MCQOPTIONS
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MCQOPTIONS
This section includes 371 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The camel's hump is composed of a tissue which provides water when oxidized. It is |
| A. | skeletal tissue |
| B. | areolar tissue |
| C. | adipose tissue |
| D. | muscular tissue |
| Answer» D. muscular tissue | |
| 102. |
During which stage of mitosis does cytokinesis usually occur in animals ? |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» E. | |
| 103. |
Which of the following substances if introduce in the blood stream would cause coagulation at the site of its introduction ? |
| A. | Fibrinogen |
| B. | Prothrombin |
| C. | Heparin |
| D. | Thromboplastin |
| Answer» E. | |
| 104. |
Lysosome arises from |
| A. | endoplasmic reticulum |
| B. | golgi apparatus |
| C. | nucleus |
| D. | mitochondria |
| Answer» C. nucleus | |
| 105. |
pH of human blood is |
| A. | 7.4 |
| B. | 6.2 |
| C. | 9.0 |
| D. | 7.5 - 8.0 |
| Answer» B. 6.2 | |
| 106. |
Contractile proteins are found in |
| A. | bones |
| B. | blood |
| C. | muscles |
| D. | cartilage |
| Answer» D. cartilage | |
| 107. |
Which one of the following is modification of parenchyma? |
| A. | Fibres found in phloem |
| B. | Tracheids |
| C. | Vessel |
| D. | Chlorenchyma |
| Answer» E. | |
| 108. |
Bone matrix is rich in |
| A. | fluoride and calcium |
| B. | calcium and phosphorus |
| C. | calcium and potassium |
| D. | phosphorus and potassium |
| Answer» C. calcium and potassium | |
| 109. |
Blood and lymph are types of |
| A. | muscular tissue |
| B. | epithelial tissue |
| C. | connective tissue |
| D. | permanent tissue |
| Answer» D. permanent tissue | |
| 110. |
Which one of the following is not a constituent of cell membrane ? |
| A. | Cholesterol |
| B. | Glycolipids |
| C. | Proline |
| D. | Phospholipids |
| Answer» D. Phospholipids | |
| 111. |
Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light ? |
| A. | Cytokinin |
| B. | Auxin |
| C. | Gibberellin |
| D. | Abscisic acid |
| Answer» C. Gibberellin | |
| 112. |
Quinine is obtained from which part of the plant? |
| A. | Roots |
| B. | Stem |
| C. | Leaves |
| D. | Bark |
| Answer» E. | |
| 113. |
The sex of a newborn baby is determined by the chromosome inherited from |
| A. | the mother |
| B. | the father |
| C. | mother's mother |
| D. | father's father |
| Answer» C. mother's mother | |
| 114. |
Average life span of human R.B.C is |
| A. | 100 days |
| B. | 90 days |
| C. | 120 days |
| D. | None of these |
| Answer» D. None of these | |
| 115. |
Cells which takes part in secondary growth are named as |
| A. | phloem |
| B. | xylem |
| C. | cambium |
| D. | medullary ray |
| Answer» D. medullary ray | |
| 116. |
Which one among the following water-borne diseases is not caused by a bacteria ? |
| A. | Cholera |
| B. | Typhoid |
| C. | Bacillary dysentery |
| D. | Hepatitis A |
| Answer» E. | |
| 117. |
Which one among the following completes the given statement correctly ?In digestive system of living organisms |
| A. | glucose is broken down into glycerol |
| B. | glucose is converted into glycogen |
| C. | glucose is broken down into carbon dioxide and water |
| D. | proteins are broken down into amino acids |
| Answer» E. | |
| 118. |
Lobsters belong to which one of the following classes of organisms ? |
| A. | Arachnids |
| B. | Crustaceans |
| C. | Insects |
| D. | Myriopods |
| Answer» C. Insects | |
| 119. |
Contaminated water can cause the following diseases except which one of the following ? |
| A. | Hepatitis A |
| B. | Typhoid |
| C. | Measles |
| D. | Cholera |
| Answer» D. Cholera | |
| 120. |
Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies ? |
| A. | Pertussis |
| B. | Typhoid |
| C. | Diphtheria |
| D. | Chickenpox |
| Answer» C. Diphtheria | |
| 121. |
Which one of the following is not a genetic disorder ? |
| A. | Colour blindness |
| B. | Down's syndrome |
| C. | Haemophilia |
| D. | Xerophthalmia |
| Answer» E. | |
| 122. |
Which one of the following completes the given statement correctly ?The enzyme present in the saliva of human beings breaks |
| A. | starch into maltose |
| B. | proteins into peptides |
| C. | peptides into amino acids |
| D. | fats into fatty acids |
| Answer» B. proteins into peptides | |
| 123. |
The main function of the inner bark of a woody plant is to |
| A. | transport minerals and water from the roots to the leaves |
| B. | act as a membrane impermeable to water and gas |
| C. | transport food from the leaves to the other parts of the plant |
| D. | protect the plant from herbivorous animals |
| Answer» D. protect the plant from herbivorous animals | |
| 124. |
