NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Botany MCQs (Practice_Test 5 of 104)
Get top class preparation for competitive exams right from your home: get questions, notes, tests, video lectures and more- for all subjects of your exam.
- Assertion (A) : Auxins are found in large amounts in apical meristem of shoot.
- Reason (R) : The shoot is exposed to sunlight.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true but R is NOT the correct explanation of A
- A is true but R is false
- A is false but R is true
- Stromatolites in the rocks are good indicators of
- Cyanobacteria
- Chlorophyceae
- Prion
- Lichen
- Cacti and Euphorbia are not easily distinguished because they grow under similar conditions of xenomorphic environment and show identical morphological adaptations. Such a type of parallel evolution is referred to as
- Divergent evolution
- Convergent evolution
- Retrogressive evolution
- Progressive evolution
- Given below are the processes of speciation:
- Reproductive isolation
- Geographical isolation
- Homogenous population
- The correct sequence of these processes of speciation is
- 2,3, 1
- 2,1, 3
- 3,1, 2
- 3,2, 1
- Branched hair-like sclereids are called
- Trichosclereids
- Fibriforrm sclereids
- Brachysclereids
- Polymorphic selereids
- Wood with vessels of equal diameters uniformly distributed through a growth ring is referred to as
- Diffuse porous wood
- Ring porous wood
- Storied wood
- No storied wood
- Match List I (Types of tissues) with List II (Examples of plants) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 5 of 104) List-I List-II - Multiple epidermis
- Bulliform cells
- Articulated laticifers
- Biocallateral vascular bundles
- Oryza sp.
- Ficus sp.
- Cucurbita sp.
- Carica sp.
- A
- B
- C
- D
- 4
- 1
- 2
- 3
- 4
- 1
- 3
- 2
- 2
- 4
- 3
- 1
- 2
- 1
- 4
- 3
- According to the concept of waiting meristem, the active region of shoot apex is
- Anneau initial
- Meristeme medullaire
- Promeristeme sporogene
- Promeristeme receptaculaire
- The genus Trapa has been excluded from the family Onagraceae and is given the status of a family on the basis of data obtained from
- Anatomy
- Embryology
- Palynotogys
- Cytology
- Which one of the following is NOT permissible according to the rules of botanical nomenclature?
- Synonym
- Tautonym
- Autonym
- Basionym
- Which one of the following is the most effect tool in species delimitation within the species complex?
- Cytogenesis
- Photochemistry
- RNA characterization
- DNA finger printing
- Which one of the following ranuculaceous genera was raised to the level of a family on the basis of serological and embryological characters?
- Eranthis
- Adonis
- Paeonia
- Caltha
- Match List I with List II and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 5 of 104) List-I List-II - Fairy rings
- Symbiosis
- Salmon disease
- Water blooms
- Chlamydomonas
- Saprolegnia
- Agaricus
- Cyanobacteria
- A
- B
- C
- D
- 1
- 2
- 3
- 4
- 4
- 3
- 2
- 1
- 3
- 2
- 1
- 4
- 3
- 1
- 2
- 4
- Consider the following pairs:
- Match Item 1: Sporogonium opening irregularly
- Match Item 2: Marchantia
- Match Item 1: Sporogonium splitting down into two halves
- Match Item 2: Scapania
- Match Item 1: Sporogonium with a bulbous foot
- Match Item 2: Anthoceros
- Match Item 1: Sporogonium without a long stalk-like seta
- Match Item 2: Sphagnum
- Which of the above pairs are correctly matched?
- 1,2, 3 and 4
- 1,2 and 4
- 1,3 and 4
- 2 and 3
- The additional spermatozoids in Micrococcus are produced due to mitosis in
- Tube cell
- Sperms
- Stalk cell
- Body cell