ECOSYSTEM, REPRODUCTION, SUPPORT, AND MOVEMENT Macq's Past Paper BIOLOGY
1. Syphilis is caused by A) Neisseria gonorrhoeae. C) Treponema pallidum. B) Cats worm. D) Herpes simplex.
2. In general,
asexual reproduction is common in A) Humans. C) Deuteromycota. B) Basidiomycota. D) Basidiospores.
3. Which of the following belong to collenchyma cells? A) Fibers. C) Sclereides. B) Vessels. D) None of these.
4. Pick the
paratonic movement from the following A) Nastic. C) Growth. B) Turgor. D) Tactic.
5. Which of the
following has 40 chromosomes? A) Corn.
C) Frog. B) Sugarcane. D)
Mouse.
6. Which of the
following promotes both leaf and fruit growths? A) Auxins. C) Abscisic acid. B) Gibberellins. D) Ethane.
7. In __________
zone the light is insufficient to support photosynthesis. A) Desert. C) Littoral. B) Profundal. D) All of these.
8. The joints that
allow movements in several directions are:
A) Hinge Joints C) Fibrous
Joints B) Ball and Socket Joints D) Cartilaginous Joints
9. The collagen
fibers of bone are hardened by the deposit of:
A) Calcium phosphate C)
Calcium carbonate B) Calcium
oxalate D) Calcium bicarbonate
10. Newborn infant may
acquire serious eye infections if his/her mother has: A) Genital herpes C) Gonorrhea B) AIDS
D) Syphilis
11. The muscles that
control urine in the bladder are known as A) Striated muscles C) Sphincter muscles B) Smooth
muscles D) Circular muscles
12. The living cells
of cartilage are called A) Chondrocytes
C) Osteocytes B) Osteoblasts
D) Osteoclasts
13. The disease which
causes immobility and fusion of vertebral joints is A) Osteomalacia (soft
bones) C) Arthritis B) Disc slip D) Spondylosis
14. During muscle
contraction A) I-band shortens C)
Actin filaments shorten B) Myosin filaments shorten D) Z-line disappears
15. Group of
interbreeding individuals of particular species, sharing a common geographical
area is called: A) Population C)
Community B) Community ecology D)
Autecology
16. Ozone filters
ultraviolet radiations from the sun in the upper A) Biosphere C) Lithosphere B) Atmosphere D) Hydrosphere
17. A parasite living
inside the body of the host is called A) Ectoparasite C) Facultative parasite B) Obligate
parasite D) Endoparasite
18. An association
between two organisms benefiting both is called A) Commensalism C) Predation B) Parasitism D) Symbiosis
19. In an aquatic
ecosystem, human activities may accelerate the process of A)
Eutrophication C) Decomposition B)
Photosynthesis D) Recycling
20. The natural heat
energy trapped underground is A) Geothermal energy C) Electric energy B) Thermal energy D) Solar energy
21. Which of the
following is the lowest level of biological organization with respect to
others? A) Multicellular organisms C)
Species B) Biosphere D) Population
22. Which one of the
following is depleting and causing thinning of ozone? A) Chlorine C) Chlorofluorocarbon B) Bromine D) Carbon
23. The typical
environment of a particular organism population community is called A)
Niche C) Habitat B) Ecosystem D) Biosphere
24. Enrichment of
nutrient in an environment due to anthropogenic activities is called A)
Archeotrophication C) Enrichment B)
Eutrophication D) Low Trophication
25. In an ecosystem,
mycorrhiza is an example of A) Symbiosis
C) Commensalism B) Predation
D) Parasitism
26. Successive stages
of eating and being eaten by which recycling of materials and flow of energy
takes place is called A) Food Chain
C) Trophic Level B) Food Web
D) Food Link
27. A type of cell in
human testes which produce testosterone is called A) Interstitial Cells C) Sertoli Cells B) Germ Cells D) Spermatocytes
28. Breakdown of
endometrium during menstruation is due to A) an increase in Level of LH C) an increase in Level of Progesterone B) The decrease in Level of Progesterone D)
Increase in Level of Oestrogen
29. Oogonia are
produced in the germ cells A) Both Uterus and Cervix C) Uterus B) Cervix D) Ovary
30.what is the
main function of leutinizing hormone A)Development of Zygote C)Breakdown of Oocyte
31.Syphilis is a sexually transmitted disease which is
caused by A) HIV / AIDS C) Treponema
Pallidum B) Pseudomonas Pyogenes D)
Neisseria
32. Muscle is made up
of many cells which are referred to as A,) Myofilaments C) Sarcolemma B) Myofibrils D) Muscles Fiber
33. The length of
myofibril from one Z-band to the next is known as A) Sarcomere C) Sarcoplasm B) Sarcolemma D) Muscle Fiber
34. Calcium ions
released during a muscle fiber contraction attach with A) Myosin C) Tropomyosin B) Actin D) Troponin
35. A muscle condition
resulting from the accumulation of lactic acid and ionic imbalance is A)
Tetany C) Cramp B) Muscle
Fatigue D) Tetanus
36. The pigment which
stores oxygen in muscles is A) Hemoglobin
