In the grass lands, trees do not replace the grasses as a part of an ecological succession because of - (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

In the grass lands, trees do not replace the grasses as a part of an ecological succession because of - (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire
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(4) Water limits and fire Explanation: Grass ecosystems are an early stage of succession in regions where the mature ecosystems are forests. However, grass ecosystems are climax ecosystems in grassland regions, where there is not enough rainfall to support a forest. Due to limiting, factors such as water scarcity and forest fire, a grass land ecosystem changes to a desert ecosystem. The ecological succession of grassland is desert. It is, however, notable that the soil of grassland ecosystem is rich in nutrients and organic matters and provides the largest biomass.
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In the grass lands, trees do not replace the grasses as a part of an ecological succession because of (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

Description : In the grass lands, trees do not replace the grasses as a part of an ecological succession because of (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

Last Answer : Water limits and fire

What is the major cause of diminishing wildlife number? (a) Felling of trees (b) Paucity of drinking water (c) Cannibalism (d) Habitat destruction

Description : What is the major cause of diminishing wildlife number? (a) Felling of trees (b) Paucity of drinking water (c) Cannibalism (d) Habitat destruction

Last Answer : (d) Habitat destruction

Which one of the following is a species of grasses suitable for soil conservation of ravine lands and the land affected by shifting cultivation ? (A) Pennisetum polystachyon (B) Cenchurus setigerus (C) Eulalioposis binata (D) Lasiurus sindicus (E) Penicum antidotale

Description : Which one of the following is a species of grasses suitable for soil conservation of ravine lands and the land affected by shifting cultivation ? (A) Pennisetum polystachyon (B) Cenchurus setigerus (C) Eulalioposis binata (D) Lasiurus sindicus (E) Penicum antidotale

Last Answer : (C) Eulalioposis binata

During ecological succession:

Description : During ecological succession:

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What is the climax stage of an ecological succession ?

Description : What is the climax stage of an ecological succession ?

Last Answer : The climax stage is the stage of the ecological succession in which the community of an ecosystem becomes stable and does not undergo significant changes. In the climax community practically all ecological ... of the phytoplankton are the main producers of the molecular oxygen of the planet.)

What is the difference between primary ecological succession and secondary ecological succession ?

Description : What is the difference between primary ecological succession and secondary ecological succession ?

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Description : What is ecological succession ?

Last Answer : Ecological succession is the changing sequence of communities that live in a ecosystem during a given time period. Image Diversity: ecological succession

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Last Answer : (c) the gradual and predictable change in species composition occurs in a given area

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Description : Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity

Last Answer : (d) Least genetic diversity

During the process of ecological succession the changes that take place in communities are

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Last Answer : 6. (a) orderly and sequential

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Description : Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these

Last Answer : D.all of these

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Description : Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these

Last Answer : D.all of these

The ‘neuroleptic syndrome’ produced by chlorpromazine like drugs is characterized by the following except: A. Emotional quietening B. Paucity of movements C. Ataxia D. Indifference to external cues

Description : The ‘neuroleptic syndrome’ produced by chlorpromazine like drugs is characterized by the following except: A. Emotional quietening B. Paucity of movements C. Ataxia D. Indifference to external cues

Last Answer : C. Ataxia

What are lichens? How do fungi participate in this ecological interaction?

Description : What are lichens? How do fungi participate in this ecological interaction?

Last Answer : Lichens are formed by mutualist ecological interaction between fungi and algae or between fungi and cyanobacteria. In this ecological interaction, the fungi absorb water that is then used by algae (or ... in excess to serve as food for the fungi. Fungi Kingdom Review - Image Diversity: lichens

What is the ecological importance of fungi?

Description : What is the ecological importance of fungi?

Last Answer : Fungi are heterotrophs and decomposers (they break down dead beings) and they actively participate in the recycling of organic material in ecosystems. Some fungi keep mutualist ecological interaction with algae or cyanobacteria, forming lichen, and with plant roots, forming mycorrhizas.

Taiga means : (1) Decidious forests (2) Coniferous forests (3) Grass lands (4) Deserts

Description : Taiga means : (1) Decidious forests (2) Coniferous forests (3) Grass lands (4) Deserts

Last Answer : (2) Coniferous forests Explanation: Taiga is a biome characterized by coniferous forests consisting mostly of pines, spruces and larches. It is the world's largest terrestrial biome.

