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
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
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)
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)
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.
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.
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
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
1. If the cell is placed in hypertonic solution, what will happen? (a) Endosmosis (b) Exosmosis (c) Deplasmolysis (d) No change 2. The soil is physiologically dry when: (a) It has no hygroscopic water (b) Conc. of soil solution is high er than cell (c) Soil temp. is 4 Degree Celsius (d) Excess of CO2
1. The rusts are caused by (a) Ustilaginales (b) Peronosporales (c) Uredinales (d) Erysiphales 2. The whip smut of sugarcane is caused by (a) Ustilago maydis (b) Ustilago hordei (c) Ustilago scitaminea (d) Ustilago nuda 3. Loose smut of wheat is caused by (a) Ustilago (b) Cystopus (c) Puccinia (d) Aspergillus 4. Neurospora sitophila is
