In how many of the given plants/plant groups the male gamete is transferred via water? Hydrilla Water hyacinth Zostera Bryophytes Papaya Vallisneria Maize Pteridophytes.
5
6
4
7

Select the odd one w.r.t plants groups that use water as a medium for male gamete transfer

How many plants in the given below are pollinated by water ? Vallisneria , Zostera , water hyacinth , water lily , coconut , yucca , Hydria , Ficus

In how many groups, in relation to water, are plants divided? Explain in brief.

How many plants in the list given below are insect - pollinated plants ? Sunflower , Coconut , water lily, water hyacinth , Vallisneria , Ophrys , papaya , cotton , Banana, Adansonia , Bombax ,Bamboo , wheat , Hydrilla .

How many molecules of water are needed by a green plant to reduce 6 molecules of CO_2 ?

Read the following five statements (A -E ) and answer the question. A. Pollination by water is more common amongst abiotic pollinating agent. B . Pollination by water is quite rare in flowering plants. C . Water hyacinth and water lily. The flowers emerge above the level of water and are pollinated by water. D. Wind pollinated plants numerous flowers packed into an inflorescence. E. Self incompatibility is an outbreeding device which prevents inbreeding . How many of the above statement are correct ?

How many of the given statements are true for potash alum. (1) it is a white crystalline solid (2) it swells up on heating (3) it imparts a golden yellow colour to the bunsen flame (4) An aqueous solution of the above given a white gelatinous precipitate with BaCl_(2) solution soluble only in concentrated sulphuric acid. (5) An aqueous solution of the above given a white gelatinous precipitate on treatment with NH_(4)OH . Which dissolves in aqueous NaOH in excess and reappears, On boiling with concentrated NH_(4)Cl solution. (6) It gives a yellow precipitate with Cobalt nitrile solution. (7) White precipitate in 5^(th) state can also be obtained by passing H_(2)S gas in aqueous solution of the above.

List some of the plants are given below. How many plant /s/is/ are vascular and monoecious ? Chara, pinus , Cycas , Sphagnum , Maize, Papaya

How many of the following statements (s) is/are correct about pollination ? I. In Vallisneria and Zostera , the flowers emerge above the level of water and are pollinated by insects or wind. II: In most of the water pollinated species , pollen grains are protected from wetting by a mucilaginous covering. III. Pollination by water is quite rare in flowering plants and is limited to about 30 genera, mostly dicotydons.

How many among the given amino are essential and must be obtained from food? Phenylalanine Valine Leucine Glycine Isoleucine Threonine Aspartic acid (a) 4 (b) 5 (c) 6 (d) 7