Botany Notes for B SC M SC CSS PMS

Q.51  Treponema pallidum cause a disease (sexually transmitted) called:
A)  Genital Herpes.
C)  Gonorrhoa.
D)  Syphilis.
Q.52  The fertilization of ovum takes place in the proximal part of the:
A)  Uterus.
B)  Oviduct.
C)  Placenta.
D)  Urethra.
Q.53  Pregnancy is maintained by the:
A)  LTH (Luteotropic hormone).
B)  Progesterone.
C)  Corticosteroids.
D)  LH and FSH.
Q.54  At which month of pregnancy the human embryo is referred to as the fetus:
A)  3rd month.
B)  4th month.
C)  6th month.
D)  2nd month.
Q.55  Muscle fatigue is due to accumulation of:
A)  Lactic acid.
B)  ATP.
C)  Glucose.
D)  Fats.
Q.56  Diameter of skeletal muscle fiber is:
A)  2-50 μm.
B)  30-90 μm.
C)  10-100 μm.
D)  1-80 μm.
Q.57  Lining of digestive system contain the:
A)  Skeletal muscles.
B)  Skeletal and cardiac muscles.
C)  Cardiac muscles.
D)  Smooth muscles.
Q.58  The vertebral column consists of _______ vertebrae:
A)  33
B)  30
C)  28
D)  38
Q.59  The most abundant type of bone found on moveable joints is:
A)  Bone.
B)  Hyaline cartilage.
C)  Fibro-cartilage.
D)  Bone and fibro-cartilage.
Q.60  Which of the following is a hormone:
A)  Gastric juice.
B)  Pancreatic juice.
C)  Bile.
D)  Insulin.
Q.61  The hormones in the human body are produced by:
A)  Brain only.
B)  Liver only.
C)  Pancreas only.
D)  Different endocrine glands.
Q.62  Insulin is a hormone produced by:
A)  Thyroid gland.
B)  Parathyroid.
C)  Adrenaline gland.
D)  Pancreas.
Q.63  The hormone called Parathormone regulates calcium level in the blood. This hormone
is produced by:
A)  Gonads.
B)  Gut.
C)  Thyroid gland.
D)  Parathyroid.
Q.64  The chemical nature of antibody is:
A)  Glycoproteins.
B)  Glycolipids.
C)  Lipoproteins.
D)  Polysaccharides.
Q.65  Which chemicals are secreted by T-helper cells to stimulate B-plasma cells to divide:
A)  Interferons.
B)  Cytokines.
C)  Histamines.
D)  Fibrin.
Q.66  Which of the following is described as vaccination:
A)  Artificial active immunity.
B)  Natural active immunity.
C)  Artificial passive immunity.
D)  Natural passive immunity.
Q.67  B-lymphocytes and T-lymphocytes are formed:
A)  Before birth in bone marrow.
B)  Before birth in thymus gland.
C)  After maturity in blood.
D)  After birth in blood.
Q.68  The antibodies provided to infant through mother’s milk is an example of:
A)  Natural passive immunity.
B)  Artificial passive immunity.
C)  Natural active immunity.
D)  Artificial active immunity.
Q.69  Which of the following is not the end product of glycolysis:
A)  Pyruvate.
B)  ATP.
C)  Oxaloacetate.
D)  Reduced NAD.
Q.70  Which of the following process does occur for the formation of acetyl Co-A from
A)  Decarboxylation.
B)  Hydrogenation.
C)  Carboxylation.
D)  Deaminaiton.
Q.71  At the beginning of Krebs cycle, acetyl Co-A combines with which substance to form
citrate (6-C):
A)  Oxaloacetate.
B)  Oxoglutarate.
C)  Fumarate.
D)  Succinate.
Q.72  Which of the following are the end products of light dependent stage, used in the
Calvin cycle to change glycerate-3-phosphates into triose phosphates:
C)  RuBp + ATP
D)  O2 + NADPH
Q.73  Which of the following is not the end product of non-cyclic photophosphorylation:
A)  Reduced NADP.
B)  ATP.
C)  O2.
D)  CO2.
Q.74  Enzymes restriction endonucleases were isolated from:
A)  Viruses.
B)  Bacteria.
C)  Fungi.
D)  Protozoan.
Q.75  During polymerase chain reaction, how DNA double helix is separated:
A)  By heat treatment.
B)  By use of enzyme DNA Polymerase.
C)  By use of enzyme DNA Helicase.
D)  By use of enzyme DNA Ligase.
Q.76  Which enzyme is used to join the desired gene into the plasmid DNA during genetic
A)  DNA Helicase.
B)  DNA Ligase.
C)  DNA Polymerase.
D)  Taq Polymerase.
Q.77  Which of the following is an example of benefits of transgenic organisms produced
through genetic engineering:
A)  Production of antibiotics.
B)  Production of insulin.
C)  Production of anti-rabies vaccine.
D)  Production of anti-malarial drugs.
Q.78  In cystic fibrosis transportation of which ion is faulty, resulting into the production of
A)  Chloride.
B)  Fluoride.
C)  Calcium.
D)  Magnesium.
Q.79  A group of inter-breeding individuals occurring together in a space and time is called:
A)  Community.
B)  Population.
C)  Niche.
D)  Species.
Q.80  Which of these is biotic factor of the ecosystem:
A)  Air.
B)  Water.
C)  Soil.
D)  Photosynthetic plants.
Q.81  An association between organisms which brings benefit to both the organisms is
known as:
A)  Predation.
B)  Commensalism.
C)  Grazing.
D)  Symbiosis.
Q.82  When succession is completed, a great diversity of plants and a stable community is
seen, which is called:
A)  Hydrosphere.
B)  Pioneers.
C)  Climax community.
D)  Secondary succession.
Q.83  A thin layer of earth in which all living organisms exists is called:
A)  Ecosystem.
B)  Biosphere.
C)  Habitat.
D)  Xerosere.
Q.84  The branch of biology that provide evidence through fossil record is called:
A)  Vestigial structures.
B)  Comparative anatomy.
C)  Biogeography.
D)  Palaeontology.
Q.85  One of the factors given below does not effect gene frequency:
A)  Mutation.
B)  Migration.
C)  Genetic drift.
D)  Food.
Q.86  Charles Darwin gave the:
A)  Theory of special creation.
B)  Theory of Natural selection.
C)  Inheritance of acquired characters.
D)  Cell theory.
Q.87  A gene which has multiple phenotypic effect is called:
A)  Pleiotropic.
B)  Epistasis.
C)  Multiple allele.
D)  Locus.
Q.88  Change in the nature of gene is known as:
A)  Incomplete dominance.
B)  Pleiotropy.
C)  Mutation.
D)  Polygenic trait


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