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- Question 1 of 20
1. Question
A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird? [1998]
CorrectDodo birds species existed only on the island of Mauritius. Due to its short wings and bulky body the Dodo birds could not fly or flee in the face of danger. So human used to kill them for food. Later the species became extinct from Mauritius. This bird species was helpful in pollinating and propagating seed of trees.
IncorrectDodo birds species existed only on the island of Mauritius. Due to its short wings and bulky body the Dodo birds could not fly or flee in the face of danger. So human used to kill them for food. Later the species became extinct from Mauritius. This bird species was helpful in pollinating and propagating seed of trees.
UnattemptedDodo birds species existed only on the island of Mauritius. Due to its short wings and bulky body the Dodo birds could not fly or flee in the face of danger. So human used to kill them for food. Later the species became extinct from Mauritius. This bird species was helpful in pollinating and propagating seed of trees.
- Question 2 of 20
2. Question
The complete conversion of glucose, in the presence of oxygen, into carbon dioxide and water with release of energy is called [1998]
CorrectThe complete conversion of glucose in presence of oxygen, into carbon dioxide, water and release energy is called aerobic respiration. Anaerobic respiration, occurs in the absence of oxygen.
IncorrectThe complete conversion of glucose in presence of oxygen, into carbon dioxide, water and release energy is called aerobic respiration. Anaerobic respiration, occurs in the absence of oxygen.
UnattemptedThe complete conversion of glucose in presence of oxygen, into carbon dioxide, water and release energy is called aerobic respiration. Anaerobic respiration, occurs in the absence of oxygen.
- Question 3 of 20
3. Question
Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains [1998]
CorrectPolyunsaturated fatty acid is an antioxidant, which helps in building of tissues.
IncorrectPolyunsaturated fatty acid is an antioxidant, which helps in building of tissues.
UnattemptedPolyunsaturated fatty acid is an antioxidant, which helps in building of tissues.
- Question 4 of 20
4. Question
Match List-I with List-II and select the answer using the codes given below: [1998]
List-I List-II
(Disease) (Organism)
A. Malaria 1. Fungi
B. Poliomyelitis 2. Bacteria
C. Tuberculosis 3. Virus
D. Ringworm 4. ProtozoanCorrectMalaria parasite is an protozoan. Tuberculosis is a bacteria. Ring worm is a fungus and Poliomyelitis is a virus.
IncorrectMalaria parasite is an protozoan. Tuberculosis is a bacteria. Ring worm is a fungus and Poliomyelitis is a virus.
UnattemptedMalaria parasite is an protozoan. Tuberculosis is a bacteria. Ring worm is a fungus and Poliomyelitis is a virus.
- Question 5 of 20
5. Question
Haemophilia is a genetic disorder which leads to [1998]
CorrectHaemophilia is a sex–linked recessive disorder. Clotting of blood is abnormally delayed that even a simple or small cut will result non stop bleeding in affected individual.
IncorrectHaemophilia is a sex–linked recessive disorder. Clotting of blood is abnormally delayed that even a simple or small cut will result non stop bleeding in affected individual.
UnattemptedHaemophilia is a sex–linked recessive disorder. Clotting of blood is abnormally delayed that even a simple or small cut will result non stop bleeding in affected individual.
- Question 6 of 20
6. Question
Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of [1999]
CorrectEndoscopy refers to looking inside the body through endoscope. Endoscope is an instrument used to examine interior of hollow organ of the body through borescope technique.
IncorrectEndoscopy refers to looking inside the body through endoscope. Endoscope is an instrument used to examine interior of hollow organ of the body through borescope technique.
UnattemptedEndoscopy refers to looking inside the body through endoscope. Endoscope is an instrument used to examine interior of hollow organ of the body through borescope technique.
- Question 7 of 20
7. Question
When ants bite, they inject [1999]
CorrectWhen ants bite, they inject formic acid in the muscle tissue. This formic acid is found at the mandible of ants.
IncorrectWhen ants bite, they inject formic acid in the muscle tissue. This formic acid is found at the mandible of ants.
UnattemptedWhen ants bite, they inject formic acid in the muscle tissue. This formic acid is found at the mandible of ants.
- Question 8 of 20
8. Question
In eye donation, which one of the following parts of donor’s eye is utilized? [1999, 2001]
CorrectGenerally blindness is caused by the dryness and hardness of cornea. Cornea is a clear layer which helps passing of light. It is an outer layer and can be transferred from one person to another.
