Biology Practice Question and Answer
8 Q: Which of the following factors is responsible for the disease called 'Mad Hatter's Disease'?
899 064a2b182d19ae0083334a44d
64a2b182d19ae0083334a44d- 1Inhalation of iron dustfalse
- 2Inhaling silica dustfalse
- 3Mercury poisoningtrue
- 4Vitamin-D deficiencyfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Mercury poisoning"
Explanation :
1. Mercury poisoning is responsible for which of the following diseases called 'Mad Hatter's Disease'?
2. Mad Hatter's Disease is a form of mercury poisoning that affects the brain and nervous system.
3. There is a risk of mental and behavioural changes, such as confusion, hallucination, and irritability etc. in this disease.
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?
895 064b527acefb5ba16688217c6
64b527acefb5ba16688217c6- 1Hemichordatafalse
- 2Aschelminthesfalse
- 3Echinodermatatrue
- 4Molluscafalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
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: RNA is a polymeric molecule. What does RNA stand for?
892 062cd631351fe3472d6b304b3
62cd631351fe3472d6b304b3- 1Rhino Nuclear Acidfalse
- 2Resto Nucleus Acidfalse
- 3Rado Nuclear Acidfalse
- 4Ribo Nucleic Acidtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Ribo Nucleic Acid"
Q: Which of the following dust causes lung cancer?
892 06329bdbf4ada076be65725ee
6329bdbf4ada076be65725ee- 1Ledfalse
- 2Asbestostrue
- 3Carbon monoxidefalse
- 4Cadmiumfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Asbestos"
Q: Which of the following is a correct match?
889 063cfc2cb0d9e560db8e69d3f
63cfc2cb0d9e560db8e69d3f- 1Down's syndrome - 21st chromosometrue
- 2Sickle-cell anaemia - X-chromosomefalse
- 3Haemophilia - Y- chromosomefalse
- 4Parkinson's - X and Y-chromosomefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Down's syndrome - 21st chromosome "
Q: Which of the following is not a major component of the food?
883 063c7cd998731ac33279b2244
63c7cd998731ac33279b2244- 1Carbohydratesfalse
- 2proteinsfalse
- 3Vitaminstrue
- 4Fatsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Vitamins"
Q: What is the osmolarity(in mO smolL–1) in the outer cortex and inner medullary region?
881 063c8fa49bd6d90332092c5a3
63c8fa49bd6d90332092c5a3- 1300 and 900 respectivelyfalse
- 2600 and 300 respectivelyfalse
- 31200 and 300 respectivelyfalse
- 4300 and 1200 respectivelytrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "300 and 1200 respectively"
Q: Which of the following diseases is caused by insulin deficiency or insulin resistance?
877 0642c16e69d18d2e8ae280c3a
642c16e69d18d2e8ae280c3a- 1Diabetestrue
- 2Flufalse
- 3Coughfalse
- 4Beri Berifalse
- Show AnswerHide Answer
- Workspace
- SingleChoice