MP PAT Previous Year Paper 2013 – Biology

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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