Which of the following statement is/are correct regarding digestive system of cockroach?
$(i)$ Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
$(ii)$ Gizzard helps in grinding the food particles.
$(iii)$ A ring of $6-8$ blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
$(iv)$ At the junction of midgut and hindgut is present another ring of $100-150$ yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.
Which of the following statement is/are correct regarding digestive system of cockroach?
$(i)$ Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
$(ii)$ Gizzard helps in grinding the food particles.
$(iii)$ A ring of $6-8$ blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
$(iv)$ At the junction of midgut and hindgut is present another ring of $100-150$ yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.
- A
Only $(i)$
- B
Both $(ii)$ and $(iii)$
- C
Both $(i)$ and $(iv)$
- D
All of these
Similar Questions
In cockroach, identify the parts of the foregut in correct sequence
In cockroach, identify the parts of the foregut in correct sequence
- [NEET 2020]
In cockroach, male genital open into.....
In cockroach, male genital open into.....
Describe reproductive system of cockroach in detail.
Describe reproductive system of cockroach in detail.
Complete the following statement :
$(a)$ In cockroach grinding of food particle is performed by ........ .
$(b)$ Malpighian tubules help in removal of ........ .
$(c)$ Hind gut of cockroach is differentiated into ........ .
$(d)$ In cockroach blood vessels open into spaces called ........ .
Complete the following statement :
$(a)$ In cockroach grinding of food particle is performed by ........ .
$(b)$ Malpighian tubules help in removal of ........ .
$(c)$ Hind gut of cockroach is differentiated into ........ .
$(d)$ In cockroach blood vessels open into spaces called ........ .