Air spaces are present in (a) Hydrophytes (b) Xerophytes (c) Mesophytes (d) Al1these

Air spaces are present in (a) Hydrophytes (b) Xerophytes (c) Mesophytes (d) Al1these
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Ans. ((a))
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Thick cuticle, sunken stomates are found in leaves of: (a) Hydrophytes (c) Mesophytes (b) Xerophytes (d) Epiphytes

Description : Thick cuticle, sunken stomates are found in leaves of: (a) Hydrophytes (c) Mesophytes (b) Xerophytes (d) Epiphytes

Last Answer : Ans. ((b))

Root cap is not found n: (a) Mesophytes (c) Hydrophytes (b) Xerophytes (d) Halophytes

Description : Root cap is not found n: (a) Mesophytes (c) Hydrophytes (b) Xerophytes (d) Halophytes

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Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes.

Description : Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes. 

Last Answer : Ans: Community is a group of different species living under same climatic conditions. They are classified by Warming based on dependence on water

Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of (a) mesophytes (b) epiphytes (c) hydrophytes (d) xerophytes.

Description : Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of (a) mesophytes (b) epiphytes (c) hydrophytes (d) xerophytes.

Last Answer : (c) hydrophytes

Plants which produce characteristic pneumat- ophores and show vivipary belong to (a) halophytes (b) psammophytes (c) hydrophytes (d) mesophytes.

Description : Plants which produce characteristic pneumat- ophores and show vivipary belong to (a) halophytes (b) psammophytes (c) hydrophytes (d) mesophytes.

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Plants which produce characteristic pneumatophores and show vivipary belong to : (1) I-Ialophytes (2) Psammophytes (3) Hydrophytes (4) Mesophytes

Description : Plants which produce characteristic pneumatophores and show vivipary belong to : (1) I-Ialophytes (2) Psammophytes (3) Hydrophytes (4) Mesophytes

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Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Description : Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Last Answer : (A)Thalophytes

Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Description : Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics

Last Answer : (A)Thalophytes

Collenchyma occurs in the stem and petioles of (a) xerophytes (b) monocots (c) dicot herbs (d) hydrophytes.

Description : Collenchyma occurs in the stem and petioles of (a) xerophytes (b) monocots (c) dicot herbs (d) hydrophytes.

Last Answer : (c) dicot herbs

Collenchyma occurs in the stem and petioles of (a) xerophytes (b) monocots (c) dicot herbs (d) hydrophytes.

Description : Collenchyma occurs in the stem and petioles of (a) xerophytes (b) monocots (c) dicot herbs (d) hydrophytes.

Last Answer : (c) dicot herbs

Enumerate the morphological adaptations of Hydrophytes.

Description : Enumerate the morphological adaptations of Hydrophytes. 

Last Answer : Ans:  1. Roots are either absent (Wolffia, Ceratophyllum) or poorly developed (Hydrilla). Rooted hydrophytes have root caps but not others. Free floating hydrophytes may have Root pockets as ... upper surface in Nymphaea, Victoria, Nelumbo. Swollen and spongy petioles in Eichhornia and Trapa.  

Name two free floating hydrophytes with offsets.

Description : Name two free floating hydrophytes with offsets. 

Last Answer : Ans: Pistia, Eichhornia 

What are hydrophytes? Which type of tissue is responsible for buoyancy in hydrophytes?

Description : What are hydrophytes? Which type of tissue is responsible for buoyancy in hydrophytes?

Last Answer : Ans: Plants that live in water or water rich soils are called as hydrophytes. The tissue that helps in buoyancy is Aerenchyma.  

Enumerate the morphological adaptations of Xerophytes.

Description : Enumerate the morphological adaptations of Xerophytes.  

Last Answer : Ans: 1. Root system is well developed with more lateral roots with root caps and root hairs. 2. Stem may be stunted and woody with thick bark. Stem may be underground in some. Stem is ... Parkinsonia. Leaves may be succulent as in Aloe and Bryophyllum. Leaf surface is shiny as in Calotropis.  

The presence of air cavities is an adaptation of - (1) Desert plants (2) Trees (3) Water plants (4) Mesophytes

Description : The presence of air cavities is an adaptation of - (1) Desert plants (2) Trees (3) Water plants (4) Mesophytes

Last Answer : (3) Water plants Explanation: Totally submerged plants are the true water plants or hydrophytes. Because they are truly aquatic they have the greatest number of adaptations to life in ... cavities often extend throughout the leaves and stems of aquatic plants, providing an internal atmosphere.

The presence of air cavities is an adaptation of (1) Desert plants (2) Trees (3) Water plants (4) Mesophytes

Description : The presence of air cavities is an adaptation of (1) Desert plants (2) Trees (3) Water plants (4) Mesophytes

Last Answer : Water plants

Which one of the following is a well-developed tissue present in hydrophytes?

Description : Which one of the following is a well-developed tissue present in hydrophytes?

