BIOLOGICAL CLASSIFICATION - I

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Information about BIOLOGICAL CLASSIFICATION - I
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Published on April 26, 2018

Author: sunitafeme

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Slide1: OBJECTIVE QUESTIONS FOR NEET AIIMS JIPMER www.wisedane.com Slide2: BIOLOGY BIOLOGICAL CLASSIFICATION SET 1 MCQ’s Q1. Organisms under phylum Nematoda show : Q1. Organisms under phylum Nematoda show chitinous exoskeleton covering segmented bodies Solid , unsegmented, bilaterally symmetrical body; no body cavity Pseudocoelom , unsegmented, bilaterally symmetrical worms; tubular digestive tract passing from mouth to anus; tiny; without cilia No digestive cavity ANSWER (C) EXPLANATION : ANSWER (C) EXPLANATION Organisms under phylum Nematoda show Pseudocoelom, unsegmented, bilaterally symmetrical worms; tubular digestive tract passing from mouth to anus; tiny; without cilia; live in great numbers in soil and aquatic sediments Q2. The Roundworms, hookworms, Filaria comes under : Q2. The Roundworms, hookworms , Filaria comes under Mollusca phylum Nematoda phylum Arthropoda phylum Chordata phylum ANSWER (B) EXPLANATION : ANSWER (B) EXPLANATION The Roundworms, hookworms, Filaria comes under Nematoda phylum Q3. Annelida are also called : Q3. Annelida are also called Segmented worms Cnidarians Echinoderms Sponges ANSWER (A) EXPLANATION: ANSWER (A) EXPLANATION Annelida are also called segmented worms Q4. Earthworms, polychaetes, beach tube worms, leeches comes under : Q4. Earthworms , polychaetes, beach tube worms, leeches comes under Annelida phylum Mollusca phylum Nematoda phylum Arthropoda phylum ANSWER (A) EXPLANATION : ANSWER (A) EXPLANATION Earthworms, polychaetes, beach tube worms, leeches comes under phylum Annelida Q5. Organisms under phylum Annelida are : Q5. Organisms under phylum Annelida are Coelomate , serially segmented, bilaterally symmetrical worms; complete digestive tract; most have bristles called setae on each segment that anchor them during crawling chitinous exoskeleton covering segmented bodies Solid , unsegmented, bilaterally symmetrical body; no body cavity Pseudocoelom , unsegmented, bilaterally symmetrical worms; tubular digestive tract passing from mouth to anus; tiny; without cilia ANSWER (A) EXPLANATION: ANSWER (A) EXPLANATION Organisms under phylum Annelida are Coelomate, serially segmented, bilaterally symmetrical worms; complete digestive tract; most have bristles called setae on each segment that anchor them during crawling Q6. Jellyfish, hydra, corals comes under: Q6. Jellyfish , hydra, corals comes under Cnidaria phylum Nematoda phylum Arthropoda phylum Chordata phylum ANSWER (A) EXPLANATION : ANSWER (A) EXPLANATION Jellyfish , hydra, corals comes under phylum Cnidaria Q7. Organims comes under phylum Cnidaria show : Q7. Organims comes under phylum Cnidaria show chitinous exoskeleton covering segmented bodies Solid , unsegmented, bilaterally symmetrical body; no body cavity Pseudocoelom , unsegmented, bilaterally symmetrical worms; tubular digestive tract passing from mouth to anus; tiny; without cilia Soft , gelatinous, radially symmetrical bodies whose digestive cavity has a single opening; possess tentacles armed with stinging cells called cnidocytes ANSWER (D) EXPLANATION : ANSWER (D) EXPLANATION Organims comes under phylum Cnidaria show Soft, gelatinous, radially symmetrical bodies whose digestive cavity has a single opening; possess tentacles armed with stinging cells called cnidocytes that shoot sharp harpoons called nematocysts; almost entirely marine Q8. Phylum Cnidaria are also called : Q8. Phylum Cnidaria are also called Cnidarians Echinoderms Sponges Both a and b ANSWER (A) EXPLANATION: ANSWER (A) EXPLANATION Phylum Cnidaria are also called as cnidarians Q9. Phylum Echinodermate are also known as: Q9. Phylum Echinodermate are also known as Segmented worms Cnidarians Echinoderms Sponges ANSWER (C) EXPLANATION : ANSWER (C) EXPLANATION Phylum