#1. Pneumoconiosis effects the workers who work mainly in ( 2005)

Tanneries

coal mining industry

Distillerie

Glass industry

#2. Assertion (A) : The person with Diabetes insipidus feels thirsty. Reason (R) : A person with Diabetes insipidus suffers from excess secretion of vasopressin. [2005]Both A and R are individually true and R is the correct explanation of A

Both A and R are individually true and R is the correct explanation of A

Both A and Rare individually true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

#3. Assertion (A) : Amoeba reproduces by fission. Reason (R) : All unicellular organisms reproduce by asexual methods. [2005]

Both A and R are individually true and R is the correct explanation of A

Both A and Rare individually true but R is not the correct explanation ofA

A is true but R is false

A is false but R is true

#4. Assertion (A) : All the proteins in our food are digested in small intestine only. Reason (R) : The protein-digesting enzyme from pancreas are released into small intestine. [2005]

Both A and R are individually true and R is the correct explanation of A

Both A and Rare individually true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

#5. Which of the following diseases of milching animals are infectious ? [2005]

Foot and mouth disease

Anthrax

Black Quarter

#6. Consider the following statements: [2005] 1. Dengue is a protozoan disease transmitted by mosquitoes. 2. Retro-orbital pain is not a symptom of dengue. 3. Skin rash and bleeding from nose and gums are some of the symptoms of dengue. Which of the statements given above is/are correct?

1 and 2

3 only

2 only

1 and 3

#7. Consider the following statements: [2004] 1. Femur is the longest bone in the human body. 2. Cholera is a disease caused by bacteria. 3. ‘Athlete’s foot’ is a disease caused by virus. Which of the statements given above are correct?

1 and 2

2 and 3

1 and 3

1,2 and 3

#8. Assertion (A) : Fatty acids should be a part ofthe balanced human diet. Reason (R) : The cells ofthe human body cannot synthesize any fatty acids. [2004]

Both A and R are individually true and R is the correct explanation of A

A is true but R is false

A is false but R is true

#9. In which organ ofthe human body, lymphocyte cells formed?(2004)

Liver

Long bone

Pancreas

Spleen

#10. Consider the following statements: 1.Toothless mammals such as Pangolins are not found in India. 2. Gibbon is the only ape found in India. Which of the statements given above is/are correct? [2004]

1 only

2 only

Both 1 and 2

Neither 1 and 2

#11. The hormone insulin is a [2004]

glycolipid

fatty acid

peptide

sterol

#12. Consider the following statements: [2004] 1. Non-functioning of lachrymal gland is an important symptom of deficiency of Vitamin A. 2. Deficiency of Vitamin B1 can lead to indigestion and heart enlargement. 3. Vitamin C deficiency can lead to pain in the muscles. ‘ 4. Deficiency of Vitamin D causes increased loss of Ca++ in urine. Which of the statements given above are correct?

1 and 2

2,3 and 4

1,3 and 4

1,2,3 and 4

#13. With reference to normal human beings, consider the following statements: [2003] 1. In response to the presence of HCl, secretin is produced from the duodenum. 2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids. Which of these statements is/are correct?

only 1

only 2

both 1 and 2

neither 1 and 2

#14. Which one of the following statements is not correct? [2003]

Milk contains none of the B-vitamins.

Vitamin-A (retinol) deficiency leads to dry and scaly skin.

One of the symptoms of scurvy is pain in the joints.

Vitamin B1 (thiamine) deficiency can lead to heart failure.

#15. With reference to the work of human kidney, consider the following statements [2003] 1. After the waste is removed in the kidney, the clean blood is sent back through renal artery. 2. From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein. Which of these statements is/are correct?

only 1

only 2

both1 and 2

neither 1 and 2

#16. Consider the following conditions of a sick human body [2003] 1. Swollen lymph nodes 2. Sweating at night 3. Loss of memory 4. Loss of weight Which of these are symptoms of AIDS?

1 and 2

2,3 and 4

1,3 and 4

1,2,3 and 4

#17. Octopus is [2003]

an arthropod

an echinoderm

a hemichordate

a mollusc

#18. With reference to the blood in a normal person, which one of the following statements is correct? [2002]

Compared to arteries, veins are less numerous and hold less of the body’s blood at any given time

Blood cells constitute about 70 percent of the total volume of the blood

White blood cells (WBC) are made by lymph nodes only

The blood has more platelets than WBC

#19. Ticks and mites are actually [2002]

Arachnids

Crustaceans

Insects

Myriapods

#20. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species? [2002]

Isolation

Mutation

Natural selection

Sexual reproduction

#21. Assertion (A) : Human diet should compulsorily contains glycine, serine and tyrosine. Reason (R) : Essential amino acids can not be synthesized in the human body. [2002]

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true both R is false

A is false but R is true

#22. Assertion (A) : Drinking of whisky increases the frequency of urination. Reason (R) : Alcohol intake speeds up the secretion of vasopressin in the body. [2002]

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

#23. Which one of the following statements is correct? [2002]

Prions are the smallest free-living cells.