C) Myosin B) Myoglobin D)
Actinomyosin
37. The number of
cranial nerves in human is A) 31 pairs
C) 24 pairs B) 12 pairs D)
62 pairs
38. The part of the brain
which controls breathing, heart rate, and swallowing is A) Cerebrum C) Medulla B) Cerebellum D) Hypothalamus
39. Syphilis is a sexually transmitted disease which is caused by A) Neisseria gonorrhoeae C) Treponema pallidum B) E. coli D) Mycobacterium avium
40. Discharge of ovum
or secondary oocyte from the ovary or from Graafian follicle is called A)
Fertilization C) Follicle formation
B) Pollination D) Ovulation
41. Second meiotic
division in the secondary oocyte proceeds as far as A) Metaphase C) Anaphase B) Prophase D) Telophase
42. Which one of the
following differentiates directly into mature sperm? A) Primary
spermatocyte C) Spermatogonia B)
Secondary spermatocyte D) Spermatid
43. Uterus opens into
the vagina through A) Cervix C)
External genitalia B) Fallopian tube
D) Vulva
44. Each muscle fiber
is surrounded by a membrane which is called A) Sarcomere C) Twitch fiber B) Sarcolemma D) Capsule
45. When calcium ions
are released from the sarcoplasmic reticulum they bind with ________ during
muscle contraction A) Tropomyosin C)
Cytosol’s ions B) Sarcolemma D)
Troponin
46. Human and the mammalian skeleton can be divided into two parts, axial skeleton, and A)
Appendicular skeleton C) Endoskeleton
B) Exoskeleton D) Hydrostatic
skeleton
47. Last four
vertebrae in humans are fused to form a structure called A) Sacrum C) Pubis B) Cervical vertebrae D) Coccyx
48. How many bones are
involved in the formation of each half of the pelvic girdle? A) 3 bones C) 2 bones B) 4 bones D) 1 bone
49. Population of
different species (plants and animals) living in the same habitat form A)
Community C) Biosphere B)
Ecosystem D) Microhabitat
50. Spermatogonia
differentiate directly into? A) Primary spermatocytes C) Spermatozoa B) Secondary
spermatocytes D) Spermatids
51. Treponema
palladium causes? A) AIDS C)
Syphilis B) Genital herpes D)
Gonorrhea
52. What is the
location of interstitial cells in testes? A) Inside the seminiferous tubules C) Among the germinal epithelial cells B)
Between the seminiferous tubules D)
Around the testes
53. A type of cells in
human testes which produce testosterone are called? A) Germ cells C) Interstitial cells B) Sertoli
cells D) Spermatocytes
54. The hormone
produced from corpus luteum is: A) Prolactin C) Progesterone B) FSH D) LH
55. The length of
myofibril from one Z-band to the next is described as: A) Sarcolemma C) Sarcomere B) Sarcoplasm D) Muscle fiber
56. The Ca++ ions
released during a muscle fiber contraction attach with: A) Myosin C) Troponin B) Actin D) Tropomyosin
57. The joint that
allows the movement in several directions is called: A) Hinge joint C) Cartilaginous joint B) Ball and Socket
joint D) Fibrous joint
58. Where can we find
the H zone in the figure of the fine structure of skeletal muscle's myofibril?
A)In I-band C) Along the I-band B) In the mid of A band D) Besides the Z-line
59. First vertebra of
the cervical region of the vertebral column is known as: A) Atlas C) Thoracic B) Sacral D) Axis
60. Testosterone is
produced by which one of the following? A) Spermatogonia C)Germinal epithelium B)Interstitial cells D)
Sertoli cells
61. The oocyte
released during ovulation is in A) Anaphase I C) Metaphase I B) Prophase I D) Metaphase II
62. Yellowish
glandular structure formed after the release of egg from follicle is called A)
Corpus callosum C) Corpus luteum B)
Graafian follicle D) Follicle
atresia
63. On puberty, the
development of primary follicles is stimulated by A) ICSH C) LH B) FSH D) Estrogen
64. Causative agent of
a sexually transmitted disease that affects the mucous membrane of the urinogenital
tract is A) Staphylococcus aureus C)
Neisseria gonorrhoeae B) Treponema pallidum
D) Escherichia coli
65. In a human
vertebral column, the number of ______________ vertebrae is 7. A) Cervical C) Lumber B) Thoracic D) Sacrum
66. Which one of the following structures holds the bones together? A) Joints C) Fibrous capsules B) Cartilages D) Ligaments
67. Which one of the
following cartilages is the most abundant in the human body? A)Hyaline
Cartilage C)Chondrus cartilage
B) Fibrous Cartilage D) Elastic cartilage
68. The repeated
protein pattern of myofibrils is called A) Sarcomere C) Sarcolemma B) Zyomere D) Cross bridges
69. When more energy
is required in muscle contraction then that energy can also be produced by
_______________ as a secondary source. A) Glucose C) Fructose B) Phosphocreatine D) Lactic acid
70. Individual
successions are known as A) Primary successions C) Seres B) Secondary successions D) Xeroses
1.
