SSC FCI AG-III Mains Exam – Biological Science Paper (Part III)
April 26, 2012 5 Comments
SSC Food Corporation of India (FCI) Recruitment Exam 2012
Main exam for Assistant Grade – III Posts
Solved Paper of Biological Sciences held on 15 April 2012
PART-III [101-150] (correct answers are highighted in deep saffron color)
|101. Amino acids are used as food additives for which of the following reasons?
a) As natural antibiotics
b) As natural growth inhibitors
c) For nutritive purposes
d) As antioxidants
Nyctalopia also called Night blindness is caused by defficiency of vitamin A.
|102. Lycopene is an important antioxidant normally present in high level in
|103. The most common hydrocarbon in natural gas is
|104. The main effect of DDT on birds is
a) fewer feathers
b) reduced growth
d) thinner egg-shell
|105. Which of the following is most hazardous?
a) Crop waste
b) Yard waste
c) Paper waste
|106. The fertile part of soil is
a) mineral water
b) soil air
d) soil water
|107. The main source of air pollution is
a) Factory exhaust
b) Automobile exhaust
d) Bad breath
The major source of air pollution in industrialized countries is car exhaust. Vehicular exhaust is a major
source of carbon monoxide. Carbon monoxide (CO) is highly dangerous. You can’t see it or smell it. In
fact it is often called “The Silent Killer”. Even a short term exposure to high levels of Carbon monoxide
can aggravate lung disease causing Asthma attacks.
|108. Majority of all living species on the Earth are found in
a) Tundra region
c) Tropical rainforest
d) Temperate region
|109. Cell organelle found only in plants
c) Golgi complex
|110. Enzymes are polymers of
a) Amino acids
b) Fatty acids
|111. Which trait can effectively be confered into a plant by a transgene?
a) Resistance to insects
b) Resistance to humans
c) Tolerance to light
d) Tolerance to snowfall
|112. What is the general term used to describe the degradation of pollutants using a biological apporach?
|113. Which genera of micro-organisms have the most diverse pathways for bioremediation?
|114. What is nanotechnology?
a) The individual manipulation of molecules and atoms to create materials with novel
or improved properties
b) The creation of new terms to describe very small, almost unimagniable particle in physics
c) The terms used to describe the size of cellular components
d) The transition of molecular biology into the physical sciences
|115. The colourless, odourless, tasteless radioactive gas present within homes and buildings is
|116. Pedology is the study of
|117. The absorption of zinc in the human digestive tract may be inhibited by the presence of
a) Plant fibre
b) Animal fibre
Zinc absorption is inhibited by phytic acid or phytates – phosphorus compounds – present in cereal grains.
|118. A species that is unique to a defined place or region and not found anywhere else is called
|119. The main cause of global rising sea levels is
a) Thermal expansion
b) Melting of glaciers
c) Melting of polar ice
d) Melting of Antarctica
|120. Anemometer is used to measure
a) wind density
b) wind velocity
c) wind speed
d) wind gravity
|121. Ketone bodies are produced by
Ketone bodies are manufactured by the Liver when too much protein is being used for energy.
|122. Normal urine has the following components
|123. The most peneterating rays are
a) alpha rays
b) beta rays
c) gamma rays
d) delta rays
|124. At what stage of cell division does the centromere divide?
|125. Genetic mapping is based on the linkage between
it on to a second substrate.
