Note: select the best possible
option.
1.
The
elimination of nitrogenous wastes from body is called:
a) defecation b) excretion c) secretion d) all of these
2.
Perspiration
is meant for:
a)
excretion b) osmoregulation c) thermoregulation d) none
3.
What
is not true about muscle fibers? (39)
a) 10-100 μm b) stored glycogen c) stored myoglobin d) none
4.
On a
cool day the temperature of legs and arms is …….. than trunk:
a) several degrees lower b) higher c) same d) much higher
5.
T-system
encircles the myofibril at the level of:
a) Z-line b) A and I- junction c) all of these d)
none of these
6.
Which
of the followings is a paired bone?
a) mandible b) vomer c) palatine d) none of these
7.
Collagen
is not found in:
a) bones b) cartilage c) tendons d) none of these
8.
Which
of the followings is not involved in support in animals:
a) Muscle b)
cartilage c) bones d) none
9.
A
bundle of Axons and dendrites bounded by connective tissue is called:
a) Neuron b) nerve c) Grey matter d) white matter
10.
What
is the number of cranial and spinal nerves:
a) 12 and 13 b)
24 and 62 c) 12 and 31 d) none
11.
Chemical messengers are produced by:
a) Endocrine cells b) neurons
c) All of these d)
none
12.
Which
of the followings is the constituent of birth control pills:
a) Progesterone b) aldosterone c) Estrogens d) none
13.
Which
of the followings converts glucose into lipids and proteins:
a) Cortisol b) insulin c) Aldosterone d)
glucagon
14.
Transient
alterations in brain due to excessive rapid electric discharges in the grey
matter are found in:
a) Epilepsy b) Parkinsonism c) Alzheimer’s disease d)
none
15.
Autonomic
nervous systems use two neurons and:
a) One ganglion b) two ganglia c) Four ganglia d) none
16.
Cavities
in brain are called:
a) Corpus callosum b)
ventricles c) neurocoel d)
white matter
17.
Nicotine
affects
a)
Post-synaptic membranes in PNS b)
Acetylcholine receptors
c)
Digestive tract mobility
d) all of these
18.
Mechanoreceptors
are not present in:
a) Stomach b) ear
c) Carotid arteries d) none
19.
Sertoli cells are present:
a) among
semeniferous tubules b) in
semeniferous tubules
c) in uterus d)
in ovary
20.
The
cells meant for nourishment of sperm are:
a) Interstitial
cells b) sertoli cells c) germ
cells d)
none
21.
Primary
oocyte is formed by:
a) mitosis b) meiosis c) both d)
none of these
22.
In a
nucleotide, a nitrogenous base is attached to carbon No:
a) 5 b) 4 c)
3 d)
1
23.
By
analyzing the structure of normal and sickle cell hemoglobin, Vernon Ingrum
showed that sickle cell Anemia is caused by a change from glutamic acid to
……………..
a) Glycine b) Valine c) Alanine d) Arginine
24.
Brothers
having same parents are not similar due to:
a) Mitosis b) Synapsis c) Apoptosis d) Crossing over
25.
Obesity,
tallness, small testes and enlarged breast are found in individuals with ……………:
a) Klinefelter
Syndrome b) Down’s syndrome
c) Turner
Syndrome d) None of
these
26.
Number
of chromosomes in human egg is:
a) 44+XY b) 44+X c) 23
d) None of these
27.
The form of appearance of a trait is called:
a) genotype b) phenotype c) pleiotrpy
d) sex limited character
28.
When both the alleles of a gene pair in an
organism are same, the organism is called:
a)
homozygous b) hemizygous c) both “a” & “b” d) none of these
29.
A & B antigen can also be present in
saliva and other body fluids due to dominant gene “Se” on chromosome:
a) 19 b) 9 c) both “a” & “b” d)
11
30.
Bilirubin damages ……… cells and turns skin
and white of eyes, yellow. This condition is called Jaundice.
a) brain b) liver c)
kidney d) pancres
31.
When a single gene has multiple phenotypic
effects, the phenomenon is called:
a) multiple
allelism b) pleiotropy c) epistsis d) over dominance
32.
A woman is being treated with injection Rh
antiserum during early pregnancy. Guess the genotype of her husband:
a) D/D b) D/d c) “a” or “b” d) none of these
33.
A normal man whose father is albino has
married an albino lady. Which disorders other than albinism can occur in his
children?
a) diabetes b) leukemia c) sickle cell
anemia d) all of these
34.
Chromosome 7 is important due to:
a) tritanopia b) Albinism c) hemophilia C
d) none of these
35.
One of the Mahr Sagheer’s students is type O
whose mother is type A and father is type AB. The student should be:
a) h/h b) H/h c) H/H d) both
“b” or “c”
36.
Which of the following trait is not sex
linked recessive?
a) tfm syndrome b) deutranopia
c)
hypophosphatemic rickets d) blue
cone monochromacy
37.
Scientist
who is concerned with legal cases of rape and murder are:
a) Forensic
Scientist b) microbiologist
c) ethologist d) All of these
38.
PCR is
carried out in:
a) spectrometer b) centrifuge c) homogenizer d) thermocycler
39.
Ex-vivo
gene therapy is used to treat children having:
a) SCID b) AIDS c) cystic fibrosis d) both “a” &
“b”
40.
In
which disease a patient lacks a gene coding for trans-membrane carrier of chloride
ions:
a) SCID b) cystic fibrosis c) cancer d) None of these
41.
Which
protein is present in all aerobic organisms?
a) Cytochrome
b b) hemoglobin c) Cytochrome c d) both b & c
42.
Who
sent his theory to Darwin?
a) Wallace
(1913-23) b) George Cuvier (1769-1832)
c) Malthus
(1766-1834) d) Charles
Lyll (1797-1875)
43.
Analogous
organs are functionally alike but structurally different e.g. wings of bat,
birds and insects, are the examples of:
a) Convergent
evolution b) Homology
c) Divergent
evolution d) all of
these
44.
Conversion
of solid wastes into oils or gas is done by:
a) Bioconvertion b) pyrolysis c) hydrogenation d) All of these
45.
The
study of human populations and things which them is called:
a) Psychology b) demography c) Anthropology d) None
46.
Homo
sapiens have been on the earth for about…….. years:
a) 10,000 b) 20,000 c) 40,000 d) 60,000
Please add your Reaction
Dear biologists and students your suggestions and comments are precious for me. Mahr Saghir Ahmad
ReplyDeletedear sir i need short questions for part 1 biology chapter wise.plz guide me...thanks
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