Which
one of the following is the ultimate distributional unit within which a species
is restrained by the limitations of its physical structure and physiology? A)
Niche B) Biome C) Ecosystem D)
Habitat
2.
All
herbivores belong to which trophic level in the food chain? A) T1 C) T3 B) T2 D) T4
3.
The
relationship in which one organism gets the benefit and the other is not affected
is called A) Mutualism C) Predation
B) Commensalism D) Parasitism
4.
During
successions, the first organisms that develop on the bare rock are A) Lichens C) Moss
B) Shrubs D) Herbs
5.
In
human testis, which structure is responsible for carrying sperm from inside the
testis? A) Seminiferous tubules C) Seminal Vesicles B) Urinogenital duct D) Vasa efferentia
6.
In
which part of the female reproductive system fertilization takes place? A) Proximal part of oviduct C) Placenta
B) Uterus D) Vagina
7.
In
females, FSH stimulates the ovary to produce:
A) Progesterone C)
Oestrogen B) Lactin D) Oxytocin
8.
Syphilis, the sexually transmitted disease is caused by:
A) HIV C) Neisseria
gonorrhea B) Treponema pallidum D) Type ‘2’ virus
9.
In
which phase of the human female menstrual cycle, the endometrium prepares for the
implantation of the embryo? A) Proliferative
phase C) Secretory phase B) Menstrual phase D) Ovulation phase
10. The total number of cervical and
thoracic vertebrate in the human vertebral column is A) 7
C) 14 B) 19 D) 33
11. A sarcomere is the region of a
myofibril between two successive: A)
M-lines C) I-bands B) Z-lines D) T-tubules
12. The sarcolemma of muscle fiber folds
inwards and forms a system of tubes which runs through the sarcoplasm
called: A) Myofilaments C) Z-lines
B) Sarcoplasmic reticulum D)
Transverse tubules
13. According to sliding filament theory,
when muscle fibers are stimulated by the nervous system, which of the following
changes occurs? A) I-bands shorten C) Z-lines move further apart B) H-zone becomes more visible D) A-bands shorten
14. If lactic acid builds up in thigh
muscles, it causes muscle tiredness and pain. This condition is called: A) Muscle Fatigue C) Cramps
B) Tetany D) Oxygen debt in muscles
15. Events of the menstrual cycle are
regulated by the: A) Ethylene C)
Auxins B) Gonadotrophins D)
Gibberellins
16. Decrease of FSH and increase of
estrogen cause the pituitary gland to secrete: A) Somatotropin C) Testosterone B) Luteinizing
Hormone D) Spermatogonium
17. Transmission of Neisseria gonorrhea is
best described by which one of the following? A) Oro-fecal Route C) Vector-Borne B) Unsafe Sex D) Droplet Infection
18. Syphilis is caused by A)
Spirochete C) Water blooms B)
Nostoc D) Cyanobacteria
19. AIDS is caused by A) Bacteria C) Fungi B) Virus D) Alga
20. Brain is protected and enclosed in A)
Lumbar vertebrae C) Vertebral column
B) Coccyx D) Cranium
21. Longest bone in the human skeleton is:
A) Ulna C) Tibia B) Fibula D) Femur
22. Hips and shoulder joints are examples
of A) Hinge Joints C) Synovial
Joints B) Ball and Socket Joints D)
Cartilaginous Joints
23. In the pelvic region of the human body, the sacrum
is formed by the fusion of A) 4 Vertebrae
C) 6 Vertebrae B) 5 Vertebrae
D) 3 Vertebrae
24. Each muscle fiber is surrounded by a
modified cell membrane called: A) Sarcolemma C) Myosin Filament B) Sarcomere D) Myofilament
25. The organisms of third trophic level
are A) Primary consumer C) Tertiary
consumer B) Primary producer D)
Secondary consumer
26. The ultimate source of energy in an
ecosystem is A) Photosynthesis C)
Plants B) Sun D) Water
27. All the food chains and food webs
begin with: A) Detritus C) Green
plants B) Herbivores D) Omnivores
28. The change from bare rock or open area
is rapid, especially in the initial stages, and follows a series of recognizable
and hence predictable stages. This process is called: A) Pioneers C) Succession B) Xerosere D) Secondary succession
29. The decline in the thickness of the ozone
layer is caused by A) Increasing level of nitrogen oxide C) Decreasing level of CFCs B) Decreasing level of O2 D) Increasing level of CFCs
30. Placenta passes out through the vagina a)10-20 minutes after birth b)10-15 minutes after birth c)10-30 minutes after birth d)10-45 minutes after birth