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Test: Cockroach (NCERT) - NEET MCQ

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15 Questions MCQ Test Biology Class 11 - Test: Cockroach (NCERT)

Test: Cockroach (NCERT) for NEET 2024 is part of Biology Class 11 preparation. The Test: Cockroach (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Cockroach (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Cockroach (NCERT) below.
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Test: Cockroach (NCERT) - Question 1

In the following diagram of a leg of Cockroach parts have been indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the parts which they indicate

Detailed Solution for Test: Cockroach (NCERT) - Question 1

Leg of the cockroach is articulated with its thoracic by a stout flattened, basal coxa, followed by a triangular trochanter. The latter is fused to a stout spiny femur followed by a slender spiny tibia, which is the longest segment of leg. Finally, the tarsus is made of 5 very small movable podomeres or tarsomeres bearing fine hairs.

Test: Cockroach (NCERT) - Question 2

Which of the following statements is correct regarding cockroach?

Detailed Solution for Test: Cockroach (NCERT) - Question 2

Cockroach possesses ventral nerve cord. Spiracles help in respiration. Phallomere is present in male cockroach. It helps in the transfer of spermatophore from male cockroach to female cockroach. Ocellus is a simple eye that occurs in insects and other invertebrates.

Test: Cockroach (NCERT) - Question 3

Which of the following is correct for the common Cockroach?

Detailed Solution for Test: Cockroach (NCERT) - Question 3

The two mandibles in the mouth part of cockroach bear teeth which cut and masticate the food into fine particles. Gizzard is a part of alimentary canal which is used for grinding the food as it bears six muscular folds covered by chitinous conical plates, the teeth. Malpighian tubules arise from the junction of mid-out and hind-gut. Orygen is transported by tracheae as no pigment is present in the blood. Nitrogenous excretory product is uric acid.

Test: Cockroach (NCERT) - Question 4

About how many times does the nymph of Periplaneta americana undergo moulting before becoming an adult?

Detailed Solution for Test: Cockroach (NCERT) - Question 4

Immediately after hatching, the nymphs undergo first moulting or ecdysis and then 13 successive moults follow. As nymphal development proceeds, the wing pads arise, body increases in size, colouration becomes darker and ultimately the adult takes its form with fully developed wings and genitalia.

Test: Cockroach (NCERT) - Question 5

Select the correct statement from the ones given below with respect to Periplaneta americana

Detailed Solution for Test: Cockroach (NCERT) - Question 5

In male cockroach, from the side of the 9th sternum, there arises a paired, small unjoined outgrowths called anal styles. These structures are sensitive to touch. These are absent in female cockroach. Nervous system is located ventrally. There are 100-150 Malpighian tubules. Grinding of food is carried out by gizzard.

Test: Cockroach (NCERT) - Question 6

Which of the following figures shows the mandibles of cockroach?

Detailed Solution for Test: Cockroach (NCERT) - Question 6

Figure (C) shows the mandibles of a cockroach.

Test: Cockroach (NCERT) - Question 7

In cockroach, the ootheca is formed by the secretion of 

Detailed Solution for Test: Cockroach (NCERT) - Question 7

Collaterial glands are present in female cockroach as part of reproductive system. These glands are branched tubular glands opening independently on the dorsal side of the genital chamber. The secretion produced by these glands forms the oothecal case of ootheca.

Test: Cockroach (NCERT) - Question 8

The given figure shows alimentary canal of cockroach. Identify the parts labelled as A to D and select the correct option.

