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MCQs 1: Cells intercommunicates with neighbouring cells by_________________?

Plasmedesmata Plasmedesmata Trachieds Nessels
Answer Explanation

MCQs 2: Male sterility in flowering plant was first reported by___________________?

Stout (1917) Koelreuter (1763) Brewbaker (1810) Gerstel (1900)
Answer Explanation

MCQs 3: Breeder seed is the progeny of__________________?

Cenified seed Nucleus seed Foundation Registered seed
Answer Explanation

MCQs 4: Gene for gene hypothesis was proposed by__________________?

Nelson (1973) Flor (1956) Robinson (1971) Vander plank (1963)
Answer Explanation

MCQs 5: Heterosis results due to____________________?

Dominance Overdominance Epistasis All the above
Answer Explanation

MCQs 6: capsicum is a rich source of___________________?

Vitamin A Vitamin C Vitamin D None of the above
Answer Explanation

MCQs 7: Two allelie genes are located on_______________________?

Two homologous chromosomes Two non homologous chromosomes Any two chromosomes with one each Same chromosomes
Answer Explanation

MCQs 8: If a plant is heterozygousand is designated (BbMm)and produces two kinds of gametes either (BM)or (bm), then the possibility of (bm) gametes fertilizing either (BM) or (bm) is_________________?

Half 0/1 1/1 1/4
Answer Explanation

MCQs 9: Diagrammatic representation of the chromosomes of an organism arranged according to their size is called_____________________?

Ideogram Gene map Karyotype Phenotype
Answer Explanation

MCQs 10: The process of transfer and deletion of several gene is_____________________?

Gene mutation Chromosomal mutation Monoploldy Synapsis
Answer Explanation

MCQs 11: Maize has 10 pairs of chromosomes. how many linkage groups will be present if all the genes are mapped__________________?

10 20 20 20
Answer Explanation

MCQs 12: An individual with two identical members of a part of geneue factors is called__________________?

Hybrid Homozygous Heterozygous Dominant
Answer Explanation

MCQs 13: Plants can be made disease resistant by___________________?

Colchicines treatment Heat treatment Breeding with the wild variety Hormone spray
Answer Explanation

MCQs 14: The first organisms to appear on the earth were more like plants than animals because__________________?

Plants can manufacture their own food material There are more plants than animals Plants are similar in structure None of the above
Answer Explanation

MCQs 15: Evolution proceed on account of____________________?

Conversion pf organism to change of environment Fossils Adaptations through genervation Struggle for existence
Answer Explanation

MCQs 16: Organic evolution through large discontinuous variations was propound by__________________?

Mendel Darwin Huge and Vnes Lamak
Answer Explanation

MCQs 17: One of the persons whose evolutionary ideas were close to that of Laraarcd was____________________?

Lysendo Vavilow Weismann H be vnes
Answer Explanation

MCQs 18: When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?

Albinism is dominant over green characters Green plastids of male parent become nitrated Plastids are inherited through maternal parents Crossing over results in structural changes in green plastids
Answer Explanation

MCQs 19: Number of lindage groups of chromosomes____________________?

Diploid number of chromosomes Tetraploid number of chromosomes Haploid number of chromosomes None of the above
Answer Explanation

MCQs 20: One of the following is not an advantage of genetic engineering___________________?

Microbes act as biological factories Improvement of crop can take place The gene pool is maintained Genetic error can be rectified
Answer Explanation

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