MCQOPTIONS
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MCQOPTIONS
This section includes 121 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Natural system of classification of plants differs from artificial system of classification in |
| A. | taking into account only one vegetative character |
| B. | taking into account only one floral character |
| C. | taking into account all the similarities between plants |
| D. | all of these |
| Answer» D. all of these | |
| 102. |
Systema Naturae’ written by Linnaeus contains a list of |
| A. | 4000 species of plants |
| B. | 2000 species of plants |
| C. | 4200 species of plants |
| D. | 4200 species of animals |
| Answer» E. | |
| 103. |
The chief merit of Bentham and Hookers classification is that |
| A. | it is a natural system of classification of all group of plants |
| B. | a system based on evolutionary concept |
| C. | it also considered the phylogenetic aspect |
| D. | The description of taxa are based on actual examination of the specimens |
| Answer» E. | |
| 104. |
Out of the 4 widely known systems of classification one remains less phylogenetic and more natural and that is of |
| A. | Engler and Prantl |
| B. | Hutchinson |
| C. | Bentham and Hooker |
| D. | Rendle |
| Answer» D. Rendle | |
| 105. |
Linnaeus is credited with introducing |
| A. | The concept of inheritance |
| B. | Law of limiting factor |
| C. | Theory of heredity |
| D. | Binomial nomenclature |
| Answer» C. Theory of heredity | |
| 106. |
The system of plant classification proposed by Carolus Linnaeus was artificial because |
| A. | It was based on evolutionary relationship of plants |
| B. | It was based on similarities and differences in floral and other morphological characters only |
| C. | It took into account the physiological facts along with the morphological characters |
| D. | None of the above |
| Answer» E. | |
| 107. |
Which of the following give rise to the cork tissue? |
| A. | phellogen |
| B. | periblem |
| C. | periderm |
| D. | phelloderm |
| Answer» B. periblem | |
| 108. |
The bark of a tree comprises |
| A. | all the tissues outside the cork cambium |
| B. | all the tissues outside the vascular camboim |
| C. | only the cork |
| D. | just inside the cork cambium |
| Answer» B. all the tissues outside the vascular camboim | |
| 109. |
The best method to determine the age of tree is |
| A. | to count the number of leaves |
| B. | to count the number of annual rings |
| C. | to measure it’s diameter |
| D. | to find out the number of branches |
| Answer» C. to measure it’s diameter | |
| 110. |
Intercalary meristem results in |
| A. | secondary growth |
| B. | apical growth |
| C. | primary growth |
| D. | none of the above |
| Answer» D. none of the above | |
| 111. |
Sclerenchymatous bundle sheath is present in |
| A. | Grass |
| B. | Mango |
| C. | Banyan |
| D. | Mango |
| Answer» B. Mango | |
| 112. |
Velamen cells are found in epiphytes |
| A. | below the epidermis |
| B. | just outside the cortex |
| C. | below the endodermis |
| D. | just outside the exodermis |
| Answer» E. | |
| 113. |
The lateral roots generally originate in |
| A. | cork cambium |
| B. | cortex |
| C. | pericycle cells lying against protoxylem |
| D. | endodermal cells lying against protoxylem |
| Answer» D. endodermal cells lying against protoxylem | |
| 114. |
Annual rings are distinct in plants growing in |
| A. | Temperate regions |
| B. | Tropical regions |
| C. | Grasslands |
| D. | Arctric region |
| Answer» B. Tropical regions | |
| 115. |
External protective tissue of plants are |
| A. | cork and cortex |
| B. | cortex and epidermis |
| C. | Epidermis and cork |
| D. | pericycle and cortex |
| Answer» D. pericycle and cortex | |
| 116. |
Presence of casparian strips is characteristic feature of |
| A. | Endodermis |
| B. | Exodermis |
| C. | Epidermis |
| D. | Pericycle |
| Answer» B. Exodermis | |
| 117. |
Abnormal secondary growth is found in |
| A. | Dracaena |
| B. | Triticum |
| C. | Helianthus |
| D. | Cucurbita |
| Answer» B. Triticum | |
| 118. |
Vascular bundles in a dicot stem are |
| A. | open,collateral,exaarch |
| B. | closed, collateral, endarch |
| C. | closed, collateral,exarch |
| D. | open, collateral, endarch |
| Answer» E. | |
| 119. |
A simple mechanical tissue devoid of lignin is |
| A. | parenchyma |
| B. | sclerenchyma |
| C. | collenchyma |
| D. | chlorenchyma |
| Answer» D. chlorenchyma | |
| 120. |
The waxy substance associated with the wall of cork cells is |
| A. | Cutin |
| B. | Lignin |
| C. | Hemicellulose |
| D. | Suberin |
| Answer» E. | |
| 121. |
Collenchyma are characterized by the presence of |
| A. | elongated cells with deposits of cellulose and pectin all over the wall |
| B. | isodiametric cells with deposits of cellulose and pectin at the corners |
| C. | elongated cells with thickening at the corners |
| D. | isodiametric cells with thickening all over the wall |
| Answer» D. isodiametric cells with thickening all over the wall | |