Detailed Solution for Test: Cockroach (NCERT) - Question 8

Alimentary canal of cockroach is a long and somewhat coiled tube of uneven diameter. Crop is large, thin-walled, pear-shaped sac, which extends well up to the third or fourth abdominal segment. It is the largest part of foregut. Crop serves as a reservoir for storing food. The gizzard or proventriculus, marks the end of foregut. In the gizzard, the cuticular lining first forms 6 plates with teeth to grind the food, and then bears bristles to let only the well crushed food to pass on. Opening into the anterior end of midgut are 7 or 8 short, narrow, blindly ending hollow tubes, called enteric or hepatic caeca. These are internally lined by epithelium and secrete digestive enzymes. From the junction of midgut and hindgut arise 80 to 90 very narrow, thread-like, yellow-coloured blind tubules projecting freely into haemocoel. These are called Malpighian tubules and are excretory in function.

Test: Cockroach (NCERT) - Question 9

In the mouth parts of a cockroach, the labium forms _______ (i) while _____ (ii) acts as a tongue.

Detailed Solution for Test: Cockroach (NCERT) - Question 9

The mouth parts of cockroach are of biting and chewing type consisting of labrum (upper lip), a pair of mandibles, a pair of maxillae and a labium (lower lip). Within the oral cavity enclosed by the mouthparts, lies a median flexible lobe called hypopharynx (tongue).

Test: Cockroach (NCERT) - Question 10

Consider the following four statements (i) - (iv) and select the correct option stating which ones are true (T) and which ones are false (F).
(i) In male cockroach, genital pouch or chamber lies at the hind end of abdomen bounded dorsally by 9th and 10th terga and ventrally by the 9th sternum
(ii) In cockroach, the haemolymph is composed of colourless plasma and haemocytes
(iii) In 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 6-13 times to reach the adult form

Detailed Solution for Test: Cockroach (NCERT) - Question 10

In female cockroach, each ovary is formed of a group of eight ovarian tubules or ovarioles, containing a chain of developing ova

Test: Cockroach (NCERT) - Question 11

Read the following statement having two blanks A and B in cockroach, a ring of 6 - 8 blind tubules called ______(A) is present at the junction of foregut and midgut while at the junction of midgut and hindgut a ring of 100 - 150 yellow coloured yellow coloured thin filamentous _______(B) is present.

Detailed Solution for Test: Cockroach (NCERT) - Question 11

Hepatic caecae secrete digestive juice and Malpighian tubules help in removal of excretory products from haemolymph.

Test: Cockroach (NCERT) - Question 12

Read the following statements about cockroach
(i) In male cockroach, a characteristic mushroom shaped gland is present in the 6th and 7th abdominal segments which junctions 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?

Detailed Solution for Test: Cockroach (NCERT) - Question 12

In male cockroach, the junction of vasa defferentia and the ejaculatory duct is surrounded by a characterstick mushroom gland; lying in the 6th-7th abdominal segments. Its secretion provides nourishment to the sperms and forms the innermost layer of spermatophore. Cockroach excretes uric acid, therefore it is uricotelic. Blood from sinuses enter 68
heart through ostia and is pumped anteriorly to sinuses again. In cockroach, excretion is done by Malpighian tubules. In addition, the fat body, neohrocytes and uricose glands also help in excretion.

Test: Cockroach (NCERT) - Question 13

Study the given figure of reproductive system of male cockroach.
In which of the labelled parts are the sperms stored?

Detailed Solution for Test: Cockroach (NCERT) - Question 13

'B' is seminal vesicle where the sperms are stored. Here, the sperms are glued together in the form of bundles called spermatophores which are discharged during copulation.

Test: Cockroach (NCERT) - Question 14

Which one of the following is the correct combination?

Detailed Solution for Test: Cockroach (NCERT) - Question 14

Smooth muscle - do not have striations and are spindle shaped
Cockroach - 10 pairs of spiracles
Earthworm - Alimentary canal consists of a sequence of pharynx → oesophagus → gizzard → stomach → intestine
Frog - Body divisible into two regions:  head and trunk

Test: Cockroach (NCERT) - Question 15

The development of Periplaneta americana is

Detailed Solution for Test: Cockroach (NCERT) - Question 15

The development of Periplaneta americana is paurometabolous, i.e., there is development through nymphal stage.

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