Frog: morphology and anatomy
- Which of the following statement is correct about location of the male frog copulatory pad ? Answer: 4. First digit of the fore limb Key idea: Male frogs have a copulatory (nuptial) pad on the first digit of each forelimb. It helps t... 1
- Match List I with List II related to digestive system of cockroach.List I:A. The structures used for storing of food.B. Ring of 6-8 blind tubules at junction of foregut and midgut.C. Ring of 100-150 yellow coloured thin filaments at junction of midgu… Answer: 2. A-IV, B-II, C-III, D-I Crop stores food (A-IV). Gastric caeca: a ring of 6-8 blind tubules at the foregut-midgut junction (B-II).... 1
- In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on : Answer: 3. 10^th segment The cockroach abdomen has 10 segments. Anal cerci, a pair of jointed filamentous structures, are present on the 10t... 1
- Which of the following is characteristic feature of cockroach regarding sexual dimorphism ? Answer: 3. Presence of anal styles Key idea: In cockroaches, males have a pair of anal styles that females lack. Both sexes have anal cerci,... 1
- In cockroach, excretion is brought about by-A. Phallic glandB. Urecose glandC. NephrocytesD. Fat bodyE. Collaterial glandsChoose the correct answer from the options given below: Answer: 4. B, C and D only Key idea: In cockroaches, excretion is done by Malpighian tubules, and also by fat body, nephrocytes and urecose... 1
- Tegmina in cockroach, arises from : Answer: 3. Mesothorax Key idea: In cockroach, the forewings are tegmina and arise from the mesothorax. The hind wings (membranous) arise fro... 1
- Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth : Answer: 1. Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum The cockroach alimentary canal runs: mouth, pharynx, oesophagus, c... 1