u930973931_answers

15 Score: 0 Attempted: 0/15 Subscribe 1. In a dihybrid cross between two heterozygous individuals (AaBb x AaBb), the expected phenotypic ratio in the F2 generation is: (A) 9:3:3:1 (B) 1:2:1 (C) 3:1 (D) 1:1:1:1 2. The phenomenon where one gene masks the expression of another gene is called: (A) Epistasis (B) Codominance (C) Incomplete … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following techniques is used to generate genetically modified plants by introducing foreign genes into their genome? (A) Somatic hybridization (B) CRISPR-Cas9 (C) Polyploidization (D) Genetic engineering 2. In Marker-Assisted Selection (MAS), molecular markers are used to: (A) Induce mutations in the plant genome (B) Select … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is NOT a basic assumption of normal distribution in plant biometry? (A) The data is symmetrically distributed around the mean (B) The distribution has a bell-shaped curve (C) Data points are clustered around the median (D) The variance of the data is constant across … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following processes is responsible for the formation of genetic recombination in meiosis? (A) Independent assortment (B) Crossing over (C) Cytokinesis (D) DNA replication 2. Which of the following is a type of chromosomal aberration that results in the loss of a part of a chromosome? … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following breeding methods is most effective for improving self-pollinated crops like wheat? (A) Pedigree method (B) Mass selection (C) Hybridization (D) Heterosis breeding 2. In hybridization breeding, the F1 generation is produced by crossing: (A) Two homozygous parents of the same species (B) Two genetically … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is a core concept of rural sociology? (A) Urbanization (B) Social change in rural settings (C) Industrialization (D) Globalization 2. In rural development, the “participatory approach” refers to: (A) Government-led development projects without local input (B) Ensuring the community’s involvement in the decision-making process … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following methods is primarily used to separate DNA fragments based on their size? (A) Southern blotting (B) PCR (Polymerase Chain Reaction) (C) Gel electrophoresis (D) Northern blotting 2. In a PCR reaction, what is the purpose of the annealing step? (A) To denature the DNA … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is the most efficient method of irrigation in terms of water use efficiency? (A) Surface irrigation (B) Drip irrigation (C) Sprinkler irrigation (D) Furrow irrigation 2. What is the main purpose of subsurface drainage in agricultural fields? (A) To increase the soil’s water retention … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is a characteristic feature of insects in the order Coleoptera (beetles)? (A) Two pairs of wings with membranous structure (B) One pair of wings and one pair of halteres (C) Elytra that cover the wings (D) Chewing mouthparts with a soft exoskeleton 2. What … Read more

15 Score: 0 Attempted: 0/15 Subscribe 1. Which of the following characteristics is shared by all insects? (A) Two pairs of wings (B) Three pairs of legs (C) A soft, segmented body (D) A simple eye structure 2. What is the term used to describe the shedding of the exoskeleton in insects? (A) Metamorphosis (B) … Read more