneta ?

The eggs of cockroach are arranged in:

The reproductive gametes of cockroach contain _______ number of chromosomes :

In which of these, moulting of exoskeleton occurs from time to time during growth period?

The process of ecdysis in cockroach and other insects is related with:

How many times between hatching and its complete development the young cockroach undergoes ecdysis?

Metamorphosis in the life history of Periplaneta is:

Young cockroach is called:

The period between two moults in insects is termed as:

Cockroach is:

Basic difference between Periplaneta americana and Blatta orientalis is in:

Which of the following acts as a distinguishing character between Periplaneta and Blatta?

Reduced wings are found in:

Wings are vestigial in:

Periplaneta americana differs from Blatta arientalis in having:

Diploid number of chromosomes Blatta arientalis is: