581. Psedudocoelom is character of____________?
✅ C. Aschelminthes
Option A: Coelenterates Option B: Platyhelminthes Option C: Aschelminthes Option D: Annelids Correct Answer : Aschelminthes Read more
Biology MCQs – Page 30
582. Which of the following statement about plants is incorrect?
✅ D. They Are heterotrophes
Option A: All are eukaryotes Option B: They are multicellular. Option C: Non-motile organisms Option D: They Are heterotrophes Correct Answer : They Are heterotrophes Read more
583. Antheridia and archegonia are born on ______________ in bryophytes.
✅ B. Gametophyte
Option A: Sporophyte Option B: Gametophyte Option C: Both of these Option D: None of these Correct Answer : Gametophyte Read more
584. Polychaeta have____________?
✅ D. All of these
Option A: Tentacles Option B: Palps Option C: Eyes Option D: All of these Correct Answer : All of these Read more
585. __________ are believed to have common origin with annelids.
✅ B. Arthropods
Option A: Nematods Option B: Arthropods Option C: Molluscs Option D: None of these Correct Answer : Arthropods Read more
586. Mantle in molluscs is present over____________?
✅ C. Dorsal visceral region
Option A: Head Option B: Ventral muscular foot Option C: Dorsal visceral region Option D: All of these Correct Answer : Dorsal visceral region Read more
587. Prechordates is another name used for___________?
✅ B. Hemichordates
Option A: Echinoderms Option B: Hemichordates Option C: Vertebrates Option D: Chordates Correct Answer : Hemichordates Read more
588. True metamorphosis is not present in________?
✅ C. Arachnida
Option A: Crustacea Option B: Insecta Option C: Arachnida Option D: Myriapoda Correct Answer : Arachnida Read more
589. Pin warm is common name used for__________?
✅ B. Enterobius vermicularis
Option A: Rhabditis Option B: Enterobius vermicularis Option C: Ancylostoma duodenale Option D: Taenia solium Correct Answer : Enterobius vermicularis Read more
590. Which system is present in nematodes?
✅ B. Tube like digestive system
Option A: Sac like digestive system Option B: Tube like digestive system Option C: Circulatory system Option D: Respiratory system Correct Answer : Tube like digestive system Read more
591. Which of following system is segmentally arranged in annelids?
✅ C. Criculatory system
Option A: Excretory system Option B: Digestive system Option C: Criculatory system Option D: Nervous system Correct Answer : Criculatory system Read more
592. The organs of locomotion in annelids are__________?
✅
Option A: Muscles Option B: Hydrostatic skeleton Option C: Parapodia Option D: Setae Correct Answer : Parapodia Setae Read more
593. The number of chromosomes in human cell is_____________?
✅ C. 46
Option A: 48 Option B: 44 Option C: 46 Option D: 26 Correct Answer : 46 Read more
594. The resolving power of electric microscope is____________?
✅ B. 0.2 nm
Option A: 0.2 mm Option B: 0.2 nm Option C: 0.2 m Option D: none of these Correct Answer : 0.2 nm Read more
595. Excretory system of platyhlminthes consists of___________?
✅ B. Flame cells
Option A: Nephridia Option B: Flame cells Option C: Malpighian tubules Option D: Nephrons Correct Answer : Flame cells Read more
596. Pseudocoelem develops from____________?
✅ C. Blastocoel
Option A: Blastopore Option B: Plastoquinone Option C: Blastocoel Option D: Splitting of mesoderm Correct Answer : Blastocoel Read more
597. Exoskeoeton of coelenterates terates is made up to__________?
✅ A. Calcium
Option A: Calcium Option B: Silica Option C: Chitin Option D: Both A & B Correct Answer : Calcium Read more
598. All of the following are true for Platyhelminthes except____________?
✅ C. Coelomate
Option A: Flatwarms Option B: Triploblastic Option C: Coelomate Option D: Bilateral symmetry Correct Answer : Coelomate Read more
599. Nervous system of nematods consists of?
✅ D. All of these
Option A: Ventral nerve cord Option B: Dorsal nerve cord Option C: Lateral nerve cord Option D: All of these Correct Answer : All of these Read more
600. Main blood vessel of arthropods usually:
✅ A. Lies on dorsal side
Option A: Lies on dorsal side Option B: Lies on ventral side Option C: Lies on lateral side Option D: Is not present Correct Answer : Lies on dorsal side Read more