Basic Biology MCQs for All Types Tests

basic biology mcqs
basic biology mcqs
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Basic Biology MCQs for Test

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Basic Biology MCQs for Test

101. Nitrogen is present in___________?

A. carbohydrates
B. proteins
C. lipids
D. carbonates

102. Biological organization is_____________?

A. simple
B. advance
C. complex
D. highly complex

103. Operculum is present in_____________?

A. bony fish
B. sea fish
C. cartilaginous fish
D. none of these

104. The arrangement of ________ speaks of the division of labour within cell?

A. Molecule
B. Subatomic particles
C. Atoms
D. Organelles

105. In which animal respiratory surface are found in more than one organ?

A. birds
B. human
C. fish
D. frog

106. Communities are ________ collection of organisms?

A. Static
B. Dynamic
C. May be static or dynamic
D. None of these

107. The heart is enclosed in a membrane called________?

A. pleura
B. pericardium
C. peritoneum
D. epithelium

108. The number of species of organisms currently known to science is?

A. 3500000
B. 35000
C. 2500000
D. 25000000

109. From right ventricle blood is pushed into?

A. pulmonary trunk
B. brain
C. aorta
D. body

110. What is the branch of biology in which structure and function of tissues are studied___________?

A. Cell Biology
B. Taxonomy
C. Histology
D. Morphology

111. Biometry is the application of_______ in biology.

A. Algebra
B. Statistics
C. Matrix
D. Geometry

112. Study of insects is called_________?

A. Immunology
B. Parasitology
C. Entomology
D. Paleontology

113. The term biology was introduced in__________ in 1800?

A. Germany
B. Turkey
C. Italy
D. Japan

114. Which of the following is the basic unit of classification___________?

A. Species
B. Genus
C. Family
D. Order

115. Euglena belongs to the kingdom___________?

A. Fungi
B. Monera
C. Protista
D. Non of them

116. Viruses are considered living organisms because__________?

A. They can be crystallized
B. They occur in plants and animals
C. They are microscopic
D. They contain DNA and can be reproduced

117. All of the following are elements that plants need in very small amounts except___________?

A. Iron
B. Hydrogen
C. Chlorine
D. Copper

118. Capillaries are the example of_________?

A. Organ System
B. Cell
C. Organ
D. Tissue

119. Who discovered the living cell first time?

A. Robert brown
B. Robert hooke
C. Rudolf virchow
D. Antoni van leeuwenhoek

120. Amoeba can move with the help of?

A. Flagella
B. Pseudopodia
C. Water
D.Cilia

121. Who is Called the Father of Demography?

A. ALAN Turing
B. John Dalton
C. Charles Babbage
D. IBN KHALDUN

122. The one which is present in all living things

A. Cell nucleus
B. DNA or RNA
C. Cell membrane
D. Vacuole

123. The study of nature is called__________?

A. Science
B. Atom
C. Molecule
D. Element

124. Animals that eat plants are called___________________?

A. Herbivores
B. Consumer
C. Carnivores
D. Omnivores

125. _____________________ contains the green chemical called chlorophyll.

A. Cytoplasm
B. Cell membrane
C. Chloroplasts
D. Vacuole

126. _____________ is a scientific word for human beings?

A. Animals
B. Homo sepions
C. Omnivore
D. Consumer

127. Lactometer is used for__________?

A. Ship
B. Milk
C. Honey
D. None

128. enzyme is_____________?

