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Chapter:

190+ Biology Solved MCQs

in General Science

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) , Staff Selection Commission (SSC) .

Chapters

Chapter: Biology
151.

In which profession a qualification FRCS is awarded in many parts of the world?

A. Doctors
B. Architectures
C. Engineers
D. Chemists
Answer» A. Doctors
152.

Hodophobia is a fear associated with which of the following?

A. Sleeping
B. Walking
C. Traveling
D. Running
Answer» C. Traveling
153.

In which part of the human body ―Pleura‖ is found?

A. Lungs
B. Brain
C. Liver
D. Heart
Answer» A. Lungs
154.

Plants growing on marshy areas are commonly called as _____?

A. Oxylophytes
B. Lithophytes
C. Helophytes
D. Psilophytes
Answer» C. Helophytes
155.

Who among the following were awarded Nobel Prize in 1958 for One Gene One Enzyme Concept?

A. Landsteiner & Weiner
B. Avery, Mccleod and mc Carthy
C. Jacob & Wollman
D. George Beadle and Edward Tatum
Answer» D. George Beadle and Edward Tatum
156.

Which among the following is not a beverage plant?

A. Camellia sinensis
B. Theobroma cacao
C. Coffea Arabica
D. Alonsoa grandiflora
Answer» D. Alonsoa grandiflora
157.

Which of the following organism grows on Common Bread?

A. Bacterium
B. Yeast
C. Mucor
D. Virus
Answer» C. Mucor
158.

Which among the following correctly defines Hypoglycemia ?

A. Lower than normal level of thyroxin secretion
B. Lower than normal level of protein
C. Lower than normal secretion of one or more of the eight hormones normally produced by the pituitary gland
D. Lower than normal level of blood glucose
Answer» D. Lower than normal level of blood glucose
159.

Who among the following is best known for his discovery and development of the first safe and effective polio vaccine.?

A. Jonas Salk
B. David Bodian
C. Almroth Wright
D. Albert Sabin
Answer» A. Jonas Salk
160.

Who among the following scientists is known for developing techniques for DNA fingerprinting and DNA profiling which are now used all over the world in forensic science to assist police detective work?

A. Vernon Heywood
B. Patrick Laidlaw
C. Alec Jeffreys
D. Heinz Wolff
Answer» C. Alec Jeffreys
161.

Which among the following is not rightly matched : (Ailments and affected parts of Body)

A. Dermatitis – Skin
B. Glossitis – Tongue
C. Peritonitis – Abdomen
D. Cystitis – Caecum
Answer» D. Cystitis – Caecum
162.

Any disease which has a name with a suffix encephalitis is a disorder of ______?

A. Nerves
B. Brain
C. Lungs
D. Heart
Answer» B. Brain
163.

In which of the following diseases copper accumulates in tissues ?

A. Fabry disease
B. Canavan disease
C. Wilson‘s disease
D. Gunther disease
Answer» C. Wilson‘s disease
164.

Which among the following is essential for both activation and action of thrombin ?

A. Na+
B. Cl-
C. Ca2+
D. Mg2+
Answer» C. Ca2+
165.

Which among the following is correct about Blood Group B ?

A. It has B antigen on its red cells and Anti A antigen in its plasma
B. It has B antigen on its red cells and Anti B antigen in its plasma
C. It has no antigens on its red cells but, anti A antigen in its plasma
D. It has B antigen on its red cells but no antigen in its plasma
Answer» A. It has B antigen on its red cells and Anti A antigen in its plasma
166.

Which among the following is not a function of Sympathetic nerves in Autonomic nervous system?

A. Enhancing the heart beats
B. constricting the blood vessels
C. dilate pupils
D. contract urinary bladder
Answer» D. contract urinary bladder
167.

Which among the following is largest animal Phylum?

A. Mollusca
B. Arthropoda
C. Mammalia
D. Annelida
Answer» B. Arthropoda
168.

Which among the following enzyme plays an important role in adding the building blocks to the primer in a sequence determined by the DNA template?

A. Helicase
B. Primase
C. Polymerase
D. Diastase
Answer» C. Polymerase
169.

Which among the following bacterial cells are found in cubical packets?

A. Tetracocci
B. Streptococci
C. Staphylococci
D. Sarcinae
Answer» D. Sarcinae
170.

Which among the below is not a food plant?

A. Allium cepa
B. Allium sativum
C. Asparagus officinalis
D. Atropa belladona
Answer» D. Atropa belladona
171.

Consider the following types of Plants:
1. Calcicoles
2. Calcifuges
3. Calcareous
Which among the above plants grow in most acidic soils?

A. 1
B. 2
C. 3
D. 1 & 3
Answer» B. 2
172.

The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of _______?

A. Halophytes
B. Heliophytes
C. Sciophytes
D. Lithophytes
Answer» A. Halophytes
173.

In which of the following Cloaca which is the posterior opening that serves as the only such opening for the intestinal, reproductive and urinary tracts is present?

