1. Animals with choanocyte to capture food A) flat worms 8) sponges Hydra Do 2.
ID: 270169 • Letter: 1
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1. Animals with choanocyte to capture food A) flat worms 8) sponges Hydra Do 2. 2 chambered heart is present in A) mammals 8) fishes C)reptiles Damphibians 3. Excretion by metanephridia is present in A) fat worms 8) Mollusca cl ectoprocts Di annelids 4 Organization level in Porifera A) cells 8) tissues C) organs D) organ-systems 5. Blastopore opens into A) coelom 8) blastocoel C) archenteron Di none of these 6. Gas exchange in lungs takes place by A) diffusion 8) osmosis C) fitration Dj active transport 7. A chambered shell, foot divided into tentacles, cephalopod A) snail B) chiton C) clam D) nautilus E) all of these 8? One leaf at each node in plants is phyllotaxy A)whorl B)spral qopposite Dhall of these 9. Water is absorbed in plants due to A) diffusion B) bulk flow C)osmosis Di transpiration 10. Ectomycorhizza help plant roots absorb especially A) p B) N C) K ? Ca 11. Oxygen poor blood from body enters A)LA B) RV C)LV DIRA 12. 02 rich blood from lungs enters A) LA 8) RV CLV D) RA 13 Mouth leads to gastrovascular cavity in A) Hydra 8) planaria C jellies Dj all of these 14. Lophophore is present in A) rotifers 8) annelids C) ectoprocta Dj mollusca 15. Insects breathe with A) gills B) book lungs C) tracheal tubes D) skin 16. Double fertilization results in formation of A) only zygote 8) zygote and seed coat C) endosperm and seed coat D) zygote and endosperm 17. Minerals are absorbed in plants by A) diffusion B)osmosis C) active transport D) mass fRow 18. Sucrose is transported in sieve tubes by A) diffusion B) bulk flow C) osmosis D) active transport 19. Unique cel choanocyte present in A) sponges 8)iellies C) flat worms 20. 3 pairs of walking legs, 1 pair of antennae, head, thorax and abdomen DI snails B) arachnids D) centipede millipede A) insects crustacean 21. Hinged shell, stalked, lophophores A) rotifera 8) brachiopoda qMollusca Dj ectoprocta 22. Food is source of essential 23. First embryonic structure with 3 distinct germ layers 24. Fruit developed from many carpels of one flower is 25. Flat worm without mouth or alimentary canal 26. 4 pairs of walking legs, no antennae, Cephalothorax and abdomen A) vitamins B) amino acids C) fatty acids D) minerals E) all of these A) blastula B) morula C) zygote D) gastrula A) multiple B) aggregate C) simple dry D) simple fleshy Aj liver fluke B) tape worm C) Ascaris D) Planaria A) insects 8) arachnids C) crustacean D) centipede E) millipedeExplanation / Answer
(1)B. Sponges
Choanocytes are cells that line the interior of sponges
(9)C.osmosis
Plants absorb water from the soil by osmosis
(12)A.LA
The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
(20)A.Insects
Insects bodies divided into three parts; three pairs of legs, two pairs of wings and antennae.
(26)B. Arachnids
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