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Parkinson's diseases (characterised by t...

Parkinson's diseases (characterised by tremorse and progressive rigidity of limbs) is caused by degeneration of brain neutrons that are involved in movement control and make use of neurotransmitter

A

Norepinephrine

B

Acetylcholine

C

GABA

D

Dopamine

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The correct Answer is:
D
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Parkinson's disease (Characterized by tremors and progressive rigidity of limbs) is cause by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter

Column I some disorders associated with brain. Column II the causes for these disorders. Match the two column and identify the correct option from those given: {:("Column-I","Column-II"),(A" Epilepsy", p" Degeneration of neurons in the cerebral cortex"),(B" Alzheimer's disease", q" Irregular electrical discharge in the neurons"),(C" Parkinson's disease", r" Decreased production of acetylcholine"),(D" Huntington's chorea", s" Regeneration of dopamine releasing neurons"),(,t" Formation of blood dots in the brain"):}

First read a passage and then answer the questions following that passage. Soil scientists have shown that the soil teems with millions of living things, many of them useful, others harmful. The living things which are useful include earthworms and various kinds of bacteria. Earthworms loosen the soil and so enable air and water to enter it. Bacteria, which are microscopic living things break down dead plants and animals and make humus, or take nitrogen from the air and change it into substances that plants use. The living things that do harm include other bacteria and fungi which cause diseases. Other harmful things are pests such as wire worms which feed on the roots of grass and other plants. While the farmer can usually keep weeds in check by careful cultivation, this alone may not protect his crops from insects, pests and diseases. Nowadays, however, he is much better able to control these enemies. He may plant. specially resistant types of seeds or he may keep the pests and diseases in check with chemicals. With better seeds farmers have been able to increase their crop yield . They can grow crops that ripen more quickly and have a stronger resistance to disease, frost or drought. Nowadays it is possible to reduce the loss caused by pests and harmful bacteria

First read a passage and then answer the questions following that passage. Soil scientists have shown that the soil teems with millions of living things, many of them useful, others harmful. The living things which are useful include earthworms and various kinds of bacteria. Earthworms loosen the soil and so enable air and water to enter it. Bacteria, which are microscopic living things break down dead plants and animals and make humus, or take nitrogen from the air and change it into substances that plants use. The living things that do harm include other bacteria and fungi which cause diseases. Other harmful things are pests such as wire worms which feed on the roots of grass and other plants. While the farmer can usually keep weeds in check by careful cultivation, this alone may not protect his crops from insects, pests and diseases. Nowadays, however, he is much better able to control these enemies. He may plant. specially resistant types of seeds or he may keep the pests and diseases in check with chemicals. With better seeds farmers have been able to increase their crop yield . They can grow crops that ripen more quickly and have a stronger resistance to disease, frost or drought. The farmers today can also select seeds

First read a passage and then answer the questions following that passage. Soil scientists have shown that the soil teems with millions of living things, many of them useful, others harmful. The living things which are useful include earthworms and various kinds of bacteria. Earthworms loosen the soil and so enable air and water to enter it. Bacteria, which are microscopic living things break down dead plants and animals and make humus, or take nitrogen from the air and change it into substances that plants use. The living things that do harm include other bacteria and fungi which cause diseases. Other harmful things are pests such as wire worms which feed on the roots of grass and other plants. While the farmer can usually keep weeds in check by careful cultivation, this alone may not protect his crops from insects, pests and diseases. Nowadays, however, he is much better able to control these enemies. He may plant. specially resistant types of seeds or he may keep the pests and diseases in check with chemicals. With better seeds farmers have been able to increase their crop yield . They can grow crops that ripen more quickly and have a stronger resistance to disease, frost or drought. The living things that do harm

First read a passage and then answer the questions following that passage. Soil scientists have shown that the soil teems with millions of living things, many of them useful, others harmful. The living things which are useful include earthworms and various kinds of bacteria. Earthworms loosen the soil and so enable air and water to enter it. Bacteria, which are microscopic living things break down dead plants and animals and make humus, or take nitrogen from the air and change it into substances that plants use. The living things that do harm include other bacteria and fungi which cause diseases. Other harmful things are pests such as wire worms which feed on the roots of grass and other plants. While the farmer can usually keep weeds in check by careful cultivation, this alone may not protect his crops from insects, pests and diseases. Nowadays, however, he is much better able to control these enemies. He may plant. specially resistant types of seeds or he may keep the pests and diseases in check with chemicals. With better seeds farmers have been able to increase their crop yield . They can grow crops that ripen more quickly and have a stronger resistance to disease, frost or drought. Farmers are always careful

First read a passage and then answer the questions following that passage. Soil scientists have shown that the soil teems with millions of living things, many of them useful, others harmful. The living things which are useful include earthworms and various kinds of bacteria. Earthworms loosen the soil and so enable air and water to enter it. Bacteria, which are microscopic living things break down dead plants and animals and make humus, or take nitrogen from the air and change it into substances that plants use. The living things that do harm include other bacteria and fungi which cause diseases. Other harmful things are pests such as wire worms which feed on the roots of grass and other plants. While the farmer can usually keep weeds in check by careful cultivation, this alone may not protect his crops from insects, pests and diseases. Nowadays, however, he is much better able to control these enemies. He may plant. specially resistant types of seeds or he may keep the pests and diseases in check with chemicals. With better seeds farmers have been able to increase their crop yield . They can grow crops that ripen more quickly and have a stronger resistance to disease, frost or drought. Scientists who study soil believe that

The gland A is attached to the wind pipe in the human body. The gland A makes and secretes a hormone B which controls the metabolism of carbohydrates, fats and proteins in the body. The non-metal element C is necessary for the formation of hormone B. The deficiency of C in the diet can cause a deficiency of hormone B in the body leading to a disease D in which the neck of a person appears to be swollen. People are advised to use salt e in cooking food so as to avoid disease D. (a) Name (i) gland A, and (ii) hormone B. (b) What is the element C? (c) Name one type of food which can provide sufficient C in the diet of a person. (d) Name (i) disease D, and (ii) salt E.

TRUEMAN BIOLOGY-NEURAL CONTROL AND COORDINATION-MCQ
  1. In the resting state of the neural membrane diffusion due to concentra...

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  2. Injury to nerve in human is not likely to affect

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  3. Parkinson's diseases (characterised by tremorse and progressive rigidi...

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  4. In a man, abducens nerve is injured. Which one of the following functi...

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  5. Which one of the following does not act as a neurotransmitter ?

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  6. Which hormone causes dilation of blood vessels, increased oxygen consu...

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  7. Bowman's glands are located in the

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  8. During the transmission of nerve impulse through a nerve fibre, the po...

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  9. Which of the following is an example of negative feedback loop in huma...

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  10. Feeling of tremors of an earthquake, a scared resident of seventh floo...

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  11. The nerve centres which control the body temperature and the urge for ...

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  12. When a neuron is in resting state i.e. not conducting any impulse, the...

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  13. The purplish red pigment rhodopsin contained in the rods type of photo...

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  14. A person entering an empty room suddenly fins a snake right in front o...

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  15. Which part of the human ear plays no role in hearing as such but is ot...

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  16. The human hind brain comparises three parts, one of which is

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  17. A nerve impulse is generated when the nerve cell undergoes

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  18. Cerebrospinal fluid is secreted by

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  19. The capacity to differentiate colours lies in

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  20. In ear, the membranous labyrinth is filled with fluid called

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