MDCAT MCQs for Entry Test with Answers Page 3 | Mcat Biology mcqs chapter wise pdf with answers

written by Assad Javaid | September 7, 2021

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101. The movement of materials across the cell membrane with the help of biological energy provided by ATP is called which among the following?

  1. Passive Transport. 
  2. Endocytosis. 
  3. Active Transport.  
  4. Fractionation. 

102. It is the process in which the cell membrane helps to take in material by infolding in the form of vacuole which among the following?

  1. Electrolysis.  
  2. Fractionation. 
  3. Endocytosis. 
  4. Active transport. 

103. In plants which cells are concerned with transport of food which among the following?

  1. Phloem vessels.  
  2. Xylem vessels. 
  3. Vascular bundle. 
  4. None of the above. 

104. In plants ,which of the following cells are used to store surplus food which among the following?

  1. Chlorenchymatous cells. 
  2. Parenchymatous cells.  
  3. Sclerenchymatous cells. 
  4. Golgi bodies. 

105. The outermost layer in a plant cell is which among the following?

  1. Cell membrane. 
  2. Plasma membrane. 
  3. Nuclear membrane. 
  4. Cell wall.  

106. Chemically cell membrane is composed of closely associated molecules of which among the following?

  1. Proteins. 
  2. Proteins and lipids.  
  3. lipids. 
  4. Carbohydrates. 

107. What is the percentage of lipid molecules in the cell membrane which among the following?

  1. 40-60%. 
  2. 60-80%. 
  1. 20-40%.  
  2. 80-100%. 

108. Which plant cells give support to plant body which among the following?

  1. Sclerenchymatous cells.  
  2. Phloem cells. 
  3. Xylem cells. 
  4. Parenchyma cells. 

109. In plants,which cells carry out photosynthesis which among the following?

  1. Sclerenchymatous. 
  2. Paranchymatous. 
  3. Chlorenchymatous.  
  4. None of the above. 

110. In cell membrane in addition to proteins and lipid there is a small of quantity of which among the following? 

  1. Carbohydrates.  
  2. Fast. 
  3. Cellulose. 
  4. Mineral. 

111. The content of reticulmn are separated from cytoplasmic material by which among the following?

  1. Cystole. 
  2. Cytosol. 
  3. Lipid molecules. 
  4. Cisternae.  

112. Ribosomes were first of all discovered by which among the following?

  1. Laveran 
  2. Grassi. 
  3. Palade.  
  4. Robert Brown. 

113. They are composed of almost an equal amount of RNA and protein which among the following?

  1. Ribosomes.  
  2. Golgi Bodies. 
  3. Mitochondria. 
  4. Centriotes. 

114. It is the process in which the cell membrane helps to take in material by infolding in the form of vacuole which among the following?

  1. Electrolysis.  
  2. Fractionation. 
  3. Endocytosis. 
  4. Active transport. 

115. A cell wall composed of which among the following?

  1. The Middle Lamella. 
  2. The Secondary Wall. 
  3. The Primary Wall.  
  4. All of the above. 

116. Chemically the secondary wall is composed of which among the following?

  1. Inorganic salts. 
  2. Silica. 
  3. Waxes. 
  4. All of the above.  

117. Through cell membrane ,which substances can pass more easily than others which among the following?

  1. Peptides soluble. 
  2. Lipid soluble.  
  3. Nucleic acids soluble. 
  4. Cellulose soluble. 

118. In many animal cells the cell membrane helps to take in materials by infolding in the form of vacuoles .This type of intake is termed as which among the following? 

  1. Endocytosis.  
  2. Ingestion. 
  3. Digestion. 
  4. Ejection.

119. In plants cells,which structure provides a definite shape to the cell and makes it right which among the following?

  1. Cell wall.  
  2. Cell membrane. 
  3. Chitin. 
  4. Epidermis. 

120. It consists of an aqueous ground substance containing a variety of cell organelles and other inclusions such as wastes and storage products which among the following?

  1. Actoplasm. 
  2. Endoplasm. 
  3. Cytoplasm.  
  4. none of the above. 

121. Simple sae likely structure containing acid phosphates and hydrolytic enzymes involved in the cellular digestion are called which among the following? 

  1. Lysosomes  
  2. Ribosomes 
  3. Cytosomes 
  4. Endoplasmic Reticulum 

122. The Lysosomes are present in almost all which among the following?

  1. Problematic cell. 
  2. Bacterial cells. 
  3. Eucharistic cells  
  4. None of the above

123. Which organelles are involved in the synthesis of Fats which among the following? 

  1. Mitochondria 
  2. Golgi Bodies 
  3. Ribosomes  
  4. Endoplasmic Reticulum 

124. When many ribosomes get attached to the same stretch of mRNA they form a structure called which among the following? 

