

MCQOPTIONS
Saved Bookmarks
This section includes 1075 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
101. |
______ is a hormone that regulates the amount of glucose in the blood |
A. | Glucogen |
B. | Thyroxine |
C. | Oxytocin |
D. | Insulin |
Answer» E. | |
102. |
Who proposed Five Kingdom Classification ? |
A. | R.H. Whittaker |
B. | John Ray |
C. | Carolus Linnaeus |
D. | H.F. Copeland |
Answer» B. John Ray | |
103. |
Haematopoiesis take place in |
A. | Lungs |
B. | Pancreas |
C. | Liver |
D. | Bone marrow |
Answer» E. | |
104. |
Who proposed Binomial Nomenclature ? |
A. | Linnaeus |
B. | John Ray |
C. | Huxley |
D. | Aristotle |
Answer» B. John Ray | |
105. |
The International Commisson on Zoological Nomenclature was established in |
A. | 1898 |
B. | 1988 |
C. | 2001 |
D. | 1664 |
E. | None of these |
Answer» F. | |
106. |
The largest cells in mammalian blood are |
A. | Erythrocytes |
B. | Monocytes |
C. | Basophils |
D. | Lymphocytes |
Answer» C. Basophils | |
107. |
Carolus Linnaeus System of classification is |
A. | Natural |
B. | Artificial |
C. | Binomial |
D. | Phylogenetic |
Answer» D. Phylogenetic | |
108. |
Which of the following fibres is considered as the strongest natural fibre? |
A. | Cotton |
B. | Jute |
C. | Wool |
D. | Silk |
Answer» E. | |
109. |
Which of the digestive organs contains acid? |
A. | Stomach |
B. | Small intestine |
C. | Appendix |
D. | Colon |
Answer» C. Appendix | |
110. |
Which fruit has its seed outside ? |
A. | Strawberry |
B. | Banana |
C. | Groundnut |
D. | Cashew nut |
Answer» B. Banana | |
111. |
How many neck canal cells are found in the archegonium of a fern ? |
A. | One |
B. | Two |
C. | Three |
D. | Four |
Answer» B. Two | |
112. |
What is commonly known as white plague ? |
A. | Typhoid |
B. | Malaria |
C. | Tuberculosis |
D. | Plague |
Answer» D. Plague | |
113. |
The oilseed which is not edible |
A. | Sunflower |
B. | Cottonseed |
C. | Sesamum |
D. | Groundnut |
Answer» C. Sesamum | |
114. |
Which angiosperm is vessel-less ? |
A. | Hydrilla |
B. | Trochodendron |
C. | Maize |
D. | Wheat |
Answer» C. Maize | |
115. |
Gustation refers to the sense of which of the following ? |
A. | Smell |
B. | Hearing |
C. | Tactile |
D. | Taste |
Answer» E. | |
116. |
The smallest known prokaryotic organism is |
A. | Microcystis |
B. | Mycoplasma |
C. | Bacteria |
D. | Chlorella |
Answer» C. Bacteria | |
117. |
Who was the first child born after operative procedure ? |
A. | Caesar |
B. | Huxley |
C. | William |
D. | Pasteur |
Answer» B. Huxley | |
118. |
The virus of AIDS affects the growth of _________ |
A. | Haemoglobin |
B. | RBCs in blood |
C. | T cells in blood |
D. | Grey cells in brain |
Answer» D. Grey cells in brain | |
119. |
Number of mitochondria in bacterial cell is |
A. | one |
B. | two |
C. | many |
D. | zero |
Answer» E. | |
120. |
Myrmecology is study of |
A. | Insects |
B. | Ants |
C. | Crustaceans |
D. | Arthropods |
Answer» C. Crustaceans | |
121. |
What does the term Ebola stand for? |
A. | A viral disease outbreak in West Africa |
B. | A viral disease outbreak in Bangladesh |
C. | A city in Syria destroyed by ISIS. |
D. | None of these |
Answer» B. A viral disease outbreak in Bangladesh | |
122. |
Glucose is a type of |
A. | Pentose sugar |
B. | Hexose sugar |
C. | Tetrose sugar |
D. | Diose sugar |
Answer» C. Tetrose sugar | |
123. |
The cells which are colsely associated and interacting with guard cells are |
A. | Transfusion tissue |
B. | Complementary cells |
C. | Subsidiary cells |
D. | Hypodermal cells |
Answer» D. Hypodermal cells | |
124. |
Cultivable land is defined as |
A. | land actually under crops |
B. | cultivable waste land + fallow land |
C. | old fallow lands + current fallow lands |
D. | total fallow lands + net sown area |
Answer» E. | |
125. |
Rhizobium is a kind of |
A. | Photosynthetic bacteria |
B. | Symbiotic bacteria |
C. | Parasitic bacteria |
D. | Saprophytic bacteria |
Answer» C. Parasitic bacteria | |
