Madhya Pradesh Pre Agriculture Test Biology Paper 2013
PAT_2013_PAPER_I – Biology | |
1. | Winged seeds are found in which of the following plants?
(a) Pinus (b) Cycas (c) Poppy (d) Caster |
2. | A pollen grain is also called
(a) Male sperm cell (b) Spre mother cell (c) Partially developed male gametophyte (d) Partially developed embryo |
3. | In angiosperms, archegonia are absent but are represented by
(a) Egg cell (b) Ovule (c) Egg apparatus (d) Synergids |
4. | In a typical Mendelian dihybrid cross, the number of pure homozygous plants in generation (out of 16) will be
(a) 09 (b) 03 (c) 02 (d) 01 |
5. | The percentage of energy transferred from one trophic level to the next one in a food chain is:
(a) 10% (b) 15% (c) 20% (d) 01% |
6. | Pyramids of energy are:
(a) Upright in all ecosystems (b) Upright in oceanic ecosystems (c) Inverted in forest ecosystems (d) Inverted in all ecosystems |
7. | Plants growing in acidic soils are called
(a) Psammophytes (b) Oxalophytes (c) Lithophytes (d) Halophytes |
8. | The apical meristem of the root is enclosed (protected) by
(a) Cortex (b) Velamen (c) Calyptra (d) Piliferous layer |
9. | The innermost layer of cortex that shows Casparian thickenings in its cells, is called:
(a) Exodermis (b) Endodermis (c) Epidermis (d) Pericycle |
10. | The concept distinguishing three zones cells in root and stem tips, is known as:
(a) Histogen theory (b) Tunica-Corpus theory (c) Meristem theory (d) Koper-Kappa theory |
Data Collected By – K. Jeyanthi | |
Published on – 16th Nov 2021 | |
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