Last Answer : Which one of the following is a well-developed tissue present in hydrophytes? A. Aerenchyma B. Collenchyma C. Stomata D. Root system

Write an example of Mesophytes?

Description : Write an example of Mesophytes?

Last Answer : Cassia fistula; China Rose; Sunflower

Consider the following statements: (1) Copper is present in cytochrome oxidane (2) Pantothenic acid is precursor of co-enzyme-A (3) Thiamine prohosphate is the prosthetic group in decarboxylases (4) Zinc is present in RNA and DNA polymerases

Description : Consider the following statements: (1) Copper is present in cytochrome oxidane (2) Pantothenic acid is precursor of co-enzyme-A (3) Thiamine prohosphate is the prosthetic group in decarboxylases (4) Zinc is present in RNA and DNA polymerases

Last Answer : Ans. ((b))

In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA

Description : In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA

Last Answer : Ans. ((a))

What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Last Answer : Ans. ((a))

Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

Description : Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

Last Answer : Ans. ((a))

Select the correct statement: (a) Legumes are incapable of fixing nitrogen (b) Legumes fix nitrogen through bacteria living in fruits root (c) Legumes fix nitrogen only by bacteria present in nodules (d) None of the above

Description : Select the correct statement: (a) Legumes are incapable of fixing nitrogen (b) Legumes fix nitrogen through bacteria living in fruits root (c) Legumes fix nitrogen only by bacteria present in nodules (d) None of the above

Last Answer : Ans. (c)

Feather stigma is present in: (a) Pea (b) Hibiscus (c) Wheat (d) Poppy

Description : Feather stigma is present in: (a) Pea (b) Hibiscus (c) Wheat (d) Poppy

Last Answer : Ans. ((c))

In spite of several angiospermic features Gnetum is a gymnosperm because…. a) polyembryony is a common features b) prothallial cell is present in the male gametophyte c) seed is naked d) stem exhibit anomalous secondary growth

Description : In spite of several angiospermic features Gnetum is a gymnosperm because…. a) polyembryony is a common features b) prothallial cell is present in the male gametophyte c) seed is naked d) stem exhibit anomalous secondary growth

Last Answer : c) seed is naked

The pollination between two different flowers present on same plant is called as

Description : The pollination between two different flowers present on same plant is called as

Last Answer : The pollination between two different flowers present on same plant is called as – Geitonogamy

Bisexual flowers are present in both Clerodendron and Scrophularia. Still cross pollination takes place. How?

Description : Bisexual flowers are present in both Clerodendron and Scrophularia. Still cross pollination takes place. How?

Last Answer : Ans: In clerodendron the androecium attains maturity earlier than gynoecium and in Scrophulria the gynoecium attains maturity earlier than androecium.  

What is epicalyx? Give the scientific name of one plant in which it is present.

Description : What is epicalyx? Give the scientific name of one plant in which it is present. 

Last Answer : Ans: It is whorl of bracteoles present below the calyx. Ex: Hibiscus

Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

Description : Role of CFC present in atmosphere is to a) Reduction in ozone b) Ozone formation c) Formation of leg haemoglobin a) Enhance chlorophyll formation.

Last Answer : a) Reduction in ozone

Considering corms of natural vegetative propagation, buds are present at a) Front side of corm b) Backside of corm c) Top of corm d) End of corm

Description : Considering corms of natural vegetative propagation, buds are present at a) Front side of corm b) Backside of corm c) Top of corm d) End of corm

Last Answer : c) Top of corm

Write an example of Hydrophytes?

Description : Write an example of Hydrophytes?

Last Answer : Hydrilla; Water lily; Lotus Wataediearsiiet

Pneumatophores occur in (a) halophytes (b) free-floating hydrophytes (c) carnivorous plants (d) submerged hydrophytes.

Description : Pneumatophores occur in (a) halophytes (b) free-floating hydrophytes (c) carnivorous plants (d) submerged hydrophytes.

Last Answer : (a) halophytes

Pneumatophores occur in (1) Halophytes (2) Free-floating hydrophytes (3) Carnivorous plants (4) Submerged hydrophytes

Description : Pneumatophores occur in (1) Halophytes (2) Free-floating hydrophytes (3) Carnivorous plants (4) Submerged hydrophytes

Last Answer : (1) Halophytes

Chief function of phloem is conduction of: (a) Food (b) Minerals (c) Water (d) Air

Description : Chief function of phloem is conduction of: (a) Food (b) Minerals (c) Water (d) Air

Last Answer : Ans. ((a))

Anxiety and stress are caused by a) Air pollution b) Noise pollution c) Water pollution d) Nuclear pollution

Description : Anxiety and stress are caused by a) Air pollution b) Noise pollution c) Water pollution d) Nuclear pollution

Last Answer : b) Noise pollution

Air pollution effects are usually found on a) Flowers b) Leaves c) Stems d) Roots.

Description : Air pollution effects are usually found on a) Flowers b) Leaves c) Stems d) Roots.