The cell wall of Mycoplasma is made up of amino sugars

Viroids consist of single-stranded RNA molecule

Rickettsias lack cell wall

#24. Match List-I (Scientists) with List-II (Achievements) and select the correct answer using the codes given below: [2002] List-I (Scientists) List-II (Achievements) A. Arber and Smith 1. Developed transgenic plants with Agrobacterium T-DNA B. Feldman 2. Discovered endonucleases C. Mullis 3. Discovered reverse transcriptase D. Temin and 4. Discovered polymerase Baltimore chain reaction

(a) A – 2; B – 1; C – 4; D –3

A – 1; B – 2; C – 4; D –3

A – 2; B – 1; C – 3; D – 4

A – 1; B – 2; C – 3; D – 4

#25. Which one of the following statements is not correct? [2002]

All echinoderms are viviparous.

Roundworm has no circulatory system.

In bony fishes, swim bladder is usually present.

In cartilaginous fishes, fertilization is internal.

#26. Which one of the following is monogamous? [2002]

wolf

Walrus

seal

deer

#27. Match List-I (Indian wild life species) with List-II (Scientific names) and select the correct answer using the codes given below: [2002] List-I List-II (Indian wild life species) (Scientific names) A. Asiatic wild ass 1. Boselaphus tragocamelus B. Barasingha 2. Cervus duvauceli C. Chinkara 3. Equus hemionus D. Nilgai 4. Gazella gazella

A – 2; B – 3; C – 1; D – 4

A – 3; B – 2; C – 4; D – 1

A – 2; B – 3; C – 4; D – 1

A – 3; B – 2; C – 1; D – 4

#28. Foot and Mouth disease in animals, a current epidemic in some parts of the world, is caused by [2002]

bacterium

fungus

protozoan

virus

#29. With reference to the human body, consider the following statements: [2002] 1. The production of somatotropin goes up when a person exercises. 2. Men’s testes produce progesterone. 3. Women’s adrenal glands secrete testosterone. 4. Stress causes the adrenals to release very less amount of cortisol than usual. Which of the these statements are correct?

1,2,3 and 4

1,2 and 3

2,3 and 4

1 and 4

#30. When one gene controls two or more different characters simultaneously, the phenomenon is called [2002]

apomixis

pleiotropy

polyploidy

polyteny

#31. In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of [2002]

use and disuse of organs

adaptation to living in burrows

natural selection

inheritance of acquired characters

#32. Consider the following statements [2001] 1. Tapeworm is a hermaphrodite. 2. Round-worm has separate sexes. 3. Filaria is caused by a nematode. 4. Guinea-worm is an annelid. Which of these are correct?

1 and 2

1,2 and 3

3 and 4

2,3 and 4

#33. Match List-I with List-II and select the correct answer using the codes given below [2001] List-I (Bone) List-II (Name) A. Breast-bone 1. Clavicle B. Collar-bone 2. Patella C. Knee-cap 3. Scapula D. Shoulder blade 4. Sternum

A – 4; B – 1; C – 3; D – 2

A – 1; B – 4; C – 3; D – 2

A – 1; B – 4; C – 2; D – 3

A – 4; B – 1; C – 2; D – 3

#34. The cellular and molecular control of programmed cell death is known as [2001]

apoptosis

ageing

degeneration

necrosis

#35. Which of the following cell organelles play the most significant role in protein synthesis? [2001]

Lysosome and Centrosome

Endoplasmic reticulum and Ribosome

Golgi apparatus and Mitochondria

Lysosome and Mitochondria

#36. Which organelle in the cell, other than nucleus, contains DNA? [2001]

Centriole

Golgi apparatus

Lysosome

Mitochondrion

#37. Antigen is a substance which [2001]

destroys harmful bacteria

is used to treat poisoning

lowers body temperature

stimulates formation of antibody

#38. Match List-I with List-II and select the correct answer using the codes given below the lists [2001] List-I List-II (Substance) (Physiological role) A. Ptyalin 1. Converts angiotensinogen in blood into angiotensin B. Pepsin 2. Digests starch C. Renin 3. Digests proteins D. Oxytocin 4. Hydrolyses fats 5. Induces contraction of smooth muscles

A – 2; B – 3; C – 1; D – 5

A – 3; B – 4; C – 2; D – 5

A – 2; B – 3; C – 5; D – 1

A – 3; B – 1; C – 2; D – 4

#39. “Metastasis” is the process by which [2001]

cells divide rapidly under the influence of drugs

cancer cells spread through the blood or lymphatic system to other sites or organs

the chromosomes in cells nuclei are attached to the spindle before moving to the anaphase poles

cancer cells are successfully inhibited to divide any further

#40. Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation? [2001]

