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- Subject
- Biology Mcqsbiology-mcqs
- Published
- 15 May 2018
- Last updated
- 28 May 2026
Explanation
The skeleton of sponges consists of variously shaped, needle-like elements known as spicules, which provide structural support. The other options do not refer to these skeletal components.
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Practice related questions from the same subject.
- 1.Which field of study focuses on the cultivation of crops and the management of soil?
- 2.What does pedology focus on studying?
- 3.What is another name for mitochondria?
- 4.Which field focuses on examining the interactions between antigens and antibodies present in the blood?
- 5.Which scientific discipline focuses on organizing and categorizing living organisms?
- 6.In the scientific name Homo sapiens, which two taxonomic categories are represented by the Latin terms?
- 7.Which virus is responsible for causing rabies?
- 8.Which of the following conditions is commonly associated with multiple opportunistic infections?