HARD
Earn 100
Which of the following statement is correct?
50% studentsanswered this correctly
Important Questions on Study of Animal Type : Cockroach
MEDIUM
Study the following and pick up the correct statements.
I. Contraction of the dorsal longitudinal muscles elevates the wings in the cockroach.
II. Rectal papillae help in water conservation in cockroaches.
III. The second chamber of the heart from the anterior part lies in the metathorax of the cockroach.
IV. Inner cuticular lining of the trachea of the cockroach is called the intima.
MEDIUM
Read the following statements about cockroach.
(i) In male cockroach, a characteristic mushroom shaped gland is present in the abdominal segments which functions as an accessory reproductive gland.
(ii) Cockroach is uricotelic.
(iii) The fat body and uricose glands are glandular in function.
(iv) Blood from sinuses enter heart through ostia and is pumped anteriorly to sinuses again.
Which of the above statements are correct?
MEDIUM
Which of the following statement is true about cockroach?
EASY
Which are the two common Indian cockroaches?
EASY
Which of the following is correct about embryo development in Periplaneta americana?
HARD
Why do insects need moulting ?
HARD
Recognise the figure and find out the CORRECT matching.
MEDIUM
Represent the union of two sets by Venn diagram for each of the following.
is a prime number between and
is an odd number between and
MEDIUM
Which of the following statements is correct regarding cockroach?
MEDIUM
The life span of cockroaches in general is:
**No options seemed correct. One of the option modified.**
EASY
Why do you call cockroach a pest?
MEDIUM
Which of these statements is not true about cockroaches?
HARD
What is the difference between simple and compound eyes?
EASY
Choose the CORRECT statement.
HARD
Consider the following four statements and select the correct option stating which ones are true and which ones are false .
(i) In male cockroach, genital pouch or chamber lies at the hind end of abdomen bounded dorsally by and terga and ventrally by the sternum.
(ii) In cockroaches, the haemolymph is composed of colourless plasma and haemocytes.
(iii) In a female cockroach each ovary is formed of a group of ten ovarian tubules or ovarioles, containing a chain of developing ova.
(iv) In cockroach the nymph grows by moulting about times to reach the adult form.
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| (ii) | ||||
| (iii) | ||||
| (iv) |
EASY
Periplaneta americana differs from Blatta orientalis in:
MEDIUM
The terga, sterna and pleura of cockroach body are joined by:
EASY
Cotyledons are also called-
EASY
Read the following four statements (A-D):
(A) On average, a female cockroach produces 9-10 oothecae, each containing 14-16 eggs.
(B) The development of P. Americana is ametabolous.
(C) The nymph grows by moulting about 20 times to reach the adult form.
(D) In male cockroach, a mushroom-shaped gland is present in the 6th-7th abdominal segments.
How many of the above statements are wrong?
EASY
How many different types of animals are present around us?