126. |
The environment includes |
A. | Abiotic factors |
B. | Biotic factors |
C. | Oxygen and Nitrogen |
D. | Abiotic and Biotic factors |
Answer» E. | |
127. |
Conversion of starch to sugar is essential for |
A. | Stomatal opening |
B. | Stomatal closing |
C. | Stomatal formation |
D. | Stomatal growth |
Answer» B. Stomatal closing | |
128. |
A Parenchyma cell which stores ergastic substance is known as |
A. | Phragmoblast |
B. | Idioblast |
C. | Conidioplast |
D. | Chloroplast |
Answer» C. Conidioplast | |
129. |
The oxygen liberated during photosynthesis comes from |
A. | Water |
B. | Carbon dioxide |
C. | Glucose |
D. | Chlorophyll |
Answer» B. Carbon dioxide | |
130. |
Who is known as the Father of Green Revolution in India? |
A. | G. Paul |
B. | Norman Borlaug |
C. | Van Neil |
D. | Dr. Mithchell |
Answer» C. Van Neil | |
131. |
The gametophyte is called prothallus in |
A. | Pteridophyta |
B. | Bryophyta |
C. | Spermatophyta |
D. | Thallophyta |
Answer» B. Bryophyta | |
132. |
The main function of palisade parenchyma in leaf is |
A. | Antibiotics |
B. | Pollutants |
C. | Hormones |
D. | Toxins |
Answer» E. | |
133. |
Root Hairs arise from |
A. | Cortex |
B. | Pericycle |
C. | Epidermis |
D. | Endodermis |
Answer» D. Endodermis | |
134. |
For immediate energy production in cells, one should take |
A. | Glucose |
B. | Proteins |
C. | Vitamin C |
D. | Sucrose |
Answer» B. Proteins | |
135. |
Bacterial cells do not have |
A. | Cell wall |
B. | Plasma membrane |
C. | Ribosome |
D. | Mitochondria |
Answer» E. | |
136. |
In human body, ligaments are made up of |
A. | white fibres and some yellow elastic fibres |
B. | white fibres only |
C. | yellow fibres only |
D. | yellow fibres and muscle fibres |
Answer» B. white fibres only | |
137. |
Stem is usually |
A. | Positively Phototropic |
B. | Negatively Phototropic |
C. | Negatively geotropic |
D. | Positively acrotropic |
Answer» B. Negatively Phototropic | |
138. |
Which one of the following types of malaria is pernicious malaria ? |
A. | Vivax |
B. | Ralapse |
C. | Tertian |
D. | Malignant |
Answer» E. | |
139. |
Fist is a first class protein as it contains |
A. | essential amino-acids |
B. | non-essential amino acids |
C. | all essential fatty acids |
D. | no amino acid |
Answer» B. non-essential amino acids | |
140. |
Lungs of a plant are |
A. | Leaves |
B. | Stems |
C. | Flowers |
D. | Roots |
Answer» B. Stems | |
141. |
Sporangia bearing leaf of a fern is called |
A. | Ramentum |
B. | Indusium |
C. | Sorus |
D. | Sporophyll |
Answer» D. Sporophyll | |
142. |
Water of coconut is |
A. | liquid nucellus |
B. | liquid mesocarp |
C. | liquid endocarp |
D. | degenerated liquid endosperm |
Answer» E. | |
143. |
Coralloid root of Cycas helps in |
A. | Absorption of water |
B. | Absorption of water and fixation of Nitrogen |
C. | Anchorage |
D. | Transport of food |
Answer» C. Anchorage | |
144. |
Resin is a product of |
A. | Grapes |
B. | Coniferous trees |
C. | Rubber tree |
D. | Banyan tree |
Answer» C. Rubber tree | |
145. |
Water conduction takes place in mosses through |
A. | Xylem and Phloem |
B. | Xylem |
C. | Collenchyma |
D. | Parenchyma |
Answer» E. | |
146. |
Companion cells of phloem are found in |
A. | Gymnosperms |
B. | Bryophyta |
C. | Pteridophyta |
D. | Angiosperms |
Answer» E. | |
147. |
A clone is a group of individuals obtained through |
A. | Hybridisation |
B. | Micropropagation |
C. | Cross pollination |
D. | Self pollination |
Answer» C. Cross pollination | |
148. |
The type of kidneys present in frog are |
A. | Mesonephros |
B. | Metanephros |
C. | Archinephros |
D. | Pronephros |
Answer» B. Metanephros | |
149. |
Morphology of Chromosomes can be best studied at |
A. | Interphase |
B. | Prophase |
C. | Metaphase |
D. | Zygotene |
Answer» D. Zygotene | |
150. |
Which one of the following is an egg-laying mammal ? |
A. | Sloth |
B. | Duck - billed platypus |
C. | Kangaroo |
D. | Bandicoot |
Answer» C. Kangaroo | |