Biology Questions Practice Question and Answer
8 Q: Which group of animals are named because of their spiny skin and a peculiar water-driven tube system that they use for moving around?
1256 064b527acefb5ba16688217c6
64b527acefb5ba16688217c6- 1Hemichordatafalse
- 2Aschelminthesfalse
- 3Echinodermatatrue
- 4Molluscafalse
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Answer : 3. "Echinodermata "
Explanation :
1. All the creatures of Echinodermata phylum are marine and have thorny bodies.
2. There is a mass flow system in their body.
3. A specific water-conveying canal system is found, which helps in their movement.
Q: What is digestion?
1255 063c7ab778731ac33279ac058
63c7ab778731ac33279ac058- 1Conversion of complex bio-macromolecules to simple absorbable formstrue
- 2Conversion of complex biomolecules to a simple formfalse
- 3Conversion of complex bio-macromolecules to a simple formfalse
- 4Conversion of simple biomolecules to complex formfalse
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Answer : 1. "Conversion of complex bio-macromolecules to simple absorbable forms"
Q: What are the basic units from which human spare parts can be created?
1255 063cfbff9484e510dd0678fe3
63cfbff9484e510dd0678fe3- 1Nerve cellsfalse
- 2Stem cellstrue
- 3Heart cellsfalse
- 4Kidney cellsfalse
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Answer : 2. "Stem cells "
Q: Controlling mosquito using chemical substances is called?
1248 0603635939792c13b2854d77a
603635939792c13b2854d77a- 1Bio-controlfalse
- 2Chemical Controltrue
- 3bothfalse
- 4None of thesefalse
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Answer : 2. "Chemical Control"
Q: Which of the following does NOT belong to Arthropoda group of animal kingdom?
1247 06419714dfb0ff69a8ee7f4cf
6419714dfb0ff69a8ee7f4cf- 1Butterflyfalse
- 2Cockroachfalse
- 3Octopustrue
- 4Spiderfalse
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Answer : 3. "Octopus "
Q: Which of the following enzymes is found in saliva of human body which breaks down starch into simple sugar?
1246 0641975a167ad957a978915b3
641975a167ad957a978915b3- 1Amylasetrue
- 2Trypsinfalse
- 3Pepsinfalse
- 4Reninfalse
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Answer : 1. "Amylase "
Q: Where does the mouth lead into the alimentary canal?
1244 063c7b828f3a01033444ec47e
63c7b828f3a01033444ec47e- 1Pharynxfalse
- 2Larynxfalse
- 3Oral cavitytrue
- 4Tonguefalse
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Answer : 3. "Oral cavity"
Q: The epithelial tissue covers:
1243 063cf8d7d0d9e560db8e5603f
63cf8d7d0d9e560db8e5603f- 1External surface of human bodyfalse
- 2Internal surface of blood vesselsfalse
- 3Luminal surface of visceral organstrue
- 4All of thesefalse
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