Maximum oxygen is available from – (1) Deserts (2) Green forests (3) Grass lands (4) Phytoplanktons

Description : Maximum oxygen is available from – (1) Deserts (2) Green forests (3) Grass lands (4) Phytoplanktons

Last Answer : (4) Phytoplanktons Explanation: Most of Earth's oxygen comes from tiny ocean plants - called phytoplankton - that live near the water's surface and drift with the currents. Like all ... phytoplankton contribute between 50 to 85 percent of the oxygen in Earth's atinctspbere (National Geographic)

Maximum oxygen is available from : (1) Deserts (2) Green forests (3) Grass lands (4) Phytoplanktons

Description : Maximum oxygen is available from : (1) Deserts (2) Green forests (3) Grass lands (4) Phytoplanktons

Last Answer : Phytoplanktons

Taiga means : (1) Decidious forests (2) Coniferous forests (3) Grass lands (4) Deserts

Description : Taiga means : (1) Decidious forests (2) Coniferous forests (3) Grass lands (4) Deserts

Last Answer : Coniferous forests

Crop rotation refers to : (a) method of farming without irrigation in an area of limited rainfall (b) farming done on the same land by different people turn-wise (c) growing same crop in alternate years (d) growing different crops in succession

Description : Crop rotation refers to : (a) method of farming without irrigation in an area of limited rainfall (b) farming done on the same land by different people turn-wise (c) growing same crop in alternate years (d) growing different crops in succession

Last Answer : Ans: (d)

Deciduous forests have (a) Variety of grasses (b) Broad-leaved trees (c) narrow-leaved trees (d) Variety of crocodiles

Description : Deciduous forests have (a) Variety of grasses (b) Broad-leaved trees (c) narrow-leaved trees (d) Variety of crocodiles

Last Answer : Ans. ((b))

Maximum solar energy is trapped by (a) planting trees (b) cultivating crops (c) growing algae in tanks (d) growing grasses.

Description : Maximum solar energy is trapped by (a) planting trees (b) cultivating crops (c) growing algae in tanks (d) growing grasses.

Last Answer : (c) growing algae in tanks

There are limited medications for fungi, protozoan and other parasites because they are _____ like us. a. heterotrophs b. multicellular c. macroscopic d. eukaryotes

Description : There are limited medications for fungi, protozoan and other parasites because they are _____ like us. a. heterotrophs b. multicellular c. macroscopic d. eukaryotes

Last Answer : d. eukaryotes

Might humans need some insect based nutrients in their balanced diet?

Description : Might humans need some insect based nutrients in their balanced diet?

Last Answer : I think the west already suffers from “overnutrition” (that is a euphemism, btw.). Though a crispy fried spider beats deep fried butter any day. But poor countries that are ravaged by starvation certainly could use some additional protein source.

Biofortifieation is a - (1) method of breeding crops to increase their nutritional value (2) strategy to combat unwanted nutrients in plants (3) method of developing resis-tance to insect pests (4) method of plant breeding for disease resistance

Description : Biofortifieation is a - (1) method of breeding crops to increase their nutritional value (2) strategy to combat unwanted nutrients in plants (3) method of developing resis-tance to insect pests (4) method of plant breeding for disease resistance

Last Answer : (1) method of breeding crops to increase their nutritional value Explanation: Biofortification is the breeding crops to increase their nutritional value. This can be done either through conventional ... are growing, rather than having nutrients added to the foods when they are being processed.

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Last Answer : method of breeding crops to increase their nutritional value

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Description : The primary succession refers to the development of communities on a (a) forest clearing after devastating fire (b) newly-exposed habitat with no record of earlier vegetation (c) freshly cleared crop field (d) pond, freshly filled with water after a dry phase.

Last Answer : (b) newly-exposed habitat with no record of earlier vegetation

Which of the following describes a process of succession after a forest fire?

Description : Which of the following describes a process of succession after a forest fire?

Last Answer : mall plants grow but are eventually replaced by larger plants

After a major forest fire, the process of succession begins in an ecosystem. Which best describes how succession changes the ecosystem?

Description : After a major forest fire, the process of succession begins in an ecosystem. Which best describes how succession changes the ecosystem?

Last Answer : The ecosystem becomes more stable and diverse.