Genetic linkage is the tendency of certain loci or alleles to be inherited together.
|126.Most of the plants obtain nitrogen from the soil in the form of
c) nitric acid
d) nitrogen gas
Nitrate (NO3) is the second form of nitrogen which is available for plant uptake. In most soils, nitrate is highly mobile.
|127. The shape of metacentric chromosome is
b) Rod shaped
|128. Which of the following is not an autoimmune disorder?
a) Diabetes mellitus
b) Haemolytic anemia
c) Rheumatic fever
|129. The natural anticoagulant of blood in the vessle is
|130. Western blotting technique is used to detect the
|131. Which of the following is not a renewable energy resource?
d) Natural gas
|132. Streptomycin is used to cure the diseases caused by
|133.Antihaemorrhagic vitamin is also called as
a) Vitamin E
b) Vitamin K
c) Vitamin D
d) Vitamin B12
|134. The study of the action is known as
|135. Cholesterol level in blood is increased in all except
a) Nephrotic syndrome
b) Obstructive jaundice
|136. COLA refers
a) Crystine ornithine leucine arginine
b) Crystine ornithine lysine alanine
c) Crystine ornithine leucine alanine
d) Crystine ornithine lysine arginine
|137. Erythropoietin, the hormone involved in synthesis of RBCs, is released to blood circulation by
a) red blood cells
b) bone marrow erythroid progenitor cells
c) renal cells
d) hepatic cells
|138. Which among the following does not bind calcium?
|139. Plasma bicarbonate is transported across red blood cells by
c) Carbonic anhydrase
d) Band 3 protein
|140. Assertion (A) : Animals store energy in the form of triglycerides.
Reason (R) : Triglycerides can be converted to glucose whenever needed.
a) Both A and R are true, and R is the correct explanation of A
b) Both A and R are true, and R is not the correct explanation of A
c) A is true and R is false.
d) A is false and R is true. Glucose is the form of sugar used by human body as fuel to create energy in the cells. Humans and other
animals store energy (which are not needed for immediate use) in the form of fat (triglycerides) in specialized
cells called adipocytes (which means “fat cells.”). Insulin triggers the formation of triglycerides. Some cells,
such as brain cells, can only use glucose for energy. A portion of the triglyceride molecule i.e. glycerol molecule
contained in triglycerides can then be converted to glucose.
|141. The device used to introduce air into the liquid in a fermentor is termed as
|142. The Indian Collection of Industrial Microorganisms is located at
|143. The first virus crystallised by Stanely in 1935 was
a) Cauliflower mosaic virus
b) Tobacco mosaic virus
c) Gemini virus
d) Wound tumour virus
|144. During World War II, the microorganism used as an agent of bio-terrorism was
a) Bacillus anthracis
b) Brucella abortus
c) Resinia pestis
d) Clostridium botulinum
|145. The complete viral particle is known as
d) Virusoid A complete virus particle, known as a virion, consists of nucleic acid surrounded by a protective coat of
protein called a capsid.The virion has a spherical(ish) shell covered with surface proteins, and inside the
genome is made up of only 1 type of nucleic acid (DNA or RNA). They have no metabolic activity outside
the living cells. So a virion must rely on the metabolism of the cell it infects. The function of the capsid is to
protect the nucleic acid from inactivation by nucleases and other deleterious agents in the environment.
|146. The discovery of human blood group was made by
a) Emil Von Behring
d) Milstein Karl Landsteiner won the Nobel Prize in 1930 for his discovery of the ABO blood groups. He discovered that
there are several types of human blood and established the ABO-system based on haemagglutination.
|147. “Penicillin” the wonder drug was discovered first by Alexander Fleming from the culture of
a) Penicillium notatum
b) Penicillium chrysogenum
c) Penicillium funiculosum
d) Penicillium stoloniferum
|148. The term Cistron means a
a) unit of function
b) unit of mutation
c unit of recombination
d) unit of linkage
|149. Who developed the Rabies vaccine?
a) Robert Koch
b) Robert Gallo
c) Walther Hesse
d) Louis Pasture French chemist and biologist Louis Pasteur successfully tests his rabies vaccine on a human subject in 1885.
On July 6, 1885, the vaccine was administered to Joseph Meister, a 9-year-old boy who had been attacked
by a rabid dog.
|150. Sugar in the nucleotide is
|Click to See : Part – I Part – II Part – III Part – IV|
| Note : Write your comments/feedback in
regarding the highlighted answers in the comment box and
and don’t forget to rate the above post. Post Created By :