Lophophore is present in A) flat worms B) brachiopoda C) mollusca D) rotifers 2

Question

Lophophore is present in A) flat worms B) brachiopoda C) mollusca D) rotifers 2 chambered heart is present in A) mammals B)fishes C) reptiles D) amphibians Excretion by is present in A) flat worms B) annelids C) ectoprocts D) Organization level in Porifera A) cells B) tissues C) organs D) Mollusca Blastopore opens into A) coelom B) blastocoel C) archenteron D) none of these Gas exchange in lungs takes place by A)diffusion B) osmosis C) filtration D) active transport A chambered shell, foot divided into tentacles, cephalopod A) small B) chiton C) clam D) E) all of these One leaf at each node in plants is Phyllotaxy A) whorl B) spiral C) opposite D) all of these Negative pressure is created in plants due to A) cohesion B) bulk flow C) osmosis D) transpiration help plant roots absorb A) p B) N C) K D) Ca Oxygen poor blood from body is sent to A)LA B)Rv C) LV D) RA Megaspore in ovule germinates into 7-celled 8 nuclei A) male gametophyte B) pollen C) female gametophyte D) sporophyte Gastrovascular cavity is present in A) Hydra B)planaria C) jellies D) all of these Insects is present in A) mollusca B) annelids C) mollusca D) ectoprocte Insects breathe with A) gills B)book lungs C) tracheal tubes D) skin Double fertilization results in formation of A) only zygote B) zygote and seed coat C) endosperm and seed coat D) zygote and endosperm Minerals are absorbed in plants by A) diffusion B) osmosis C) active transport D) mass flow Sucrose is conducted by A) parenchyma B) vessels C) sieve tubes D)endodermis Unique cell choanocyte present in A) sponges B) jellies C) flat worms D) snails Naked vertebrates breathe with skin/lungs A) fishes B) reptiles C) amphibia D) birds Hinged shell, stalked, lophophores A) rotifer B) brachiopoda C) Mollusca D) ectoprocta A fat soluble vitamin required for normal bones is A) C B) D C) A D) E First embryonic structure with 3 distinct germ layers A) blastula B) morale C) zygote D) gastrula Fruit developed from many carpels of one flower is A) multiple B) aggregate C) simple dry D) simple fleshy Flat worm without mouth or alimentary canal A) blood fluke B) tape worm C) Ascaris D) Planaria The amount of blood pumped by one ventricle is A) stroke volume B) cardiac output C) diastole D) systole

Explanation / Answer

1) Brachiopods
2)Fishes
3)flatworms
4)Celluar level or cells
5)archenteron
6)Diffusion
7)Nautilus
8)spiral
9)Transpiration
10) phosphorus and nitrogen
11) RA
12)female gametophytee
13) jellies
14) mollusca
15) Tracheal tubes
16) zygote and endosperm
17) active transport
18)
19) Sponges
20)Amphibians
22) Vitamin D
23) blastula
24) Aggregate
25)Planaria
26) cardiac output

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