BIO309
Question: Convex lens is also known as
Answer: converging lens
Question: One of these does not describe the position of the centromeres in chromosomes?
Answer: chromocentric
Question: What is the best method for the control of plant diseases?
Answer: Use of plant varieties with inherent disease resistance
Question: The small bead-like structures that appear in the pachytene stage of meiosis are known as
Answer: Chromomeres
Question: The thread-like coiled structures present in chromatids of chromosomes are called
Answer: chromonema
Question: The tendency of the progeny of a cross to outperform both parents is referred to as
Answer: heterosis
Question: In what year was the term heterosis described?
Answer: 1908
Question: Hybrid vigour is also known as
Answer: heterosis
Question: The mass of acromatic material which surrounds the chromonemata is called
Answer: matrix
Question: The multifactorial kind of resistance in resistance breeding is called
Answer: horizontal resistance
Question: The breeding technique, cytoplasmic male sterility, was developed by
Answer: Marcus Morton Rhoades
Follow on Twitter for your Free Past Questions I Free Exams Summary I Free Past Tma Questions
Whatsapp: 08039407882 for your Exam Summary I Online Tutorial I Projects Writeups I To become a Tutor