A. Aves only
B. Aves & Amphibians
C. Aves, Amphibians and Reptiles
D. Pisces, Aves, Amphibians & Reptiles
Answer» C. Aves, Amphibians and Reptiles
174.

Which among the following is correct about Viruses?

A. They have DNA only
B. They have RNA only
C. They have both DNA & RNA
D. They have either DNA or RNA
Answer» D. They have either DNA or RNA
175.

Lepidopterology is a branch of biology, which deals with the following?

A. Ferns
B. animals in stagnant waters
C. Lipids and Fats
D. Moths & Butterflies
Answer» D. Moths & Butterflies
176.

The existence of genes was first suggested by?

A. Gregor Mendel
B. George Wells Beadle
C. Edward Lawrie Tatum
D. Frederick Griffith
Answer» A. Gregor Mendel
177.

The human musculoskeletal system consists of

A. human skeleton
B. bones attached to other bones with joints
C. skeletal muscle attached to the skeleton by tendons.
D. All the above
Answer» D. All the above
178.

Lipoproteins which are the large molecules and which transport the cholesterol in the bloodstream are ______-?

A. protein molecules
B. fat molecules
C. protein and fat molecules
D. Lipids
Answer» C. protein and fat molecules
179.

Cobalt is a component of which of the following Vitamins?

A. Vitamin A
B. Vitamin D
C. Vitamin E
D. Vitamin B12
Answer» D. Vitamin B12
180.

Which among the following conditions will give birth to Fraternal Twins?

A. a single egg is fertilized to form one zygote which then divides into two separate embryos
B. sperm cells fertilize both the ovum and the second polar body
C. two eggs are independently fertilized by two different sperm cells
D. none of the above
Answer» C. two eggs are independently fertilized by two different sperm cells
181.

In which of the following conditions a person is born with both ovarian and testicular tissues i.e. both female & male organs?

A. Swyer syndrome
B. Penile agenesis
C. Polyorchidism
D. Hermaphroditism
Answer» D. Hermaphroditism
182.

In which of the following branches of science study of functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine is studied?

A. Biometry
B. Bionics
C. Bionomy
D. Bionomy
Answer» B. Bionics
183.

Which of the following places are main centers of silicosis and silico-tuberculosis diseases affecting the workers in India?

A. Glass Factories
B. Stone quarries and stone crushing factories.
C. Fireworks Factories
D. Brick Kilns
Answer» B. Stone quarries and stone crushing factories.
184.

Which among the following is correct about triticale?

A. A hybrid seed
B. A man made cereal
C. A genetically modified cereal
D. A leguminous plant
Answer» B. A man made cereal
185.

Which among the following is a main constituent of Histosols?

A. Acidic Salts
B. Organic Matter
C. Minerals
D. Clay Content
Answer» B. Organic Matter
186.

Which among the following correctly denotes Net Reproduction Rate?

A. Average number of children that would be born to a woman over her lifetime
B. Average number of children that would be born to a couple over their life time
C. Birth Rate — Death rate
D. The rate at which women are replaced by daughters who will have children
Answer» D. The rate at which women are replaced by daughters who will have children
187.

Which among the following is correct about Saliva of a Healthy Human?

A. It is slightly acidic
B. It is slightly saline
C. It is slightly alkaline
D. It is neutral
Answer» C. It is slightly alkaline
188.

With which of the following diseases Project Kavach is related to

A. Malaria
B. Dengue
C. AIDS
D. Swineflu
Answer» C. AIDS
189.

Which among the following is the first country to issue research licenses for human embryonic cloning to create stem cells?

A. United States
B. Australia
C. Germany
D. Britain
Answer» D. Britain
190.

Japanese encephalitis is a disease caused by __ ?

A. Virus
B. Protozoa
C. Bacteria
D. Fungi
Answer» A. Virus
191.

Which among the following is caused by Virus?

A. Mumps
B. Beri Beri
C. Tuberculosis
D. Dysentery
Answer» A. Mumps
192.

Which among the following causes ‗Dumdum Fever‘ or Kala Azar?

A. Bacteria
B. Fungi
C. protozoa
D. Virus
Answer» C. protozoa
193.

Who among the following worked on Tuberculosis?

A. Robert Koch
B. Karl Ernst von Baer
C. Erwin Neher
D. Richard Goldschmidt
Answer» A. Robert Koch
194.

Which among the following is not a carnivorous plant?

A. Pitcher plant
B. Venus Fly Trap
C. waterwheel plant
D. Marsh Mallow
Answer» D. Marsh Mallow
195.

A four chambered heart is found in which of the following?

A. mammals only
B. mammals and fish
C. mammals & Birds
D. mammals and Amphibians
Answer» C. mammals & Birds
196.

What would be the percentage of Glucose in the Urine of a healthy person?

A. less than 1%
B. More than 1%
C. More than 0.1%
D. 0%
Answer» D. 0%

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