Botany Solved Question Paper-CPMT Entrance exam

^{Previous year Botany solved question paper of CPMT entrance exam 2008. It is important for all type medical exam preparation. Answer of question with explanation giving to end of question paper.}

1. Match column A (Types of fruits) with column B (Examples) then select the correct answer from the options given below—
   Column A
   a. Lomentum
   b. Samara
   c. Achene
   d. Amphisacra
   Column B
   1. Aegle
   2. Mirabilis
   3. Acacia
   4. Acer
   a b c d
   (A) 3 4 1 2
   (B) 3 1 2 4
   (C) 3 2 1 4
   (D) 3 4 2 1

   2. Phototropic and geotropic movements in plants have been traced to be linked with—
   (A) Auxin
   (B) Gibberellin
   (C) Both (A) and (B)
   (D) Specific enzymes

   3. The first case of polyembryony was reported in certain orange seeds by—
   (A) Brawn
   (B) Nawaschin
   (C) Maheswari 
   (D) None of the above

   4. When the change from sol into gel is reversible, the colloid is called—
   (A) Gelation 
   (B) Solation
   (C) Suspension 
   (D) Reversible colloid

   5. The nuclear spindle consists of—
   (A) One type of fibre
   (B) Two types of fibres
   (C) Three types of fibres
   (D) Four types of fibres

   6. Which of the following types of RNA takes a message from DNA in the nucleus to the
   ribosomes in the cytoplasm ?
   (A) m-RNA 
   (B) r-RNA
   (C) t-RNA 
   (D) All of the above

   7. ‘The imbibition theory of ascent of sap’ was first suggested by—
   (A) Strasburger 
   (B) Bose
   (C) Fischer 
   (D) Sachs

   8. The maximum transpiration occurs in—
   (A) Mesophytic plants
   (B) Hydrophytic plants
   (C) Xerophytic plants
   (D) All algae except cyanobacteria

   9. The transfer of minerals from top soil to subsoil through soil-water is called—
   (A) Percolation 
   (B) Conduction
   (C) Leaching 
   (D) Transpiration

   10. One of the important evolutionary features of alternation of generation from algae to
   flowering plants is—
   (A) Gradual elaboration of sporophyte
   (B) Gradual elaboration of gametophyte
   (C) Gradual elaboration of both sporophyte and gametophyte
   (D) Elimination of sporophyte

   11. Circular DNA is found in—
   (A) Chloroplasts 
   (B) Mitochondria
   (C) Bacteria 
   (D) All of the above

   12. Which of the following respiratory substrates has the highest value of respiratory quotient ?
   (A) Glucose 
   (B) Protein
   (C) Fats 
   (D) Malic acid

   13. Who described mitochondria as bioplast ?
   (A) Altmann 
   (B) Waldayer
   (C) Kollikar 
   (D) Hanstein

   14. Which of the following statements is/are correct regarding microtubules ?
   (A) They are about 200 A° to 270 A° in external diameter having an electron dense wall some 50A° to 70A° thick
   (B) They can be considered as the universal components of eukaryotic cells
   (C) They are usually found in rotating conditions
   (D) All of the above statements are correct

   15. The term ‘chromatophore’ was coined by—
   (A) Garner and Allard
   (B) W. Pfeffer
   (C) Nawaschin
   (D) Schmitz

   16. Phytotron is a device by which—
   (A) Plants are grown in controlled environment
   (B) Leaf fall occurs on abscission layer
   (C) Mutations are produced in plants especially during spores formation
   (D) Protons are liberated after photosynthesis

   17. Annual (growth) rings are formed by the activity of—
   (A) Xylem
   (B) Phloem
   (C) Both (A) and (B)
   (D) Cambium

   18. The chief components of Hill’s reaction used in Blackmann’s reactions are—
   (A) ATP and ADP
   (B) ATP and NADPH₂
   (C) NADP and ADP
   (D) ATP and NADH₂

   19. The process of the escape of liquid from the tip of uninjured leaf is called—
   (A) Transpiration 
   (B) Osmosis
   (C) Guttation 
   (D) Evaporation

   20. The primitive type of stomata are found in—
   (A) Leaves of moss plants
   (B) Xerophytic leaves
   (C) Apophysis of capsule
   (D) Dorsiventral leaves of monocot

   21. Long dark periods of short day plants (SDPs), if interrupted by a brief exposure of red light (660 μ) the flowering is—
   (A) Inhibited 
   (B) Vigorous
   (C) Promoted 
   (D) None of the above

   22. Number of chromatids per chromosome complex at metaphase is—
   (A) Two in mitosis and one in meiosis
   (B) Two in mitosis and four in meiosis
   (C) Four in mitosis and two in meiosis
   (D) Two in both mitosis and meiosis

   23. The dark staining region in a chromosome is called—
   (A) Euchromatin 
   (B) Heterochromatin
   (C) Paracentric 
   (D) Pericentric

   24. Plastids are not found in—
   (A) Gram positive bacteria
   (B) Gram negative bacteria
   (C) Fungi
   (D) All of the above

   25. Bacterial nucleoid consists of—
   (A) One double-stranded DNA
   (B) Two double-stranded DNA
   (C) Two single-stranded DNA
   (D) One single-stranded DNA