10 Numbers Biology Protozoa Vertebrate Invertebrate

 1. Pisces have a closed circulatory system. TRUE CAUSE The Pisces heart consists of three chambers. FALSE

(SNMPTN 2012) Answer C 2. In the life cycle of Aurelia sp., the free-swimming, ciliated, and tentacle-less stage is called: A. ephyra B. scyphistoma C. planula D. medusa E. strobila (SBMPTN 2016) 3. The following are some characteristics of arthropods: 1. fused head and thorax 2. Breathe only through tracheae 3. Have four pairs of legs 4. Live on land and in water 5. Have antennae Characteristics of Arachnida: A. 1, 2, and 3 B. 1, 3, and 4 C. 2, 3, and 4 D. 2, 3, and 5 E. 3, 4, and 5 (SBMPTN 2016) 4. Statement The correct statement about organs and their functions in invertebrates is: A. Spiders breathe through trachea B. Planarians breathe through diffusion C. Coelenterates breathe through mesoglea D. Jellyfish tentacles function to digest food E. Tapeworm scolex functions to suck food (SBMPTN 2015) 5. The following animals live in water, have backbones, have tail fins, have mammary glands, are warm-blooded, and can communicate by sound reflection, except... (A) Sharks (B) Whales (C) Irrawaddy dolphins (D) Dugongs (E) Dolphins (SBMPTN 2013) 6. The animals below that are symmetrical are: (1) Coelenterata (2) Porifera (3) Echinodermata (4) Mollusca (SNMPTN 2011) Answer A 07. Animals that have multicellular bodies have tentacles, no anus, and can reproduce by budding. This animal is likely to be classified as: (A) Porifera (B) Coelentera C. Platyhelminthes D. Oligochaeta E. Suctoria (SBMPTN 2013) 8. The kidneys of frogs and monkeys excrete solid and liquid metabolic waste together BECAUSE The excretory and reproductive ducts in frogs are fused together, called the cloaca (SBMPTN 2013) Answer D 09. The function of the tentacles in cephalopods (squid) is: (1) A tool for capturing prey (2) A tool for self-defense (3) A tool for touch (4) A tool for balance (SBMPTN 2016) Answer A 10. The animal below that has an open circulatory system is... (A) whale (B) earthworm (C) frog (D) grasshopper (E) horse (SNMPTN 2012)