A.bio catalyst
B.hormone
c. Gland
D.None of these

129. Exact replica of chromosome refers to ___________?

A. Chromatid
B. Centromere
C. Kinetochore
D. Arms

130. Density gradient  centrifugation separates the materials on the basis of__________?

A. Size alone
B. Density alone
C. Both a & b
D. Velocity of movement

140. Ribosomes are tiny Granules first studied in 1955 by__________?

A. De-Duve
B. Schwann
C. August Weismann
D. Palade

141. Virus consist of Parts:__________?

A. 1
B. 2
C. 3
D. 4

142. I can break down fatty acid to succinate__________?

A. Peroxisome
B. Glyoxisome
C. Lysosome
D. Golgi bodies

143. Mitosis is divided into_____________?

A. Karyokinesis
B. Cytokinesis
C. Interphase
D. Both a & b

144. Ribosomes and DNA are also present in_________?

A. mitochondria
B. golgi complex
C. endoplasmic reticulum
D. lysosomes

145. Taking in liquid material into the cells is known as_________?

A. Phagocytosis
B. Pinocytosis
C. Exocytosis
D. Both a and b

146. Under a compound microscope chromosome is made of arms and___________?

A. Centromere
B. Centrosome
C. Chromatid
D. Centromere

147. The main types of plastids are___________?

A. Chloroplasts
B. Chromoplasts
C. Leucoplasts
D. All of these

148. Fibers of the extracellular matrix is the characteristics of_______________?

A. Plant cell wall
B. Bacterial cell wall
C. Cell membrane of bacteria
D. Fluid mosaic model of cell membrane

149. The process involved in inflammation of liver___________?

A. apoptosis

B. Necrosis

C. Both a & b

D. Non disjunction

150. Polysome is formed during __________ process?

A. Transcription
B. Secretion
C. Translation
D. Division

151. In 1831, the presence of nucleus in the cells was reported by__________?

A. Robert Koch
B. Robert Hooke
C. Robert Mug Abe
D. Robert Brown

152. 7 Secretions are products formed within cell on__________?

A. E.R
B. Golgi bodies
C. Ribosome
D. Nucleus

153. On average there are _______ or more thylakoid per granum?

A. 60
B. 50
C. 40
D. 70

154. Un-separated replica of chromosome is called___________?

A. Chromatin
B. Kinetochore
C. Chromatid
D. Centromere

155. A-biogenesis means that_____________?

A. Living things originated from bacteria
B. Mycobionts
C. Non-living things
D. None of these

156. The tumours which are of small size and localized are___________?

A. benign
B. malignant
C. gentle
D. nasty

157. PCR stands for _________?

A. Polymerase chain reaction
B. Poly carbomyl reaction
C. Peptide chain reaction
D. Pentapeptide chain reaction

158. The innate tendency of offspring to resemble their parents is called________?

A. heridity
B. heridisk
C. varaition
D. none

159. Ribosomes were discovered by_______?

A. Golgi
B. De Duve
C. Palade
D. R.Brown

160. Which character differentiates living things from non-living organisms___________?

A. They live in the same ecosystem.
B. They are acted upon by the same environment
C. They are highly organized and complex made of one or more cells and contains genetic material
D. Both a and b

161. The study of fossils is called__________?

A. Environmental Biology
B. Historical biology
C. Palaeontology
D. Social biology

162. A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?

A. Substrate
B. Co-factor
C. Inhibitor
D. Promotor

163. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?

A. Molecular biologists
B. Microbiologists
C. Freshwater biologists
D. Social biologist

164. Percentage of water in brain cells is_______?

A. 20%
B. 65%
C. 85%
D. 89%

165. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?

A. An organ
B. A molecule
C. Tissue
D. Both a and c

166. Different species of plants and animals living in the same habitat is called ___________?

A. Population
B. Community
C. Biome
D. Habitat

167. In animals coordination is achieved by means of_________?

A. Respiratory system
B. Nervous system
C. Endocrine system
D. Both b and c

168. ___________ is the potential surce of chemical energy for cellular activities?