Which one among the following cell organelles is semi-permeable ? |
| A. | Cell membrane |
| B. | Plasma membrane |
| C. | Cell wall |
| D. | Nucleus |
| Answer» E. | |
| 125. |
Which one among the following nutrients is a structural component of the cell wall of plants ? |
| A. | Manganese |
| B. | Potassium |
| C. | Phosphorus |
| D. | Calcium |
| Answer» E. | |
| 126. |
Which one of the following diseases is caused by bacteria ? |
| A. | Chicken Pox |
| B. | Poliomyelites |
| C. | Influenza |
| D. | Tuberculosis |
| Answer» E. | |
| 127. |
The natural dye present in turmeric is known as |
| A. | Cinnamin |
| B. | Phenolphthalein |
| C. | Methyl orange |
| D. | Curcumin |
| Answer» E. | |
| 128. |
Which one of the following processes takes place in lakes during eutrophication ? |
| A. | Rapid destruction of algal growth |
| B. | Execessive availability of dissolved oxygen |
| C. | Loss of dissolved nutrients from water |
| D. | Excessive entry of nutrient into water |
| Answer» E. | |
| 129. |
Which one among the following Indian scientists proposed a theory for long distance transport of water in plants ? |
| A. | J.C. Bose |
| B. | Birbal Sahni |
| C. | P. Maheshwari |
| D. | N.S. Parihar |
| Answer» E. | |
| 130. |
Sandalwood tree is considered a |
| A. | total root parasite |
| B. | total stem parasite |
| C. | stem parasite |
| D. | partial root parasite |
| Answer» E. | |
| 131. |
Which one of the following completes the given statement correctly ?A seed is a ripened |
| A. | ovary |
| B. | flower |
| C. | gynoecium |
| D. | ovule |
| Answer» E. | |
| 132. |
The common wheat is |
| A. | Triticum aestivum |
| B. | Oryza satiya |
| C. | Pennisetum setaceum |
| D. | Hordeum vulgare |
| Answer» B. Oryza satiya | |
| 133. |
Coconut water, is teachnically |
| A. | pericarp |
| B. | endosperm |
| C. | Siutellum |
| D. | soft drink |
| Answer» C. Siutellum | |
| 134. |
Which one of the following is the largest phylum in the animal kingdom ? |
| A. | Annelida |
| B. | Arthopoda |
| C. | Chordata |
| D. | Protozoa |
| Answer» C. Chordata | |
| 135. |
Which one of the following is not a carnivorous plant? |
| A. | Heliamphora sp. |
| B. | Drosera sp. |
| C. | Nepenthes sp. |
| D. | Thymus sp. |
| Answer» E. | |
| 136. |
Censor mechanism of dispersal of seeds is found in |
| A. | Pea |
| B. | Poppy |
| C. | Cotton |
| D. | Maize |
| Answer» C. Cotton | |
| 137. |
Kuttu flour is obtained from |
| A. | Tapioca |
| B. | Fagopyrum |
| C. | Plantago |
| D. | Eleusine |
| Answer» C. Plantago | |
| 138. |
Which one of following is a useful functional association between fungi and the roots of higher plants? |
| A. | Biofertilizer |
| B. | Coralloid root |
| C. | Lichen |
| D. | Mycorrhiza |
| Answer» E. | |
| 139. |
Which one of the following is not an essential micronutrient for plants? |
| A. | Boron |
| B. | Zinc |
| C. | Sodium |
| D. | Copper |
| Answer» D. Copper | |
| 140. |
Which one of the following is an active component of oil of clove? |
| A. | Menthol |
| B. | Eugenol |
| C. | Menthanol |
| D. | Benzaldehyde |
| Answer» C. Menthanol | |
| 141. |
Noscapine is obtained from |
| A. | Poppy |
| B. | Basil |
| C. | Eucalyptus |
| D. | Ephedra |
| Answer» B. Basil | |
| 142. |
The hotness or pungency of chili pepper is due to |
| A. | Cucumin |
| B. | Sorbitol |
| C. | Argenol |
| D. | Capsaicin |
| Answer» E. | |
| 143. |
The chief contituent of cotton is |
| A. | Protein |
| B. | Fatty acid |
| C. | Cellulose |
| D. | Glycerine |
| Answer» D. Glycerine | |
| 144. |
Which plant's leaves are used to make outer wrap of 'beedi'? |
| A. | Cinchona |
| B. | Tendu |
| C. | Opium |
| D. | Areca |
| Answer» C. Opium | |
| 145. |
Saffron is obtained from which part of plants? |
| A. | Roots |
| B. | Stem |
| C. | Leaves |
| D. | Stigma and Style |
| Answer» E. | |
| 146. |
Photosynthesis using the invisible part of the sunlight is done by |
| A. | Trees |
| B. | Algae |
| C. | Fungi |
| D. | Bacteria |
| Answer» E. | |
| 147. |
Apart from quinine, which one of the following herbal drug is used to cure malaria? |
| A. | Arteether |
| B. | Glace |
| C. | Lutivit |
| D. | Cineraria |
| Answer» B. Glace | |
| 148. |
Which one of the following is a rich source of iron? |
| A. | Carrot |
| B. | Pea |
| C. | Rice |
| D. | Spinach |
| Answer» E. | |
| 149. |
Which of the following plant hormone is mainly responsible for fruit ripening? |
| A. | Cytokinin |
| B. | Abscissic acid |
| C. | Ethylene |
| D. | None of these |
| Answer» D. None of these | |
| 150. |
Which one of the following is the longest flower in the world? |
| A. | Lotus |
| B. | Sunflower |
| C. | Rafflesia |
| D. | Glory Lily |
| Answer» D. Glory Lily | |