Complementary of the two strands

Double helix

Number of base-pairs per turn

Sugar-phosphate backbone

#41. Match List-I with List-II and select the correct answer using the codes given below: [2001] List-I List-II (Achievement in genetics) (Scientists) A. Discovery of transduction 1. Khurana and conjugation in bacteria B. Establishing the sex-linked 2. Kornberg inheritance C. Isolation of DNA polymerase 3. Lederberg from E. coli D. Establishing the complete 4. Morgan genetic code 5. Ochoa

A – 4; B – 3; C – 2; D –1

A – 3; B – 4; C – 1; D – 5

A – 4; B – 3; C – 1; D – 5

A – 3; B – 4; C – 2; D – 1

#42. A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion? [2001]

O, Rh–

O, Rh+

AB, Rh–

AB, Rh+

#43. In the eye donation, which part of the eye is transplanted from the donor? [2001]

Cornea

Lens

Retina

The whole eye

UPSC question paper – 2001 – 2005 –Biology

Results

#1. Pneumoconiosis effects the workers who work mainly in ( 2005)

#2. Assertion (A) : The person with Diabetes insipidus feels thirsty. Reason (R) : A person with Diabetes insipidus suffers from excess secretion of vasopressin. [2005]Both A and R are individually true and R is the correct explanation of A

#3. Assertion (A) : Amoeba reproduces by fission. Reason (R) : All unicellular organisms reproduce by asexual methods. [2005]

#4. Assertion (A) : All the proteins in our food are digested in small intestine only. Reason (R) : The protein-digesting enzyme from pancreas are released into small intestine. [2005]

#5. Which of the following diseases of milching animals are infectious ? [2005]

#6. Consider the following statements: [2005] 1. Dengue is a protozoan disease transmitted by mosquitoes. 2. Retro-orbital pain is not a symptom of dengue. 3. Skin rash and bleeding from nose and gums are some of the symptoms of dengue. Which of the statements given above is/are correct?

#7. Consider the following statements: [2004] 1. Femur is the longest bone in the human body. 2. Cholera is a disease caused by bacteria. 3. ‘Athlete’s foot’ is a disease caused by virus. Which of the statements given above are correct?

#8. Assertion (A) : Fatty acids should be a part ofthe balanced human diet. Reason (R) : The cells ofthe human body cannot synthesize any fatty acids. [2004]

#9. In which organ ofthe human body, lymphocyte cells formed?(2004)

#10. Consider the following statements: 1.Toothless mammals such as Pangolins are not found in India. 2. Gibbon is the only ape found in India. Which of the statements given above is/are correct? [2004]

#11. The hormone insulin is a [2004]

#14. Which one of the following statements is not correct? [2003]

#16. Consider the following conditions of a sick human body [2003] 1. Swollen lymph nodes 2. Sweating at night 3. Loss of memory 4. Loss of weight Which of these are symptoms of AIDS?

#17. Octopus is [2003]

#18. With reference to the blood in a normal person, which one of the following statements is correct? [2002]

#19. Ticks and mites are actually [2002]

#20. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species? [2002]

#21. Assertion (A) : Human diet should compulsorily contains glycine, serine and tyrosine. Reason (R) : Essential amino acids can not be synthesized in the human body. [2002]

#22. Assertion (A) : Drinking of whisky increases the frequency of urination. Reason (R) : Alcohol intake speeds up the secretion of vasopressin in the body. [2002]

#23. Which one of the following statements is correct? [2002]

#25. Which one of the following statements is not correct? [2002]

#26. Which one of the following is monogamous? [2002]

#28. Foot and Mouth disease in animals, a current epidemic in some parts of the world, is caused by [2002]

#30. When one gene controls two or more different characters simultaneously, the phenomenon is called [2002]

#31. In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of [2002]

#32. Consider the following statements [2001] 1. Tapeworm is a hermaphrodite. 2. Round-worm has separate sexes. 3. Filaria is caused by a nematode. 4. Guinea-worm is an annelid. Which of these are correct?

#33. Match List-I with List-II and select the correct answer using the codes given below [2001] List-I (Bone) List-II (Name) A. Breast-bone 1. Clavicle B. Collar-bone 2. Patella C. Knee-cap 3. Scapula D. Shoulder blade 4. Sternum

#34. The cellular and molecular control of programmed cell death is known as [2001]

#35. Which of the following cell organelles play the most significant role in protein synthesis? [2001]

#36. Which organelle in the cell, other than nucleus, contains DNA? [2001]

#37. Antigen is a substance which [2001]

#39. “Metastasis” is the process by which [2001]

#40. Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation? [2001]

#42. A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion? [2001]

#43. In the eye donation, which part of the eye is transplanted from the donor? [2001]

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