IncorrectGenerally blindness is caused by the dryness and hardness of cornea. Cornea is a clear layer which helps passing of light. It is an outer layer and can be transferred from one person to another.
UnattemptedGenerally blindness is caused by the dryness and hardness of cornea. Cornea is a clear layer which helps passing of light. It is an outer layer and can be transferred from one person to another.
- Question 9 of 20
9. Question
Match the hormones in List-I with items in List-II and select the correct answer using the codes given below: [1999]
List- I List-II
A. Adrenaline 1. Anger, fear, danger
B. Estrogen 2. Attracting partners through sense of smell
C. Insulin 3. Females
D. Pheromones 4. GlucoseCorrectAdrenaline is the hormone prepares the body to deal with anger, fear and danger.
Estrogen hormone releases from ovary of female. Insulin controls the level of glucagon in blood.
Pheromones attracts partners through sense of smell.IncorrectAdrenaline is the hormone prepares the body to deal with anger, fear and danger.
Estrogen hormone releases from ovary of female. Insulin controls the level of glucagon in blood.
Pheromones attracts partners through sense of smell.UnattemptedAdrenaline is the hormone prepares the body to deal with anger, fear and danger.
Estrogen hormone releases from ovary of female. Insulin controls the level of glucagon in blood.
Pheromones attracts partners through sense of smell. - Question 10 of 20
10. Question
Match List-I (Drugs/Chemicals) with List -II (Their uses) and select the correct answer using the codes given below: [1999]
List-I List-II
A. Atropine 1. Local anaesthesia
B. Ether 2. Heart trouble
C. Nitroglycerine 3. Dilation of pupil
D. Pyrethrin 4. Mosquito control
Codes:CorrectEther is used as an anesthesia at the time of surgery to prevent pain.
Atropine is used as eye drops to dilate the pupil before eye examination.
Nitroglycerine is widely used in the treatment of heart. Pyrethrin is biodegradable, non-persistent pesticide which is used to kill mosquitoes, fleas and other insects.IncorrectEther is used as an anesthesia at the time of surgery to prevent pain.
Atropine is used as eye drops to dilate the pupil before eye examination.
Nitroglycerine is widely used in the treatment of heart. Pyrethrin is biodegradable, non-persistent pesticide which is used to kill mosquitoes, fleas and other insects.UnattemptedEther is used as an anesthesia at the time of surgery to prevent pain.
Atropine is used as eye drops to dilate the pupil before eye examination.
Nitroglycerine is widely used in the treatment of heart. Pyrethrin is biodegradable, non-persistent pesticide which is used to kill mosquitoes, fleas and other insects. - Question 11 of 20
11. Question
Which one of the following genetic diseases is sex-linked? [1999]
CorrectRoyal haemophilia is sex- linked disease. Clotting of blood is abnormally delayed even small cut will result in non stop bleeding in the affected individual. Queen Victoria was a carrier of this disease and produced haemophilic descendents.
IncorrectRoyal haemophilia is sex- linked disease. Clotting of blood is abnormally delayed even small cut will result in non stop bleeding in the affected individual. Queen Victoria was a carrier of this disease and produced haemophilic descendents.
UnattemptedRoyal haemophilia is sex- linked disease. Clotting of blood is abnormally delayed even small cut will result in non stop bleeding in the affected individual. Queen Victoria was a carrier of this disease and produced haemophilic descendents.
- Question 12 of 20
12. Question
Lathyrism is caused by excessive consumption of [1999]
CorrectLathyrism is caused by excessive consumption of khesari dal. Lathyrism gets its name from scientific name of khesari dal which is Lathyrus sativus. The symptom of the disease is paralysis of both the lower limbs.
IncorrectLathyrism is caused by excessive consumption of khesari dal. Lathyrism gets its name from scientific name of khesari dal which is Lathyrus sativus. The symptom of the disease is paralysis of both the lower limbs.
UnattemptedLathyrism is caused by excessive consumption of khesari dal. Lathyrism gets its name from scientific name of khesari dal which is Lathyrus sativus. The symptom of the disease is paralysis of both the lower limbs.
- Question 13 of 20
13. Question
Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called [2000]
CorrectA keystone species is a species that play a critical role in maintaining the structure of an ecological community and whose impact in the community is greater than would be expected based on its relative abundance or total biomass.
IncorrectA keystone species is a species that play a critical role in maintaining the structure of an ecological community and whose impact in the community is greater than would be expected based on its relative abundance or total biomass.
