MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which type of Stem modification is seen in banana ? |
| A. | Rhizome |
| B. | Stem tuber |
| C. | Corn |
| D. | Bulb |
| Answer» B. Stem tuber | |
| 102. |
In plant body, the water and minerals are transported by _______ |
| A. | Bast |
| B. | Collenchyma |
| C. | Parenchyma |
| D. | Xylum |
| Answer» E. | |
| 103. |
The process in which energy stored in carbohydrates is released |
| A. | Photosynthesis |
| B. | Respiration |
| C. | Reproduction |
| D. | Excretion |
| Answer» C. Reproduction | |
| 104. |
Which one of the following vitamins is known as the anti sterile factor ? |
| A. | Ascorbic acid |
| B. | Riboflavin |
| C. | Niacin |
| D. | Retinol |
| Answer» C. Niacin | |
| 105. |
Mycolog is the branch of botany in which we study about |
| A. | Algae |
| B. | Fungi |
| C. | Bacteria |
| D. | Virus |
| Answer» C. Bacteria | |
| 106. |
Lathyrism is caused by excess consumption of....... |
| A. | Khesari dal |
| B. | Mustard oil |
| C. | Mushrooms |
| D. | Polished rice |
| Answer» B. Mustard oil | |
| 107. |
In a bisexual flower if androcium and gynoecium mature at different time the phenomeon is known as _________ |
| A. | Dichogamy |
| B. | Herpogamy |
| C. | Haterogamy monogamy |
| D. | None of these |
| Answer» B. Herpogamy | |
| 108. |
Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in |
| A. | Recombinant dna technology |
| B. | Monoclonal antibody production |
| C. | Stemcell culture |
| D. | Dna fingerprinting |
| Answer» E. | |
| 109. |
Sleeping sickness in main is caused by the organism |
| A. | Plasmodium |
| B. | Entamoeba |
| C. | Giardia |
| D. | Trypanosoma |
| Answer» E. | |
| 110. |
Main function of white blood corpuscles is _______ |
| A. | Transport of carbon dioxide |
| B. | Transport of oxygen |
| C. | To produce immune system of body |
| D. | None of these |
| Answer» D. None of these | |
| 111. |
Light compensation zone refers to |
| A. | Where light is available in plenty |
| B. | Where light is maximum |
| C. | Beyond which light does not penetrate |
| D. | Where all light is used |
| Answer» D. Where all light is used | |
| 112. |
A true species in mauritius failed to reproduce because of the extinction of a fruit eating bird. Which one of the following was that bird? |
| A. | Dove |
| B. | Dodo |
| C. | Condor |
| D. | Skua |
| Answer» C. Condor | |
| 113. |
The brain is covered by |
| A. | Meninges |
| B. | Skin |
| C. | Bone |
| D. | All the above |
| Answer» E. | |
| 114. |
Palaeobotany is the branch of botany is which we study about |
| A. | Animal fosills |
| B. | Plant fossils |
| C. | Seed of plant |
| D. | Flower |
| Answer» C. Seed of plant | |
| 115. |
Plants growing in sunlight are called |
| A. | Sciophytes |
| B. | Xerophytes |
| C. | Heliophytes |
| D. | Hydrophytes |
| Answer» D. Hydrophytes | |
| 116. |
Tissue in which cells have lost the capacity of cell division |
| A. | Mesristmatic tissue |
| B. | Permanent tissue |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 117. |
Man has _____ pairs of salivary glands |
| A. | 3 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» B. 4 | |
| 118. |
Branch of biology in which we study about cultivation of flowering plant |
| A. | Phenology |
| B. | Floriculture |
| C. | Agronomy |
| D. | Botany |
| Answer» C. Agronomy | |
| 119. |
Who is known as father of medicine |
| A. | Aristotle |
| B. | Theophrastus |
| C. | Hippocrates |
| D. | Edward jenner |
| Answer» D. Edward jenner | |
| 120. |
Damage to hearing is caused by sounds which exceed |
| A. | 70 decibels |
| B. | 80 decibels |
| C. | 100 decibels |
| D. | 120 decibels |
| Answer» E. | |
| 121. |
Blood is |
| A. | Alkaline |
| B. | Neutral |
| C. | Like a buffer |
| D. | Acidic |
| Answer» B. Neutral | |
| 122. |
In case of a heart attack, a hormone is injected as an emergency measure, Which one is it? |
| A. | Thyroxine |
| B. | Adrenaline |
| C. | Heparin |
| D. | Insulin |
| Answer» C. Heparin | |
| 123. |
The biogenetic law was proposed by |
| A. | Alfred russel wallace |
| B. | Charles darwin |
| C. | Ernst von haeckel |
| D. | Lamarck |
| Answer» D. Lamarck | |
| 124. |
There are approximately how many muscles in Human body ? |
| A. | 206 |
| B. | 310 |
| C. | 554 |
| D. | 700 |
| Answer» E. | |
| 125. |
In exo-biology we study about ________ |
| A. | External structure of living beings |
| B. | Life present on the earth |