Which of the following represents a foodchain involving a producer, a vegetarian and a non vegetarian? (1) Grass — Insect — Elephant (2) Plant — Rabbit — Tiger (3) Fish - Insect - Whale (4) Tiger —- Rabbit - Owl

Description : Which of the following represents a foodchain involving a producer, a vegetarian and a non vegetarian? (1) Grass — Insect — Elephant (2) Plant — Rabbit — Tiger (3) Fish - Insect - Whale (4) Tiger —- Rabbit - Owl

Last Answer : (2) Plant - Rabbit - Tiger Explanation: A food chain is a linear sequence of links in a food web startingfrom a trophic species that eats no other species in the web and ends ... a food chain where plant represents producer, rabbits represent a vegetarian, while tiger represents a non-vegetarian.

Pick up the correct food chain. (a) Grass → Chameleon → Insect → Bird (b) Grass → Fox → Rabbit → Bird (c) Phytoplankton → Zooplankton → Fish (d) Fallen leaves → Bacteria → Insect larvae

Description : Pick up the correct food chain. (a) Grass → Chameleon → Insect → Bird (b) Grass → Fox → Rabbit → Bird (c) Phytoplankton → Zooplankton → Fish (d) Fallen leaves → Bacteria → Insect larvae

Last Answer : (c) Phytoplankton → Zooplankton → Fish

Which of the following represents a foodchain involving a producer, a vegetarian and a nonvegetarian ? (1) Grass – Insect – Elephant (2) Plant – Rabbit – Tiger (3) Fish – Insect – Whale (4) Tiger – Rabbit – Owl

Description : Which of the following represents a foodchain involving a producer, a vegetarian and a nonvegetarian ? (1) Grass – Insect – Elephant (2) Plant – Rabbit – Tiger (3) Fish – Insect – Whale (4) Tiger – Rabbit – Owl

Last Answer : Plant – Rabbit – Tiger

ssertion: Running water cuts through the clayey soils and makes deep channels such as gullies. Reason: In the Chambal basin such lands are called Leaching Options: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true and R is not the correct explanation of A. (c) A is true but B is false. (d) A is false but R is true.

Description : ssertion: Running water cuts through the clayey soils and makes deep channels such as gullies. Reason: In the Chambal basin such lands are called Leaching Options: (a) Both A and R are true and R is the correct explanation of A ... of A. (c) A is true but B is false. (d) A is false but R is true.

Last Answer : (c) A is true but B is false.

Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells

Description : Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells

Last Answer : (4) they have specialised bulli-form cells Explanation: Bulliform cells are large, bubbleshaped epidermal cells that occur in groups on the upper surface of the leaves of many grasses. These cells, by their turgor changes, cause rolling and unrolling of the leaves thus regulating water loss.

Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells

Description : Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells

Last Answer : they have specialised bulliform cells

Root suckers are a) Insects that suck nutrients from the roots of plants b) Shoots that arise from roots to form new plant c)New plant parts that arise from the branches of fruit trees d) Roots of neighboring plants that share water with the another plant

Description : Root suckers are a) Insects that suck nutrients from the roots of plants b) Shoots that arise from roots to form new plant c)New plant parts that arise from the branches of fruit trees d) Roots of neighboring plants that share water with the another plant

Last Answer : b) Shoots that arise from roots to form new plant

Major insect attacking the summer crop of guava during summer crop is : a. White fly b. Fire fly c. Fruit fly d. Drosophilla fly

Description : Major insect attacking the summer crop of guava during summer crop is : a. White fly b. Fire fly c. Fruit fly d. Drosophilla fly

Last Answer : Fruit fly

What kind of insect is making pods out of my Japanese Maple trees leaves ?

Description : What kind of insect is making pods out of my Japanese Maple trees leaves ?

Last Answer : Need Answer

There is an insect is eating my pecan trees' leaves, no webs.What is eating them?

Description : There is an insect is eating my pecan trees' leaves, no webs.What is eating them?

Last Answer : Hope that you have a sprayer that will reach your trees. I have a commercial sprayer for our fruit trees. I would try a 2 teasp of liquidkitchen soap w 1 qt of water.......you can times that by ... until it dries. Wear long old clothes, mask, hat, goggles & gloves. Only make up what you need.

what insect is causing my cherry trees to wilt and die?