UnattemptedA keystone species is a species that play a critical role in maintaining the structure of an ecological community and whose impact in the community is greater than would be expected based on its relative abundance or total biomass.
- Question 14 of 20
14. Question
Assertion (A) : In human being, the females play a major role in determining the sex of the offspring.
Reason (R) : Women have two ‘X’ chromosomes. [2000]CorrectAssertion is false. In human, sex determination of offspring depends on male because male sperm contains XY chromosome, whereas female has XX chromosome in their ovum.
IncorrectAssertion is false. In human, sex determination of offspring depends on male because male sperm contains XY chromosome, whereas female has XX chromosome in their ovum.
UnattemptedAssertion is false. In human, sex determination of offspring depends on male because male sperm contains XY chromosome, whereas female has XX chromosome in their ovum.
- Question 15 of 20
15. Question
At which stage in its life cycle, does the silk worm yield the fibre of commerce? [2000]
CorrectSilk worm yield the fibre from pupa stage, which is commercially used to produce clothes.
IncorrectSilk worm yield the fibre from pupa stage, which is commercially used to produce clothes.
UnattemptedSilk worm yield the fibre from pupa stage, which is commercially used to produce clothes.
- Question 16 of 20
16. Question
Match List-I (Disease) with List-II (Types of disease) and select the correct answer using the codes given below: [2000]
List-I List-II
A. Haemophilia 1. Deficiency disease
B. Diabetes 2. Genetic disease
C. Rickets 3. Hormonal disorder
D. Ringworm 4. Fungal infectionCorrectHaemophilia – Genetic disease caused in sex-linked gene.
Diabetes – Hormonal disorder disease caused by imbalance of insulin hormone.
Rickets – Nutritional deficiency disease caused by deficiency of vitamin–D.
Ringworm – Caused by fungus.IncorrectHaemophilia – Genetic disease caused in sex-linked gene.
Diabetes – Hormonal disorder disease caused by imbalance of insulin hormone.
Rickets – Nutritional deficiency disease caused by deficiency of vitamin–D.
Ringworm – Caused by fungus.UnattemptedHaemophilia – Genetic disease caused in sex-linked gene.
Diabetes – Hormonal disorder disease caused by imbalance of insulin hormone.
Rickets – Nutritional deficiency disease caused by deficiency of vitamin–D.
Ringworm – Caused by fungus. - Question 17 of 20
17. Question
The blood glucose level is commonly expressed as [2000]
CorrectThe glucose level in blood is commonly expressed as milligram per decilitre.
IncorrectThe glucose level in blood is commonly expressed as milligram per decilitre.
UnattemptedThe glucose level in blood is commonly expressed as milligram per decilitre.
- Question 18 of 20
18. Question
Match List-I (Endocrine glands) with List-II (Hormones secreted) and select the correct answer using the codes given below: [2000]
List-I List-II
A. Gonads 1. Insulin
B. Pituitary 2. Progesterone
C. Pancreas 3. Growth hormones
D. Adrenal 4. CortisoneCorrectProgesterone is secreted from gonads. Growth hormone is secreted from pituitary gland. Insulin hormone is secreted from pancreas. Cortisone is secreted from adrenal gland.
IncorrectProgesterone is secreted from gonads. Growth hormone is secreted from pituitary gland. Insulin hormone is secreted from pancreas. Cortisone is secreted from adrenal gland.
UnattemptedProgesterone is secreted from gonads. Growth hormone is secreted from pituitary gland. Insulin hormone is secreted from pancreas. Cortisone is secreted from adrenal gland.
- Question 19 of 20
19. Question
The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by [2000]
CorrectFatigue is caused by excess anaerobic metabolism, which results in production of excess lactic acid. This accumulated lactic acid causes the muscle pain.
IncorrectFatigue is caused by excess anaerobic metabolism, which results in production of excess lactic acid. This accumulated lactic acid causes the muscle pain.
UnattemptedFatigue is caused by excess anaerobic metabolism, which results in production of excess lactic acid. This accumulated lactic acid causes the muscle pain.
- Question 20 of 20
20. Question
A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel [2000]
CorrectSilica gel granule is a network of inter-connecting microscopic pores, which attract and hold moisture by the phenomena known as absorption.
IncorrectSilica gel granule is a network of inter-connecting microscopic pores, which attract and hold moisture by the phenomena known as absorption.
UnattemptedSilica gel granule is a network of inter-connecting microscopic pores, which attract and hold moisture by the phenomena known as absorption.