Botany GATE Question Papers

1. Which of the following is a repressor of gibberellin signalling ? (1) DELLA (2) AUX (3) HPT (4) TTR1 2. Lampbrush chromosomes are seen in which stage of cell division ? (1) Leptotene (2) Diplotene (3) Diakinesis (4) Zygotene 3. Which of the following culture technique is most suitable for the production of secondary

Botany Viva Question Papers

1. Which one of these is an epigenetic cause of somaclonal variation ? (1) Chromosomal abrasion (2) Point mutations (3) Transposable elements activation (4) Methylation / demethylation 2. According to stability statistics, a genotype exhibiting small magnitude of among environmental variance will have (1) Type I stability (2) Type II stability (3) Type III stability

Botany NET Question Paper

1. In Drosophila C / B genotype used by Muller, ‘C’ stands for crossover suppressor due to (1) presence of a suppressor gene (2) inversion of / B region (3) a deletion between / and B loci (4) transposable element between / and B loci 2. Evolutionary relic of a functional gene is called as

Botany Objective Papers

1. On the basis of distribution of gases , the atmosphere has zonation in one of the following orders : 1) Troposphere , Mesosphere, Stratosphere, Ionosphere and Exosphere 2) Mesosphere, Stratosphere, Troposphere , Ionosphere and Exosphere 3) Ionosphere , Stratosphere , Mesosphere, Troposphere , and Exosphere 4) Troposphere ,Stratosphere, Mesosphere, Ionosphere and Exosphere 2. Which

Botany NEET Question Paper

1. Non ­columellate species of Notothylas is ­ 1) Notothylas indica 2) Notothylas orbicularis 3) Notothylas leveri 4) All species of Notothylas 2. Air­gun mechanism of spore dispersal is present in : 1) Sphagnum 2) Funaria 3) Frullania 4) Pogonatum 3. Which one of the following pteridophytes is zerophytic ? 1) Azolla 2) Salvinia 3)

Botany Mock Test

1. Haplontic type of alternation of generation is found in ­ 1) Chara 2) Ectocarpus 3) Enteromorpha 4) Ulva 2. Which of the following algae have non­flagellate coenobia ? 1) Eudorina 2) Pandorina 3) Pediastrum 4) Volvox 3. Algae that contain chlorophyll a and c are commonly known as : 1) Chromophyta 2) Euglenophyta 3)

Botany Practice Question

1. Which one of the following variety is not a variety of Mungbean :- A. RMG 492 B. IPM 02-3 C. SML 668 D. RMO 40 2. ‘Gangaur’ is a popular variety of gram developed at:- A. ARS, Kota B. ARS, Sriganganagar C. CAZRI,Jodhpur D. RCA, Udaipur 3. A popular variety of guar is:- A.

Botany GK

1. According to cell theory, cell is :- A. Basic unit of living beings B. Smallest unit of life C. Structural and functional unit of living organisms D. Self sufficient unit of life 2. Most suitable stage of cell division for study of chromosome morphology:- A. Meotic prophase B. Mitotic metaphase C. Meotic telophase D.

Botany Quiz

1. Plant biotechnology involves :- A. Production of valuable products from plants B. Rapid clonal multiplication of desired genotypes C. Production of virus free plants D. All of these 2. Cris – cross inheritance applies to which type of the gene inheritance :- A. Sex liked gene inheritance B. Sex influenced gene inheritance C. Sex

Botany MCQs

1. Selection generation after generation with the intercrossing of selects is :- A. Mass selection B. Full sib selection C. Half sib selection D. Recurrent selection 2. 2n – 2 represents :- A. Nullisomic B. Tetrasomic C. Trisomic D. Monosomic 3. 2VF₂ – (VB1₁ + VB₂) is equal to :- A. 1/4 D B. 1/2