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Selected Biology Questions from Previous SSC CHSL papers

Jan 23, 2017 18:15 IST

Staff Selection Commission is a government recruitment organization that conducts combined higher secondary level examination every year to select candidates for lower division clerks and data entry operators mainly in various government departments. The preliminary part of the examination contains questions from General Awareness in which biology is also included. In this article, we are bringing to you, questions from previous year papers of the SSC CHSL in order to introduce to you the pattern and the difficulty level of questions that are asked in this exam.

SSC CHSL: Previous Year Papers

SSC CHSL is a very popular examination and you require being well conversant with the pattern and a difficulty level of questions in this examination in order to succeed in this examination. Let us see the type of biology questions asked in this exam: -

1. Which cells in our body have the least regenerative power?

(a) Brain cells (b) Muscle cells (c) Bone cells (d) Liver cells

2. A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What color change will be noticed?

a)  From brow to blue-black

b)  From brown to orange-red

c)   From blue to pink

d)  From pink to blue-green

3. How many values does a human heart have?

(a) Four (b) Three (c) Two (d) One

4. The cells which are responsible for the production of antibodies are

 (a) red blood cells (b) neutrophils (c) lymphocytes (d) platelets

5. The source of the enzyme, diastase is

(a) Salivary gland (b) stomach (c) liver (d) pancreas

6. Mycoplasma is associated with a disease that affects the organs of

(a) Respiration (b) excretion (c) reproduction (d) digestion

7. Which one of the following pairs is correctly matched?

(a) Tetanus-BCG (b) Tuberculosis-ATS (c) Malaria-Chloroquin (d) Scurvy-Thiamin

8. A person having AB-group of blood and donate blood to person having

(a) A-group (b) B-group (c) AB-group (d) O-group

9. Why do birds not have respiratory trouble at the time of flying at high altitude?

(a)    Their lungs are very large

(b)   They fly inactively

(c)    They have extra air sacs

(d)   They use less oxygen

10. Tuberculosis infection is by means of:

(a) Mycobacterium avonin (b) Staphylococcus (c) Mycobacterium tuberculosis (d) Streptococcus

11. The abnormal constituent of urine is

(a) Urea (b) creatinine (c) albumin (d) sodium

12. The disease that is caused by virus is:

(a) Typhoid (b) Cholera (c) Common cold (d) Malaria

13. In plants water is absorbed by the root hairs by a process called:

(a) Transpiration (b) Respiration (c) Perspiration (d) Osmosis

14. The element which is required by the plant in large quantity:

(a) Calcium (b) Nitrogen (c) Phosphorus (d) Sulphur

15. Which one of the following gives energy to our body?

(a) Vitamins (b) Water (c) Carbohydrates (d) Proteins

16. Which of the following pairs has an open type of circulatory system?

(a) Earthworm and Leech (b) Man and Whale (c) Cockroach and Silverfish (d) Tadpole larva and Fish

17. Which of the following animals does not have a nervous system?

(a) Leech (b) Tapeworm (c) Amoeba (d) Snail

18. Which of the following causes Malaria?

(a) Insect (b) Bacteria (c) Protozoa (d) Virus

19. Deposition of uric acid crystals at the joint is the cause of

(a) Arthritis (b) Osteoporosis (c) Osteomalacia (d) Rickets

20. Which of the following cytoplasmic organelles are treated as prokaryotic cells withing the eukaryotic cells?

(a) Mitochondria (b) Golgi bodies (c) Lysosomes (d) Glyoxysomes

21. Nitrogenous food is

 (a) Carbohydrate (b) Lipid (c) Protein (d) Salts

22. Which one of the following organs excretes water, fat and various catabolic wastes?

(a) Kidney (b) Skin (c) Spleen (d) Salivary glands

23. Archaeopteryx had the following reptilian characters

(a)    Teeth on jaw, tail, break

(b)   Clawed wings, teeth on jaw, tail

(c)    Clawed wings, scales, feathers

(d)   Teeth on jaw, feathers, tail

24. Which of the following vertebrates lack exoskeleton?

(a) Amphibia (b) Mammalian (c) Aves (d) Chondrichtyes

25. Which of the following branches deals with the interaction of same species of living organisms with their non-living environment?

