TNPSC Biology 24 August 2020 Question paper with Answers Key- TNPSC conducted JUNIOR SCIENTIFIC OFFICER IN FORENSIC SCIENCES DEPARTMENT IN THE TAMIL NADU FORENSIC SCIENCE SUBORDINATE SERVICE, 2015-2019 exam on 24 August 2020 FN from 10.00 AM to 12.30 PM. Here we are providing some of the questions asked in TNPSC Biology Paper.
Vertebrates are …………..?
Good regeneration Power
Amnion helps in ……….?
Protection from shocks
The amphibian cave – dweller is ………?
Spelerpes maculicanda
Which is a digenetic nematode parasite?
Wucheria bancrofti
Human Karyotypes are routinely prepared from?
Leucocytes
……… was the first step in human evolution?
Bipedalism
Which inhibits the conduction of nerve impulses?
Acetyl Choline
The first life in earth was originated during early ……..?
Archaeozonic Era
Free Limbs of frog, bird, whale and man is an example for?
Homologous organs
The length of silk thread produced by a single caterpillar is?
1000-1500 m
TNPSC Biology 24 August 2020 Paper
The monoecions animals have?
Male and female reproductive organs
Drugs involved in lowering Cholestrol in blood?
Statins
The first line of screening test for diabetes is?
Glycosuria
Which is a specific carcinogenicity test?
Ames Test
DMA damage in cell can be detected by?
Single cell gell electrophoresis
A PCR Based molecular genetic marker is?
RFLP
Which method Protein antigens are detected?
Western Blotting
About 60% of the Semen volume is derived from?
Seminal Vericles
The length of the Primer sequence for RAPD technique is?
10 nucleotides
Growth in broth cultures occurs mainly in the form of?
Heavy surface Pellicle
Biology
TNPSC Biology 24 August 2020 Questions and answers
The term Virulence refer to the?
Intensity of Pathogenocity
Ephedrine is a ……….?
Alkaloid
Photosynthesis is a ……?
Anabolic process
Chlororespiration occurs in….?
Chloroplasts
……. Is used as a food in space-fights?
Chlorella
The term Urticle means?
Membrane Sac surrounding Ovary
In plant cells the middle lamella chiefly consists of?
Calcium Pectate
………. Are the ribonucleo-protein bodies in a cell?
Ribosomes
The Assessment of microbial diversity by the use of microarray called?
Phylochip
The cepthalothorax is divided into ………. Segments in class Psycnogonida?
3
TNPSC Biology 24 August 2020 paper with Key
Cordiaitales do not resemble ……. Order?
Calamitales
The most important Indian Fossil of Cycads is?
Williamsonia Sewardiana
Which tree is a popularly called as Soapnut Tree?
Sapindus emarginacus
Annual rings are distrinct in plant growing in?
Temperate regions
In flowering plants, meiosis occurs at the time of?
Formation of Pollen grains
Double fertilization was discovered by?
Nawaschin
Protability of water can be gauged by the presence of?
Enterobacter aerogens
……… product is produced by Rhizopus nigricans?
Fumaric Acids
What are Piezophilic microbes?
Microbes growing in high atmospheric pressure
Introduction of foreign gene for improving genotype is called?
Genetic Engineering
TNPSC Biology Answers Key 24 August 2020
The precursor to melatonin is?
Serotonin
Peternity test is based on?
Serotonin
Central cotton institutes is located?
Nagpur
Bryophyte named moss cotton is?
S phagnum
Hart man’s sign occurs during?
Ovulation
Father of American forensic Anthroplology?
Thomas Dwight
Which is the method of studying growth?
Cross sectional method, Longitudinal method
Trisanic condition for the chromosome no. 18?
Edward Syndrome
Action Anthropology is ………?
The study related to applied anthropology
Snakes are classified under the Subclass?
Diapsida
Respiration in arachnids is affected by?
Booking
TNPSC Biology 24 August 2020 Full Question Paper & Key