NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Botany MCQs (Practice_Test 11 of 104)
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- Golden rice is a transgenic crop with a trait for
- Pest resistance
- High vitamin a content
- Drought resistance
- High protein content
- In which one of the following combinations, the compounds are arranged in ascending order based on their molecular weights?
- DNA, RNA, AMP, ADP, ATP
- DNA, RNA, ATP ADP AMP
- AMP ADP ATP RNA, DNA
- AMP ATP ADP DNA, RNA
- The strongest evidence for DNA being the genetic material is deduced from
- The fact that DNA is present not only in the nucleus but also in mitochondria and plastids
- The situation that chromosomes are made up of DNA
- The researches involving transformation experiments in the bacterial cells
- The reality that DNA has the potentiality to replicate
- Match List I (Phenomenon) with List II (Effects⟋States) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 11 of 104) List-I List-II - Crossing over
- Coupling
- Coincidence
- Repulsion
- Cis-configuration
- Trans-configuration
- Recombination
- Double cross-over
- A
- B
- C
- D
- 3
- 1
- 4
- 2
- 4
- 3
- 1
- 2
- 2
- 1
- 4
- 3
- 3
- 4
- 2
- 1
- In a particular plant, genes for tall (T) plan and red (R) flowers are dominant over dwarf (t) plant and white (r) flowers. When a dithered of F1 was test crossed. It produced following progenies:
- Tall and Red-44
- Tall and White-5
- Dwarf and Red-7
- Dwarf and White-44
- What would be the distance between genes t and r on the basis of the data given above?
- 44 map units
- 5 map units
- 7 map units
- 12 map units
- The main difference between luxuriance and heterocyst is that luxuriance is
- An environmental phenomenon while heterocyst is a genetic phenomenon
- Observed in self-pollinating species while heterocyst is obverted in crosspollinating species
- An evolutionary accident brought about by complementary action of genes while heterosis is an expression of superior adaptation
- Related to sterility while heterocyst is related fertility
- Which one of the following pairs is NOT correctly matched?
- Match Item 1: Inbreeding depression
- Match Item 2: Homozygosity
- Match Item 1: Hybrid vigour
- Match Item 2: Heterozygosity
- Match Item 1: Apogamy
- Match Item 2: Fertilization
- Match Item 1: Male sterility
- Match Item 2: Cross-pollination
- Consider the following statements: Apomixis is phenomenon in which
- Fertilization occurs regularly
- Fertilization does not occur at all
- Embryo is formed directly from an egg or male gamete
- Formed embryo may be haploid or diploid
- Which of the above statements is⟋are correct?
- 1 alone
- 1 and 3
- 1,2 and 3
- 2,3 arid 4
- The most commonly used growth regulator to induce somatic embryogeriesis is
- BAP
- 2,4 − D
- IAA
- GA3
- Which one of the following pairs is NOT correctly matched?
- Match Item 1: Early blight of potato
- Match Item 2: Aalternaria solani
- Match Item 1: Brown rot of potato
- Match Item 2: Pseudomonas solanacerarum
- Match Item 1: Leaf spot of potato
- Match Item 2: Cercospora concurs
- Match Item 1: Ring rot of potato
- Match Item 2: Phytophtora infestans
- The species of Tilletia responsible for hill bunt or stinking smut of wheat are
- Tilletia caries and T. Foetida
- Tilletia caries and T. Barclayana
- Tilletia caries and T. Foetida
- Tilletia contraversa and T. Caries
- The foul fishy smell of a volatile chemical trimethylamine in the disease-infested wheat field is an indicator of
- Rust
- Smut
- Blast
- Bunt
- 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 11 of 104) List-I List-II - Trichoderma
- Systemic fungicide
- Phyllosphere
- False smut
- Bavistin
- Microorganisms inhabiting leaf surface
- Ustilaginoidea vireos
- Mycoparasitism
- A
- B
- C
- D
- 3
- 1
- 2
- 4
- 1
- 2
- 4
- 3
- 4
- 1
- 2
- 3
- 4
- 2
- 3
- 1
- The main plant exported from Andhra Pradesh Is
- Oryza sativa
- Coffea arabica
- Nicotiana
- tabacum
- Cocos nuciefera
- Match List I (Use) with List II (Name of the plant) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 11 of 104) List-I List-II - Fibre
- Oil
- Drug
- Timber
- Swietenia macrophylla
- Arachis hypogaea
- Corchorus capsularis
- Taxus baccata
- A
- B
- C
- D
- 2
- 4
- 3
- 1
- 3
- 2
- 1
- 4
- 3
- 2
- 4
- 1
- 2
- 1
- 4
- 3
- Which one of the following pairs is correctly matched?
- Match Item 1: Tannia
- Match Item 2: Bixa orellana
- Match Item 1: Annatto
- Match Item 2: Cassia auriculata
- Match Item 1: Indigo
- Match Item 2: Indigofei caerulea
- Match Item 1: Cochineal dye
- Match Item 2: Dactypius coccus