Which of the following represents the reserve food material and main component of cell wall in chlorophyceae
Options
(a) starch – cellulose (b) Flordians starch (c) Mannitol and laminarian – cellulose and algin […]
Sea lrttuce is
Options
(a) Laminaria (b) chlorella (c) sargassum (d) ulva
Correct Answer:
ulva
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Ostrich have one urinary bladder,whereas all others birds have
Options
(a) two urinary bladders (b) no urinary bladders (c) one pair of urinary bladders (d) two pairs of urinary baldders
Correct Answer:
no […]
Moss peat is used as packing material for sending flowers and live plants to distant places because
Options
(a) it is easily available (b) it is hygroscopic (c) it reduces transpiration (d) it […]
Which of the following groups of plants depends on free water for fertilisation
Options
(a) Funaria,Gnetum and wheat (b) Lycopodium, salaginella and Equisetum (c) Welwitschia, Ephedra and Gnetum (d) Oak, mosses and live […]
The plant body is thalloid in
Options
(a) Funaria (b) Sphagnum (c) Salvinia (d) Marchantia
Correct Answer:
Marchantia
Explanation:
The plant body of a liverwort is haploid (n), gametophytic, small, dorsoventrally flattened, thallose, dichotomously […]
Frogs differ from humans in possessing:
Options
(a) paired cerebral hemispheres (b) hepatic portal system (c) nucleated red blood cells (d) thyroid as well as parathyroid
Correct Answer:
nucleated red blood cells
Explanation:
Human […]
Which one of the following is heterosporous?
Options
(a) Dryopteris (b) Salvinia (c) Adiantum (d) Equisetum
Correct Answer:
Salvinia
Explanation:
Salvinia is an aquatic fern with both annual and perennial species- b is heterosporous […]
In gymnosperms, the pollen chamber represents
Options
(a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the […]
Which one of the following plants is monoecious?
Options
(a) Pinus (b) Cycas (c) Papaya (d) Marchantia
Correct Answer:
Pinus
Explanation:
Pinus plant is monoecious i.e. both male and female cone are present in […]
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