Botany-CPMT MCQ Question and Answer
Botany-CPMT MCQ Question and Answer
1. Phototropic and geotropic movements in plants have been traced to be linked with—
- Auxin
- Gibberellin
- Both (A) and (B)
- Specific enzymes
2. The first case of polyembryony was reported in certain orange seeds by—
- Brawn
- Nawaschin
- Maheswari
- None of the above
3. When the change from sol into gel is reversible, the colloid is called—
- Gelation
- Solation
- Suspension
- Reversible colloid
4. The nuclear spindle consists of—
- One type of fibre
- Two types of fibres
- Three types of fibres
- Four types of fibres
5. Which of the following types of RNA takes a message from DNA in the nucleus to the
ribosomes in the cytoplasm ?
ribosomes in the cytoplasm ?
- m-RNA
- r-RNA
- t-RNA
- All of the above
6. ‘The imbibition theory of ascent of sap’ was first suggested by—
- Strasburger
- Bose
- Fischer
- Sachs
7. The maximum transpiration occurs in—
- Mesophytic plants
- Hydrophytic plants
- Xerophytic plants
- All algae except cyanobacteria
8. The transfer of minerals from top soil to subsoil through soil-water is called—
- Percolation
- Conduction
- Leaching
- Transpiration
9. One of the important evolutionary features of alternation of generation from algae to
flowering plants is—
flowering plants is—
- Gradual elaboration of sporophyte
- Gradual elaboration of gametophyte
- Gradual elaboration of both sporophyte and gametophyte
- Elimination of sporophyte