A. C-H bond
B. C-O bond
C. C-N bond
D. P-O-C bond

169. The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called________?

A. Environmental biology
B. Social biology
C. Human biology
D. Both b and c

170. The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time sequence came from the studies by________?

A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist

171. Group of living organisms of the same species living in the same place at the same time is called________?

A. Community
B. Population
C. Ecosystem
D. Biome

172. Control of organisms by using living organisms is called_______?

A. Bioremediation
B. Integrated disease management
C. Antisepsis
D. Biological control

173. Which one is a micro molecule __________?

A. Polysaccharide
B. Protein
C. Hemoglobin
D. ATP

174. Unbroken series of organisms arranged from ancestor to descendant sequence is____________?

A. Biodiversity
B. Phyletic lineage
C. Connecting link
D. Evolutionary line

175. Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?

 A. 6
B. 16
C. 26
D. 15

176. A large regional community primarily determined by climate is called__________?

A. Population
B. Community
C. Biome
D. Habitat

177. Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?

A. Molecular biology
B. Physiology
C. Biochemistry
D. Atomic biology

178. A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?

A. An organ
B. An organism
C. A Tissue
D. A Cell

179. Oxygen accounts for __________ percent of totals human body mass?

A. 65%
B. 18%
C. 10%
D. 3%

180. Out of total organisms on earth, _____________are vascular plants?

A. 53.10%
B. 19.90%
C. 17.60%
D. 9.40%

181. Breakdown of large molecules into smaller ones utilizing water molecules is_________?

A. Hydration
B. Hydrolysis
C. Dehydration synthesis
D. Electrolysis

182. Intake of liquid material by cell membrane is called___________?

A. Endocytosis
B. Exocytosis
C. Phagocytosis
D. Pinocytosis

183. Which one is not correct for a productive theory________?

A. It is predictive
B. It has explanatory power
C. It discourages suggestion of different hypotheses
D. None of these

184. ___________ is concerned with cell secretions?

A. Endoplasmic reticulum
B. Golgi complex
C. Lysosomes
D. Cell membrane

185. Sythetic insulin from pork was formed by which technique__________?

A. Parasitology
B. Social biological techniques
C. Biotechnology
D. Both a and c

186. Cytoskeleton involved in assembly and disassembly of the spindle during mitosis is of_________?

A. Microtubules
B. Microfilaments
C. Intermediate filaments
D. None of these

187. ___________ is used to relieve one kind of headache, migraine?

A. Penicillin
B. Lovastatin
C. Cyclosporine
D. Ergotin

188. Bacteria which grow either in the presence or absence of oxygen___________?

A. Aerobic bacteria
B. Anaerobic bacteria
C. Facultative bacteria
D. Microaerophilic

189. It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:

A. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones
B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D. Older sediment layers did not have these radioactive isotopes

190. Reverse transcriptase is present in____________?

A. All RNA viruses
B. All DNA viruses
C. All retroviruses
D. All viruses

191. Destruction of all life forms is called___________?

A. Sterilization
B. Disinfection
C. Antisepsis
D. Preservation

192. Pox viruses are_________?

A. RNA non-enveloped
B. RNA enveloped
C. DNA non-enveloped
D. DNA enveloped

193. Pollen grains in pinus have __________ for dispersal through wind?

A. Flagella
B. Cilia
C. Wings
D. Feathers

194. The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gaemtophyte called______________?

A. Ovule
B. Seed
C. Fruit
D. Embroyo sac

195. Alternation of generations is absent in___________?

A. Hydration
B. Obelia
C. Jelly fish
D. Physalia

196. Double fertilization is feature of____________?

A. Ferns
B. Whisk ferns
C. Gymnosperms
D. Angiosperms

197. If bile pigments are prevented from leaving digestive tract, then they cause_____________?

A. Hepatitis
B. Jaundice
C. Gall stones
D. Blockage

198. Initial pH of food vacuole during digestion in amoeba is____________?

A. 5.3
B. 5.6
C. 7.3
D. 7.6

199. The arrangement of _________ speaks of the division of labour within cell?

A. Molecule
B. Subatomic particles
C. Atoms
D. Organelles

200. NADH is oxidized by___________?

A. Coenzyme ?
B. Cytochrome b
C. Oxygen
D. Glycolysis

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