(a) Autecology (b) Synecology (c) Ecology (d) Paleontology

26. Which of the following organelles is called ‘Atom bombs’?

(a) Microtubules (b) Nucleolus (c) Golgi bodies (d) Lysosome

27. From the bark of which plant is quinine extracted?

(a) Eucalyptus (b) Cinchona (c) Neem (d) Cedar

28. Hypertension is the term used for

(a)    Increase in heart rate

(b)   Decrease in heart rate

(c)    Decrease in blood pressure

(d)   Increase in blood pressure

29. The color change in chameleon is due to the presence of which among the following?

(a)    Hemoglobin

(b)   Chromatophore

(c)    Chlorophyll

(d)   Lycosil

30. The deficiency of iodine leads to which, among the following?

(a)    Hypertension

(b)   Goiter

(c)    Anemia

(d)   None of the above

31. Two richest known sources of edible protein are –

(a)    Meat and eggs

(b)   Micro organisms and algae

(c)    Soyabean and ground nut

(d)   Milk and leafy vegetables

32. The saliva helps in the digestion of –

(a)    Starch

(b)   Protein

(c)    Fat

(d)   Fibers

33. Which among the following correctly explains the phenomenon of a Test Tube Baby?

(a)    When every process of embryo formation takes place in the test tube

(b)   When the embryo develops in the test tube

(c)    When the fertilization is external and development is internal

(d)   When the fertilization is internal and development is external

34. Heart attack occurs due to –

(a)    Bacterial attack on the heart

(b)   Stopping of heart beat

(c)    Stopping of supply of blood to the heart

(d)   Impatient of heart’s working due to some unknown reasons

35. Biodegradable waste can easily be converted into useful substances by the use of –

(a)    Bacteria

(b)   Nuclear Proteins

(c)    Radioactive substances

(d)   Viruses

36. Which among the following glands is responsible for secretion of sex hormones?

(a)    Pituitary gland

(b)   Sebaceous gland

(c)    Thyroid gland

(d)   Adrenal gland

37. In cauliflower the useful part is which among the following?

(a)    Underground stem

(b)   Root

(c)    Inflorescence

(d)   Leaves

38. The Total number of muscles present in the human body is –

(a)    556

(b)   665

(c)    565

(d)   656

39. The fastest growing plant in the world is –

(a)    Bamboo

(b)   Rice

(c)    Teak

(d)   Money plant

40. Which one among the following is an egg laying mammal?

(a)    Bat

(b)   Whale

(c)    Monotreme

(d)   Kangaroo

41. From which animal is Rh factor derived its name?

(a)   Monkey

(b)   House Fly

(c)    Dog

(d)   Cat

42. Normal hemoglobin content per 100 ml of a normal adult man is –

(a)    11.5 gm

(b)   12.5 gm

(c)    13.5 gm

(d)   14.5 gm

43. The Fibrous bone joint is found in the –

(a)    Leg

(b)   Jaw

(c)    Skull

(d)   Brain

44. Who coined the term gene?

(a)    Mendel

(b)   Beadle

(c)    Johannsen

(d)   Watson

45. Saprophytes are organisms which depend for food on –

(a)    Living plants

(b)   Living animals

(c)    Dead and decaying animals

(d)   Inorganic chemical products

46. RBCs do not perform aerobic respiration due to the absence of –

(a)    Mitochondria

(b)   Nucleus

(c)    Endoplasmic Reticulum

(d)   Lysosomes

47. A cross between homozygous recessive and heterozygous plant is known as –

(a)    Back cross

(b)   Test cross

(c)    Monohybrid cross

(d)   Di-hybrid cross

48. DNA contains –

(a)    Pentose sugar

(b)   Hexose Sugar

(c)    Erythrose sugar

(d)   Sedoheptulose sugar

49. The most abundant enzyme in the living world is –

(a)    Invertase

(b)   DNAse

(c)    Zymase

(d)   Rubisco

50. In onion the edible part is

(a) Leaf (b) Root (c) Stem (d) Flower

SSC CHSL is an annual recruitment exercise which is mainly aimed at recruiting candidates for the posts of data entry operator and lower division clerks various government departments. It is a very popular examination among the candidates and in the first part of the examination, you have to face questions from various subjects of general awareness which also includes questions from biology. So, prepare all the subjects of general awareness in order to score as much as possible in the tier I examination and you will definitely be in the final list.

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All the best!!

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