Class 11 Biology: Animal Kingdom Advanced Worksheet
This worksheet challenges students' understanding of the Animal Kingdom, focusing on advanced concepts, distinguishing features of phyla, and specific examples.
Class 11CBSEBiologyhardPractice
Preview · 10 questions
- Q1. Which of the following classes in Phylum Arthropoda exhibits both terrestrial and aquatic forms with a chitinous exoskeleton, biramous appendages, and a cephalothorax?
- Insecta
- Arachnida
- Crustacea
- Myriapoda
- Q2. The primary defining characteristic for classifying an animal as being part of Phylum Chordata, aside from a notochord, is the presence of a '______' dorsal hollow nerve cord.
- Q3. Identify the INCORRECT statement regarding the differences between the sexes of Ascaris lumbricoides:
- Male Ascaris is shorter than female Ascaris.
- The posterior end of the male Ascaris is sharply curved ventrally.
- Male Ascaris possesses a pair of pineal spicules.
- Female Ascaris has a cloaca for both reproductive and excretory openings.
- Q4. Explain why Echinodermata, despite being invertebrates, are considered more closely related to chordates than other invertebrate phyla.
- Q5. Which of the following adaptive features is NOT characteristic of members belonging to Class Aves for flight?
- Pneumatic bones
- Presence of air sacs connected to lungs
- Absence of teeth in the jaw
- Well-developed diaphragm for efficient respiration
+ 5 more in the printable PDF.