Biology 101-150 MCQs

Biology

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. None of these

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 Virtue

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 Turning

b. John Dalton

c. Charles Babbage

d. Ibn e 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. Consumers

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 sapiens

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

131. Ribosomes are tiny granules first studied in 1955 by ________?

a. De-Duve

b. Schwann

c. August Weismann

d. Palade

132. Virus consist of parts:

a. 1

b. 2

c. 3

d. 4

133. I can break down fatty acid to succinate _________?

a. Peroxisome

b. Glyoxisome

c. Lysosome

d. Golgi bodies

134. Mitosis is divided into ________?

a. Karyokinesis

b. Cytokinesis

c. Interphase

d. Both a & b

135. Ribosomes and DNA are also present in ________?

a. Mitochondria

b. Golgi complex

c. Endoplasmic reticulum

d. Lysosomes

136. Taking in liquid material into the cells is known as ________?

a. Phagocytosis

b. Pinocytosis

c. Exocytosis

d. Both a and b

137. Under a compound microscope chromosome is made of arms and __________?

a. Centromere

b. Centrosome

c. Chromatid

d. Centromere

138. The main types of plastids are _______?

a. Chloroplasts

b. Chromoplasts

c. Leucoplasts

d. All of these

139. 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

140. The process involved in inflammation of liver ________?

a. Apoptosis

b. Necrosis

c. Both a & b

d. Non disjunction

141. Polysome is formed during ________ process?

a. Transcription

b. Secretion

c. Translation

d. Division

142. 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

143. 7 Secretions are products formed within cell on ________?

a. E.R

b. Golgi bodies

c. Ribosome

d. Nucleus

144. On average there are _________ or more thylakoid per granum?

a. 60

b. 50

c. 40

d. 70

145. Un-separated replica of chromosome is called _______?

a. Chromatin

b. Kinetochore

c. Chromatid

d. Centromere

146. A-biogenesis means that ________?

a. Living things originated from bacteria

b. Mycobionts

c. Non-living things

d. None of these

147. The tumors which are of small size and localized are ________?

a. benign

b. malignant

c. gentle

d. nasty

148. PCR stands for _________?

a. Polymerase chain reaction

b. Poly carbonyl reaction

c. Peptide chain reaction

d. Pentapeptide chain reaction

149. The innate tendency of offspring to resemble their parents is called __________?

a. Heredity

b. Heridisk

c. Variation

d. None

150. Ribosomes were discovered by ________?

a. Golgi

b. De Duve

c. Palade

d. R. Brown