Echinodermate are also known as echinoderms Q10. Phylum Porifera are also known as : Q10. Phylum Porifera are also known as Segmented worms Cnidarians Echinoderms Sponges ANSWER (A) EXPLANATION: ANSWER (A) EXPLANATION Phylum Porifera are also known as sponges Q11. Sea stars, sea urchins, sand dollars, sea cucumbers comes under : Q11. Sea stars, sea urchins, sand dollars, sea cucumbers comes under Cnidaria phylum Nematoda phylum Arthropoda phylum Echinodermata phylum ANSWER (D) EXPLANATION : ANSWER (D) EXPLANATION Sea stars, sea urchins, sand dollars, sea cucumbers comes under phylum Echinodermata Q12. Organism under phylum Echinodermata are : Q12. Organism under phylum Echinodermata are Deuterostomes with radially symmetrical adult bodies; endoskeleton of calcium plates, unique water vascular system with tube feet; able to regenerate lost body parts chitinous exoskeleton covering segmented bodies Solid , unsegmented, bilaterally symmetrical body; no body cavity Pseudocoelom , unsegmented, bilaterally symmetrical worms; tubular digestive tract passing from mouth to anus; tiny; without cilia ANSWER (A) EXPLANATION: ANSWER (A) EXPLANATION Organism under phylum Echinodermata are Deuterostomes with radially symmetrical adult bodies; endoskeleton of calcium plates; five-part body plan and unique water vascular system with tube feet; able to regenerate lost body parts; marine Q13. Barrel sponges, boring sponges, basket sponges comes under phylum: Q13. Barrel sponges, boring sponges, basket sponges comes under phylum Porifera phylum Nematoda phylum Arthropoda phylum Echinodermata phylum ANSWER (A) EXPLANATION: ANSWER (A) EXPLANATION Barrel sponges, boring sponges, basket sponges comes under phylum Porifera Q14. Organisms under phylum Porifera shows : Q14. Organisms under phylum Porifera shows Asymmetrical bodies without distinct tissues or organs; saclike body consists of two layers breached by many pores; internal cavity lined with food-filtering cells called choanocytes Deuterostomes with radially symmetrical adult bodies; endoskeleton of calcium plates, unique water vascular system with tube feet; able to regenerate lost body parts Both a and b ANSWER (D) EXPLANATION : ANSWER (D) EXPLANATION Organisms under phylum Porifera shows Asymmetrical bodies without distinct tissues or organs; saclike body consists of two layers breached by many pores; internal cavity lined with food-filtering cells called choanocytes; most marine Q15. Phylum Mollusca is also known as : Q15. Phylum Mollusca is also known as Molluscs Chordates Flatworms Roundworms ANSWER (A) EXPLANATION : ANSWER (A) EXPLANATION Phylum Mollusca is also known as molluscs Q16. Phylum Chordata is also known as : Q16. Phylum Chordata is also known as Molluscs Chordates Flatworms Roundworms ANSWER (B) EXPLANATION : ANSWER (B) EXPLANATION Phylum Chordata is also known as chordates Q17. Phylum Platyhelminthes is also known as : Q17. Phylum Platyhelminthes is also known as Molluscs Chordates Flatworms Roundworms ANSWER (C) EXPLANATION : ANSWER (C) EXPLANATION Phylum Platyhelminthes is also known as flatworms Q18. Phylum Nematoda is also known as : Q18. Phylum Nematoda is also known as Molluscs Chordates Flatworms Roundworms ANSWER (D) EXPLANATION : ANSWER (D) EXPLANATION Phylum Nematoda is also known as roundworms Q19. Phylum Bryozoa is also known as : Q19. Phylum Bryozoa is also known as moss animals Molluscs Flatworms Roundworms ANSWER (A) EXPLANATION : ANSWER (A) EXPLANATION Phylum Bryozoa is also known as moss animals Q20. Phylum Rotifera is also known as : Q20. Phylum Rotifera is also known as moss animals Molluscs Flatworms wheel animals ANSWER (D) EXPLANATION : ANSWER (D) EXPLANATION Phylum Rotifera is also known as wheel animals More Mcq’s For All Subject Please Log on to http://www.wisedane.com/ Exclusive Portal For Online Coaching NEET AIIMS JIPMER: More Mcq’s For All Subject Please Log on to http://www.wisedane.com/ Exclusive Portal For Online Coaching NEET AIIMS JIPMER

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