Description : what insect is causing my cherry trees to wilt and die?

Last Answer : Need Answer

What kind of insect makes clicking sounds in Juniper trees?

Description : What kind of insect makes clicking sounds in Juniper trees?

Last Answer : Need Answer

Lac is secreted by (a) trees like rubber (b) certain kinds of birds (c) some animals (d) a certain type of insect which feeds on the saps of trees such as Palas, Ber and Kusum

Description : Lac is secreted by (a) trees like rubber (b) certain kinds of birds (c) some animals (d) a certain type of insect which feeds on the saps of trees such as Palas, Ber and Kusum

Last Answer : Ans: (d)

What is multiple cropping? (a) When seeds are sown on a piece of land and then seedings are transplanted in different fields (b) Dividing a field in two or more parts and then sowing different crops in each part (c) Raising in succession only one type of crop in the same piece of land (d) Raising two or more crops in succession in a year on the same land

Description : What is multiple cropping? (a) When seeds are sown on a piece of land and then seedings are transplanted in different fields (b) Dividing a field in two or more parts and then sowing different crops in ... same piece of land (d) Raising two or more crops in succession in a year on the same land

Last Answer : Ans: (b)

If you could replace all of the grass in your lawn with some other plant, what plant would that be?

Description : If you could replace all of the grass in your lawn with some other plant, what plant would that be?

Last Answer : I love wild flower meadows.

The Maoris began to fight bitterly against the British rule because __________ (A) they were much stronger than the British. (B) they were deceived by the British about their lands. (C) the British wanted to conquer the country. (D) the Maoris were just a warlike people.

Description : The Maoris began to fight bitterly against the British rule because __________ (A) they were much stronger than the British. (B) they were deceived by the British about their lands. (C) the British wanted to conquer the country. (D) the Maoris were just a warlike people. 

Last Answer : (B) they were deceived by the British about their lands. 

When you make a mistake while teaching in the class and your students points it out sharply then what will you do? Options: A) You break all the limits of anger B) You feel sorry for committing a blunder C) You scold the child and angrily resist him D) You leave the class for a week

Description : When you make a mistake while teaching in the class and your students points it out sharply then what will you do? Options: A) You break all the limits of anger B) You feel sorry for committing a blunder C) You scold the child and angrily resist him D) You leave the class for a week

Last Answer : B) You feel sorry for committing a blunder 

When you are in dispute with your wife on some family issues but realize that she has adequate reasoning in those matters, then how would you like to solve these disputes? Options: A) You accept the reasoning and withdraw yourself B) You never crumble down your own ego C) You attempt to assault her physically and mentally D) You try to solve the dispute within reasonable limits before it aggravates

Description : When you are in dispute with your wife on some family issues but realize that she has adequate reasoning in those matters, then how would you like to solve these disputes? Options: A) ... physically and mentally D) You try to solve the dispute within reasonable limits before it aggravates

Last Answer : D) You try to solve the dispute within reasonable limits before it aggravates 

If a girl student prefers you beyond the ethical limits then how would you control your own emotions? Options: A) You will try to sublimate her emotions, as she is passing through the adolescent stage B) You will like to repress her intentions through strict measures C) You will relish her emotionality D) You will have in mind the similar emotions but afraid of social dignity

Description : If a girl student prefers you beyond the ethical limits then how would you control your own emotions? Options: A) You will try to sublimate her emotions, as she is passing through the ... relish her emotionality D) You will have in mind the similar emotions but afraid of social dignity

Last Answer : A) You will try to sublimate her emotions, as she is passing through the adolescent stage

Mycorrhiza is correctly described as (a) parasitic association between roots and some fungi (b) symbiotic relationship between fungi and roots of some higher plants (c) symbiosis of algae and fungi (d) relation of ants with the stem of some trees.

Description : Mycorrhiza is correctly described as (a) parasitic association between roots and some fungi (b) symbiotic relationship between fungi and roots of some higher plants (c) symbiosis of algae and fungi (d) relation of ants with the stem of some trees.

Last Answer : (b) symbiotic relationship between fungi and roots of some higher plants

Secondary growth occurs in a. Trees b. Algae c. Fungi d. Bryophytes

Description : Secondary growth occurs in a. Trees b. Algae c. Fungi d. Bryophytes

Last Answer : a. Trees