Question
fmpredorces of the weight of the surrounding substrate from the stresses of oumotic ot the cell watt t substn J Siturot support and rigldity in the t e None of the above oumotle shiracial habitan 40. In which part of the body ls y te infection by Entomoebo histolytica most dangerous by b) stomach c) lungs d) intestines e) colon 41. In the I slime mold polycephalum, the zygote results from a) fusion of a haploid amoeboid cell with a hoplold flage c) fusion of a haplold amoeboid cell with a haploid spore: c) fusion of two haploid flagelated cells e) fusion of two hoploid spores 42. Arrange the following from argest to smallest, assuming that they all come from the some basidiocarp 2. 3. basidiospore mycelium gill 5. a) 51423 b) 451 23 c) 5?1?4?3?2 d) 4 15 23 43. Among sac fungi, which of these correctly distingutshes ascospores from conidic? a) Ascospores are diploid, whereas conidia are haploid. b) Ascospores have und ergone genetic recombination via meiosis during their development, whereas conidia have not. c) Ascospores are produced only by meiosis, whereas conidia are produced only by mitosis. d) Ascospores are larger, whereas conidia are smaller e) Ascospores will germinate into haploid hyphae, whereas conidia will germinate into diploid hyphae. 44. Of all taxa termed "algae" (e.g. Phaeophyta or "brown algae", Rhodophyta or "red algae", as well s the various "green algae"), which of the following characteristics is the ONLY one that all share that has isen due to common ancestry? a) Chlorophyll a. b) Phragmoplast c) Origin of mitochondria via endosymbiosis ] Chlorophyll b. Multicellular sporophyte.
Explanation / Answer
Ans 39)
c) Structural support and rigidity in the terrestrial habitat. Chitin is a type of structural polysaccharide which helps in providing rigidity to the overall structure of the cell by cross-linking the polymers.
Ans 40) c) Lungs
The amoeba infection can gradually spread from different parts of the body to the lungs and if it is left untreated it is fatal.
Ans 41) In the plasmodial slime mold Physarum polycephalum, the zygote results from
b) fusion of two haploid amoeboid cells