NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Botany MCQs (Practice_Test 90 of 104)
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- In which one of the following fossil types are the tissues best preserved?
- Compression
- Impression
- Petrifaction
- Cast
- Heteroblastic development is a characteristic feature of
- Submerged aquatic plants
- Free-floating aquatic plants
- Emergent aquatic plants
- All aquatic plants
- The food reservoir ‘mannitol’ is found in
- Rhodophyceae
- Phaeophyceae
- Cyanophyceae
- Xanthophyceae
- Which one of the following lichens is used in cosmetics?
- Ochrolechia
- Roccella
- Ramalina
- Parmelia
- A temperate bacteriophage
- Causes complete bursting of the infected bacterial cell after the latent period
- Does not cause bursting of the infected bacterial cell after the latent period
- Does not cause the death of the infected bacterial cell but continues to exist there and this cell divides almost like a normal cell
- Does not cause the death of the infected bacterial cell but the infected cell ceases to divide
- Consider the following statements about vesicular arbuscular mycorrhizae:
- They are phycomycetous endomycorrhizae.
- Their inoculations increase production in several crops.
- They are absent in rice fields which are flooded with water.
- Of these statements
- 1,2 and 3 are correct
- 1 and 2 are correct
- 2 and 3 are correct
- 1 and 3 are correct
- Consider the following statements about retrovirus
- It has an enzymes located in its cost.
- In it, the newly formed DNA becomes a part of the host cells chromosome
- It has a double-stranded DNA.
- Some of these are highly oncogenic.
- Of these statements
- 2,3 and 4 are correct
- 1,3 and 4 are correct
- 1,2 and 4 are correct
- 1,2 and 3 are correct
- A bacterial cell contains
- Mesosome, Golgi bodies and nucleoid
- Mesosome and Golgi bodies
- Mesosome and nucleoid
- Golgi bodies and nucleoid
- Consider the following statements: Mosses differ from liverworts in that their rhizoids are
- Brown
- Multicellular
- Obliquely spate.
- Unbranched.
- Of these statements
- 2,3 and 4 are correct
- 1,2 and 4 are correct
- 1,3 and 4 are correct
- 1,2 and 3 are correct
- Which of the following pairs are correctly matched?
- Match Item 1: Tent-pole
- Match Item 2: Ginkgo
- Match Item 1: Pavement tissus
- Match Item 2: Welwitschia
- Match Item 1: Massula
- Match Item 2: Azolla
- Match Item 1: Prismatic tissue
- Match Item 2: Isoetes
- Select the correct answer from the codes given below:
- 1,2 and 3
- 1,3 and 4
- 1,2 and 4
- 2,3 and 4
- The most completely fossil Bryophyte is
- Hepaticites
- Sphagnum
- Muscites
- Naiadita
- Match List I (Orders of Bryophyte) with List II (Characters present) are select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 90 of 104) List-I List-II - Marchantiales
- Leafy Jungerm-anniales
- Anthocerotales
- Funerals
- Neck of arch gonium composed of five vertical rows of cells
- Absence of elaters in capsule
- Archesporium arises from amphithecia
- Presence of scales on thralls
- A
- B
- C
- D
- 4
- 1
- 3
- 2
- 1
- 4
- 3
- 2
- 4
- 1
- 2
- 3
- 1
- 4
- 2
- 3
- Consider the following pigments:
- Chlorophyll a
- Chlorophyll b
- 3. Chlorophyll c
- Carotenes
- Biliproteins
- Xanthophylls
- The characteristic photosynthetic pigments present in chlorophyceae would include
- 1,2, 3 and 4
- 1,3, 4 and 5
- 2,3, 5 and 6
- 1,2, 4 and 6
- Gnetum resembles angiosperms in showing which one of the following types of female gametophyte development?
- Monophonic
- Bishopric
- Endymion
- Tetrasporic
- Which of the following photosynthetic characteristics are present in C3 plants but not in C4 plants?
- CO2 compensation point of 45 ppm
- Relatively higher rate of photo respiratory CO2 evolution
- Presence of well developed bundle sheath
- Initial involvement of RuBP carboxyl՚s (RuBis CO) in CO2 assimilation
- Select the correct answer using the codes given below:
- 1,2 and 3
- 1,2 and 4
- 1,3 and 4
- 2 and 4