  1. Cytosol 
  2. Polysome  
  3. Polysome 
  4. Lipids

125. Ribosomes are produced in the which among the following? 

  1. Vacuole 
  2. Endoplasmic Reticulum 
  3. Cytoplasm 
  4. Nucleus 

126. Which are called the factory of protein synthesis which among the following? 

  1. Lysosomes 
  2. Golgi Bodies 
  3. Ribosomes  
  4. Mitochondria 

127. Which is called the factory of ribosomes which among the following? 

  1. Nucleus 
  2. Vacuole 
  3. Nucleus  
  4. Endoplasmic Reticulum 

128. Ribosomes were first of all discovered by which among the following? 

  1. Laveran 
  2. Grassi 
  3. Robert Brown 
  4. Palade  

129. Ribosome’s consists of two subunits. The large subunit sediments at 60S while smaller subunit sediments at which among the following? 

  1. 30S 
  2. 40S  
  3. 50S 
  4. 60S 

130. Two subunits if ribosome on attachment with each other form which among the following? 

  1. 60S 
  2. 70S 
  3. 80S  
  4. 90S

131. In all arthropods,the body is covered with a chitinous cuticle which is secreted by the which among the following? 

  1. Echinoderm 
  2. Mesophyll 
  3. Chitin 
  4. Epidermis  

132. All insects have how many parts of legs which among the following? 

  1. 3  
  2. 4 
  3. 5 
  4. 6 

133. Snails belong to which among the following? 

  1. Cephalopods 
  2. Gastropods  
  3. Arthropods 
  4. None of them

134. It is stiff rod of special cells surrounded by connective tissue present in the mid -dorsal region and appears in the embryos of all chordates which among the following? 

  1. Notochord  
  2. Placenta 
  3. Cranianta 
  4. None of Them 

135. They are considered to be the most primitive and are surely the first of the vertebrates which among the following? 

  1. Frogs 
  2. Jawless fishes  
  3. Reptiles 
  4. Amphibians 

136. The phylum chordate comprise about how many species which among the following? 

  1. 10,000 
  2. 30,000 
  3. 50,000  
  4. None of them 

137. In mouth cavity of many molluscs there is a rasping tongue like structure _______ provided with many horny teeth which among the following?

  1. Ligule 
  2. Bivalves 
  3. Radula  
  4. Muscle 

138. Sub-phylum vertebrate is also known as which among the following? which among the following? 

  1. Craniata  
  2. Pisces 
  3. Aves 
  4. Amphibia 

139. In man which organisms cause abscesses on the skin of arms or legs which among the following? 

  1. Suinea worm  
  2. Ascaris 
  3. Bacteria 
  4. None of Them 

140. In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen which among the following? 

  1. Annelida 
  2. Arthropods  
  3. Chordata 
  4. None of them 

141. According to modern system of taxonomy, living organisms have been classified into which among the following? 

  1. Five Kingdoms  
  2. Three Kingdoms 
  3. Two Kingdoms 
  4. Non of above 

142. The Brisance is which organism’s life cycle, mode of transmission and interaction with their hosts are studied is which among the following? 

  1. Parasitology  
  2. Anatomy 
  3. Physiology 
  4. Social biology 

143. Kingdom fungi includes which among the following? 

  1. A Cellular, eukaryotic organisms 
  2. Non-chlorophylls, Multicultural, thallophyta organisms  
  3. Non-chlorophylls, multicellular eukaryotic organisms 
  4. None of above 

144. Earthworm is included in which among the following? 

  1. Kingdom Plantae 
  2. Kingdom Protoctista 
  3. Kingdom Animalia  
  4. None of Above 

145. The study of organisms inhabiting the sea & ocean and the physical & chemical characteristics of their environment is which among the following? 

  1. Marine Biology  
  2. Social Biology 
  3. Micro Biology 
  4. None of Above 

146. The molecules of living matter that provide building blocks are mostly based on which among the following? 

  1. Nitrogen 
  2. Hydrogen 
  3. Carbon  
  4. None of above 

147. The word “BIOLOGY” has been derived from _____ word which among the following? 

  1. Greek  
  2. Latin 
  3. English 
  4. None of above 

148. Amman Human blood is an example of which among the following? 

  1. Inorganic Compounds  
  2. Organelle 
  3. Tissues 
  4. Simple Molecules 

149. The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is which among the following? 

  1. Human Biology 
  2. Environmental Biology 
  3. Bio-Technology  
  4. None of above 

150. Scoliodon or dog fish belong to the group fo fishes called which among the following? 

  1. Bony fishes 
  2. Running fishes 
  3. Cartilaginous fishes  
  4. None of Them 

151. Which of the following is an example of “molecule” which among the following? 

  1. Chloroplast 
  2. A Nerve Cell 
  3. Hydrogen 
  4. DNA