Identify The Meiotic Stage In Which The Homologous Chromosomes Separate While The Sister Chromatids Remain Associated At Their Centromeres.
a) Anaphase II b) Metaphase I c) Anaphase I d) Metaphase II Answer: c) Anaphase I
a) Anaphase II b) Metaphase I c) Anaphase I d) Metaphase II Answer: c) Anaphase I
a) Thylakoids – flattened membranous sacs forming the grana of chloroplasts b) Lysosomes – optimally active at a pH of... View Article
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a) Ascaris and Ancylostoma – Metameric segmentation b) Garden lizard and Crocodile – Three chambered heart c) Pteropus and Ornithorhynchus... View Article
a) as selectable markers b) as sequences from where replication starts c) to keep the cultures free of infection d)... View Article
a) DNA fingerprinting b) Transformation of plant cells c) Constructing recombinant DNA by joining with vectors d) Disarming pathogen vectors... View Article
a) both sense and antisense RNA b) a toxic protein c) an antifeedant d) a particular hormone Answer: a) both... View Article
a) Carbon dioxide b) Methane c) Propane d) Butane Answer: b) Methane Explanation: The most amount of methane in gobar... View Article
a) Azolla b) Typha c) Salix d) Vallisneria Answer: d) Vallisneria Explanation: Vallisneria represents the second stage of Hydrosere which... View Article
a) Net primary productivity b) Secondary productivity c) Gross primary productivity d) Net productivity Answer: b) Secondary productivity Explanation: Secondary... View Article
a) year-round flow of water in rivers b) generating environmental awareness c) preventing soil erosion d) conserving rare and threatened... View Article
a) Ginger b) Zamikand c) Carrot d) Turmeric Answer: c) Carrot
a) High input of energy b) Mn2+ c) Super oxygen radicals d) Light Answer: a) High input of energy Explanation:... View Article
a) Relatively thicker periderm b) Many xylem bundles c) More abundant secondary xylem d) Inconspicuous annual rings Answer: b) Many... View Article
a) Apical dominance b) Flowering c) Fruit elongation d) Closure of stomata Answer: b) Flowering Explanation: Flowering is caused by... View Article
a) Five b) Three c) Six d) Four Answer: c) Six
a) Cancer cells commonly show chromosomal aberrations b) UV and Gamma rays are mutagens c) Deletion and insertion of base... View Article
a) Ribosome b) ER c) Mesosome d) Peroxisome Answer: a) Ribosome
a) Zinc b) Niacin c) Iron d) Copper Answer: a) Zinc Explanation: For carboxypeptidases, zinc is a cofactor.
a) Protista b) Monera c) Plantae d) Algae Answer: a) Protista