| C. | Life present in the other layer of earth atmosphere |
| D. | Life found in space and on other satellite |
| Answer» E. | |
| 126. |
Lamarck's theory of inheritance of acquired characters was challenged by |
| A. | August weismann |
| B. | Hugo de vries |
| C. | Herbert spencer |
| D. | Carl linnaeus |
| Answer» D. Carl linnaeus | |
| 127. |
The energy released by 1 gram of glucose is |
| A. | 6 kcal |
| B. | 4 kcal |
| C. | 5 kcal |
| D. | 3kcal |
| Answer» C. 5 kcal | |
| 128. |
Which of the following is the largest phyllum in the animal kingdom in respect of number of species |
| A. | Annalida |
| B. | Platyhelminthes |
| C. | Chordata |
| D. | Arthropoda |
| Answer» E. | |
| 129. |
The rate of heartbeat is accelerated by the harmone |
| A. | Adrenaline |
| B. | Acetylcholine |
| C. | Thyroxine |
| D. | Pituitrin |
| Answer» B. Acetylcholine | |
| 130. |
Oath taken by medical graduates is given by |
| A. | Aristotle |
| B. | Theophrastus |
| C. | Hippocrates |
| D. | Darwin |
| Answer» D. Darwin | |
| 131. |
The outer membrane that covers the brain is |
| A. | Myelin sheath |
| B. | Dura mater |
| C. | Arachnoid membrane |
| D. | Pia mater |
| Answer» C. Arachnoid membrane | |
| 132. |
Monocarpic plants are those that produce fruits ...............during the life of the plant |
| A. | Once |
| B. | Thrice |
| C. | Many times |
| D. | Twice |
| Answer» B. Thrice | |
| 133. |
Tikka disease is related with the crop: |
| A. | Musturd |
| B. | Paddy |
| C. | Ground nut |
| D. | All of these |
| Answer» D. All of these | |
| 134. |
The leaves used as wrappers for bides are obtained from which one of the following ? |
| A. | Shikakai |
| B. | Rudraksha |
| C. | Tendu |
| D. | Lemon grass |
| Answer» D. Lemon grass | |
| 135. |
Dicotyledonous weeds are destroyed by a chemical called |
| A. | Indole - acetic acid |
| B. | 2- 4 dichlorophenoxy acetic acid |
| C. | Abscisic acid |
| D. | Naphthalene acetic acid |
| Answer» C. Abscisic acid | |
| 136. |
The grouping of blood is based on substances called |
| A. | Antibodies |
| B. | Antigens |
| C. | Antitoxin |
| D. | Enzymes |
| Answer» C. Antitoxin | |
| 137. |
Yellow color of urine is due to presence of |
| A. | Bile juice |
| B. | Urochrome |
| C. | Lymph |
| D. | Cholesterol |
| Answer» C. Lymph | |
| 138. |
Name the blood cells in which nucleus is absent |
| A. | Lymphocytes |
| B. | Blood platelets |
| C. | Monocytes |
| D. | Eosinophils |
| Answer» C. Monocytes | |
| 139. |
Branch of agriculture concerned with the production of crops |
| A. | Agrotology |
| B. | Agronomy |
| C. | Agrostology |
| D. | Anthropology |
| Answer» C. Agrostology | |
| 140. |
The sex of a newborn baby is determined by the chromosome inherited from |
| A. | The father |
| B. | The mother |
| C. | The father's father |
| D. | Both a & b |
| Answer» B. The mother | |
| 141. |
The phenomenon of summer sleep by animals is called |
| A. | Hibernation |
| B. | Aestivation |
| C. | Laziness |
| D. | Lethargy |
| Answer» C. Laziness | |
| 142. |
Function of Leghaemoglobin in nitrogen fixation _____ |
| A. | Absorption of oxygen |
| B. | Nutrion of bacteria |
| C. | Absorption of light |
| D. | All |
| Answer» B. Nutrion of bacteria | |
| 143. |
Cutaneous respiration occurs in |
| A. | Cockroach |
| B. | Salamander |
| C. | Crab |
| D. | Parrot |
| Answer» C. Crab | |
| 144. |
Botany is also known as |
| A. | Phytology |
| B. | Phycology |
| C. | Pedology |
| D. | Plantophyta |
| Answer» B. Phycology | |
| 145. |
Silviculture is the branch of botany in which we study about |
| A. | Culture of algae |
| B. | Development of forest |
| C. | Culture of fungi |
| D. | Silciphida plant |
| Answer» C. Culture of fungi | |
| 146. |
The total number of pairs of Peripheral nerves in man are |
| A. | 41 |
| B. | 42 |
| C. | 43 |
| D. | 44 |
| Answer» D. 44 | |
| 147. |
Unlike Mitosis, Meiosis results in the formation of |
| A. | 2n daughter cells |
| B. | Haploid cells |
| C. | Body cells |
| D. | Diploid cells |
| Answer» C. Body cells | |
| 148. |
The basic unit of the nervous system is the |
| A. | Lymphs |
| B. | Nephrons |
| C. | Nerves |
| D. | Neurons |
| Answer» E. | |
| 149. |
Agrostology is the study of |
| A. | Seed of oil |
| B. | Crop |
| C. | Grass |
| D. | Fruits |
| Answer» D. Fruits | |
| 150. |
Spermology is the study of |
| A. | Seed |
| B. | Leaf |
| C. | Fruit |
| D. | Pollen grain |
| Answer» B. Leaf | |