what is a Hydrilla plant -Biology

what is a Hydrilla plant -Biology
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what is a Hydrilla plant -Biology

Description : what is a Hydrilla plant -Biology

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In which of the following plant sunken stomata are found? (a) Nerium (b) Hydrilla (c) Mango (d) Guava

Description : In which of the following plant sunken stomata are found? (a) Nerium (b) Hydrilla (c) Mango (d) Guava

Last Answer : (a) Nerium

Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure? (a) Opuntia (b) Casuarina (c) Hydrilla (d) Acacia

Description : Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure? (a) Opuntia (b) Casuarina (c) Hydrilla (d) Acacia

Last Answer : (a) Opuntia

.In a pond there were 20 hydrilla plants .Through reproduction 10 new hydrilla plants were added in a year .What will be the birth rate of the plant

Description : 9.In a pond there were 20 hydrilla plants .Through reproduction 10 new hydrilla plants were added in a year .What will be the birth rate of the plant

Last Answer : Ans-Birth rate = No of individuals born = 10 = 0.5 Total number of individuals 20

What is Hydrilla ?

Description : What is Hydrilla ?

Last Answer : Fresh aquatic plants are called hydrala.

Which angiosperm is vessel-less? (1) Hydrilla (2) Trochodendron (3) Maize (4) Wheat

Description : Which angiosperm is vessel-less? (1) Hydrilla (2) Trochodendron (3) Maize (4) Wheat

Last Answer : (1) Hydrilla Explanation: Trochodendron is a genus of flowering plants with one living species. It is vesselless angiosperm. Fewer than 200 species of angiosperms have the primitive ... With two exceptions- Trochodendron and Tetracentron-, all vesselless angiosperms occur in the Magnoliidae.

The correct sequence of plants in a hydrosere is (a) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak (b) Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana (c) Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus (d) Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox.

Description : The correct sequence of plants in a hydrosere is (a) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak (b) Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana (c) Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus (d) Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox.

Last Answer : (a) Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak

Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other? (a) Hydrilla (b) Yucca (c) Banana (d) Viola

Description : Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other? (a) Hydrilla (b) Yucca (c) Banana (d) Viola

Last Answer : (b) Yucca

Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra

Description : Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra

Last Answer : (c) Riccia, Dryopteris and Cycas

. Submerged weed a). Hydrilla verticillata b). Nagar sp c). Utricularia stellaris d). All of these

Description : . Submerged weed a). Hydrilla verticillata b). Nagar sp c). Utricularia stellaris d). All of these

Last Answer : d). All of these

. Hydrilla verticillata is propagated by a). Root stocks b). Runners c). Turions d). Bulbils

Description : . Hydrilla verticillata is propagated by a). Root stocks b). Runners c). Turions d). Bulbils

Last Answer : c). Turions

Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other? (1) Hydrilla (2) Yucca (3) Banana (4) Viola

Description : Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other? (1) Hydrilla (2) Yucca (3) Banana (4) Viola

Last Answer : (2) Yucca

Water blooms are formed by a) Lemna b) Hydrilla c) Water hyacinth d) Planktonic algae.

Description : Water blooms are formed by a) Lemna b) Hydrilla c) Water hyacinth d) Planktonic algae.

Last Answer : d) Planktonic algae.

Which angiosperm is vesselless ? (1) Hydrilla (2) Trochodendron (3) Maize (4) Wheat

Description : Which angiosperm is vesselless ? (1) Hydrilla (2) Trochodendron (3) Maize (4) Wheat

Last Answer : Trochodendron