183733
Which of the following is characteristic feature of cockroach regarding sexual dimorphism?
1 Presence of anal cerci
2 Dark brown body colour and anal cerci
3 Presence of anal styles
4 Presence of sclerites
Explanation:
C Sexual dimorphism in cockroaches varies widely. In the cockroachmales and females have slightly different morphologyhence showing sexual dimorphism. Male cockroach bear a pair of shortthread like anal style which are absent in female.
NEET (UG) 07.05.2023
Structural Organization in Animals
183735
In cockroachesdigestive juice is secreted by the
1 gizzard
2 Malpighian tubules
3 crop
4 oesophagus
5 hepatic caeca
Explanation:
: The hepatic caeca is located at the junction of the foregut and midgut of the cockroach and is composed of 6-8 thintransparent cecal tubules. These tubules are arranged in rosettes. It helps in digestion by secreting digestive juices. It produces digestive enzymes.
NEET (Re-Exam)-04.09.2022
Structural Organization in Animals
183737
Number of rectal papillae present in cockroach
1 Three
2 Six
3 Nine pairs
4 Six pairs
Explanation:
B In cockroachthe inner walls of the rectums has six longitudinal chitinous foldscalled 'Rectal papillae'. They help in the reabsorption of water from the undigested food.
TS EAMCET-09.08.2021 Shift-II
Structural Organization in Animals
183740
In a certain taxon of insects (Example: Cockroach)some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosomes bearing organisms are
1 All males
2 All females
3 Males and females respectively
4 Females and males respectively
Explanation:
C In a certain taxon of insects (e.g. - cockroach) some have 17 chromosomes and the others have 18 chromosome. The 17 and 18 chromosome bearing organisms are males and females respectively. Because the sex determination in this taxon of insects is of male heterogamty with XO type. This means females have their eggs bearing an additional \(\mathrm{X}\) chromosome besides autosomes.
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Structural Organization in Animals
183733
Which of the following is characteristic feature of cockroach regarding sexual dimorphism?
1 Presence of anal cerci
2 Dark brown body colour and anal cerci
3 Presence of anal styles
4 Presence of sclerites
Explanation:
C Sexual dimorphism in cockroaches varies widely. In the cockroachmales and females have slightly different morphologyhence showing sexual dimorphism. Male cockroach bear a pair of shortthread like anal style which are absent in female.
NEET (UG) 07.05.2023
Structural Organization in Animals
183735
In cockroachesdigestive juice is secreted by the
1 gizzard
2 Malpighian tubules
3 crop
4 oesophagus
5 hepatic caeca
Explanation:
: The hepatic caeca is located at the junction of the foregut and midgut of the cockroach and is composed of 6-8 thintransparent cecal tubules. These tubules are arranged in rosettes. It helps in digestion by secreting digestive juices. It produces digestive enzymes.
NEET (Re-Exam)-04.09.2022
Structural Organization in Animals
183737
Number of rectal papillae present in cockroach
1 Three
2 Six
3 Nine pairs
4 Six pairs
Explanation:
B In cockroachthe inner walls of the rectums has six longitudinal chitinous foldscalled 'Rectal papillae'. They help in the reabsorption of water from the undigested food.
TS EAMCET-09.08.2021 Shift-II
Structural Organization in Animals
183740
In a certain taxon of insects (Example: Cockroach)some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosomes bearing organisms are
1 All males
2 All females
3 Males and females respectively
4 Females and males respectively
Explanation:
C In a certain taxon of insects (e.g. - cockroach) some have 17 chromosomes and the others have 18 chromosome. The 17 and 18 chromosome bearing organisms are males and females respectively. Because the sex determination in this taxon of insects is of male heterogamty with XO type. This means females have their eggs bearing an additional \(\mathrm{X}\) chromosome besides autosomes.
183733
Which of the following is characteristic feature of cockroach regarding sexual dimorphism?
1 Presence of anal cerci
2 Dark brown body colour and anal cerci
3 Presence of anal styles
4 Presence of sclerites
Explanation:
C Sexual dimorphism in cockroaches varies widely. In the cockroachmales and females have slightly different morphologyhence showing sexual dimorphism. Male cockroach bear a pair of shortthread like anal style which are absent in female.
NEET (UG) 07.05.2023
Structural Organization in Animals
183735
In cockroachesdigestive juice is secreted by the
1 gizzard
2 Malpighian tubules
3 crop
4 oesophagus
5 hepatic caeca
Explanation:
: The hepatic caeca is located at the junction of the foregut and midgut of the cockroach and is composed of 6-8 thintransparent cecal tubules. These tubules are arranged in rosettes. It helps in digestion by secreting digestive juices. It produces digestive enzymes.
NEET (Re-Exam)-04.09.2022
Structural Organization in Animals
183737
Number of rectal papillae present in cockroach
1 Three
2 Six
3 Nine pairs
4 Six pairs
Explanation:
B In cockroachthe inner walls of the rectums has six longitudinal chitinous foldscalled 'Rectal papillae'. They help in the reabsorption of water from the undigested food.
TS EAMCET-09.08.2021 Shift-II
Structural Organization in Animals
183740
In a certain taxon of insects (Example: Cockroach)some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosomes bearing organisms are
1 All males
2 All females
3 Males and females respectively
4 Females and males respectively
Explanation:
C In a certain taxon of insects (e.g. - cockroach) some have 17 chromosomes and the others have 18 chromosome. The 17 and 18 chromosome bearing organisms are males and females respectively. Because the sex determination in this taxon of insects is of male heterogamty with XO type. This means females have their eggs bearing an additional \(\mathrm{X}\) chromosome besides autosomes.
183733
Which of the following is characteristic feature of cockroach regarding sexual dimorphism?
1 Presence of anal cerci
2 Dark brown body colour and anal cerci
3 Presence of anal styles
4 Presence of sclerites
Explanation:
C Sexual dimorphism in cockroaches varies widely. In the cockroachmales and females have slightly different morphologyhence showing sexual dimorphism. Male cockroach bear a pair of shortthread like anal style which are absent in female.
NEET (UG) 07.05.2023
Structural Organization in Animals
183735
In cockroachesdigestive juice is secreted by the
1 gizzard
2 Malpighian tubules
3 crop
4 oesophagus
5 hepatic caeca
Explanation:
: The hepatic caeca is located at the junction of the foregut and midgut of the cockroach and is composed of 6-8 thintransparent cecal tubules. These tubules are arranged in rosettes. It helps in digestion by secreting digestive juices. It produces digestive enzymes.
NEET (Re-Exam)-04.09.2022
Structural Organization in Animals
183737
Number of rectal papillae present in cockroach
1 Three
2 Six
3 Nine pairs
4 Six pairs
Explanation:
B In cockroachthe inner walls of the rectums has six longitudinal chitinous foldscalled 'Rectal papillae'. They help in the reabsorption of water from the undigested food.
TS EAMCET-09.08.2021 Shift-II
Structural Organization in Animals
183740
In a certain taxon of insects (Example: Cockroach)some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosomes bearing organisms are
1 All males
2 All females
3 Males and females respectively
4 Females and males respectively
Explanation:
C In a certain taxon of insects (e.g. - cockroach) some have 17 chromosomes and the others have 18 chromosome. The 17 and 18 chromosome bearing organisms are males and females respectively. Because the sex determination in this taxon of insects is of male heterogamty with XO type. This means females have their eggs bearing an additional \(\mathrm{X}\) chromosome besides autosomes.