Last Answer : b) Leaves

Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.

Description : Chief air pollutant which is likely to deplete ozone layer is a) Sulphur dioxide b) Carbon dioxide c) Carbon monoxide d) Nitrogen oxides and Fluorocarbons.

Last Answer : d) Nitrogen oxides and Fluorocarbons

Spraying of DDT produces pollution of a) Air b) Air and Water c) Air and Soil d) Air, Water and Soil.

Description : Spraying of DDT produces pollution of a) Air b) Air and Water c) Air and Soil d) Air, Water and Soil. 

Last Answer : d) Air, Water and Soil.

Seed treatment is done to control— a) Soil-borne disease b) Air-borne disease c) Seed-borne disease d) None of these

Description : Seed treatment is done to control— a) Soil-borne disease b) Air-borne disease c) Seed-borne disease d) None of these

Last Answer : c) Seed-borne disease

Which one is not a trait of xerophytes:

Description : Which one is not a trait of xerophytes:

Last Answer : Which one is not a trait of xerophytes: A. Brassica B. Cuscuta C. Capparis D. Hydrilla

The plants which grow well, only in light are known as – (1) Sciophilous (2) Xerophytes (3) Heliophytes (4) Epiphytes

Description : The plants which grow well, only in light are known as – (1) Sciophilous (2) Xerophytes (3) Heliophytes (4) Epiphytes

Last Answer : (3) Heliophytes Explanation: In botany, heliophytes refer to plants that thrive in bright sunlight; while those growing best in shade are known as sciophytes. Heliophytes are capable of a ... of high light intensities than sciophytes. Examples of heliophytes are sugar cane, sunflower and maize.

The plants, which grow under water stress conditions of deserts are - (1) Epiphytes (2) Xerophytes (3) Heliophytes (4) Sciophytes

Description : The plants, which grow under water stress conditions of deserts are - (1) Epiphytes (2) Xerophytes (3) Heliophytes (4) Sciophytes

Last Answer : (2) Xerophytes Explanation: The term xerophyte refers to a plant species that has evolved over time to adapt to dry regions like deserts. Xerophytes have adapted to be able to keep extremely large ... the plant would die, as the desert region itself does not provide enough water to sustain life.

Most commonly grown crop plants are included in (a) halophytes (b) Glycophytes (c) Sciophytes (d) Xerophytes

Description : Most commonly grown crop plants are included in (a) halophytes (b) Glycophytes (c) Sciophytes (d) Xerophytes

Last Answer : (b) Glycophytes

Pneumatophores are found in (a) the vegetation which is found in marshy and saline lake (b) the vegetation which found in acidic soil (c) xerophytes (d) epiphytes.

Description : Pneumatophores are found in (a) the vegetation which is found in marshy and saline lake (b) the vegetation which found in acidic soil (c) xerophytes (d) epiphytes.

Last Answer : (a) the vegetation which is found in marshy and saline lake

Xerophytes are plants which can grow in regions having how moisture?

Description : Xerophytes are plants which can grow in regions having how moisture?

Last Answer : Low moisture

How does epidermis help xerophytes?

Description : How does epidermis help xerophytes?

Last Answer : Xerophytes are the plants which grow in desert conditions. In plants living in very dry habitats, epidermis may be thicker since protection against water loss is critical. The entire surface ... the parts of the plant.It also releases a waxlike substance called cutin which restricts transpiration

Because they are resistant to desiccation (pron: des-ih-KA-shun), desert plants are known as what? a) dehydrates b) hydrophobocytes c) xerophytes d) none of the above

Description : Because they are resistant to desiccation (pron: des-ih-KA-shun), desert plants are known as what? a) dehydrates b) hydrophobocytes c) xerophytes d) none of the above

Last Answer : ANSWER: C -- XEROPHYTES

1. Funds belonging to the Government of India are kept in which fund? 2. Why does Kerosene oil rise up in the wick of lantern? 3. Where is the headquarters of Food and Agriculture Organisation? 4. Xerophytes are plants which can grow in regions having how moisture? 5. Of which influence does the sculptures of the Gandhara school reflect?

Description : 1. Funds belonging to the Government of India are kept in which fund? 2. Why does Kerosene oil rise up in the wick of lantern? 3. Where is the headquarters of Food and Agriculture Organisation? ... 19. Which feature is the product of vulcanicity? 20. From where was the term Congress' derived?

Last Answer : Answer : 1 1. Consolidated Fund of India 2. Because of surface tension 3. Rome 4. Low moisture 5. Greeks 6. Income 7. Calcium and iron 8. Habeas Corpus 9. Equator 10. Spinning wheel 11. Na2 CO3 12. ... a type of garment 16. Brain 17. 24 18. Less than 90° 19. Caldera 20. The History of North America

The plants which grow well, only in light are known as (1) Sciophilous (2) Xerophytes (3) Heliophytes (4) Epiphytes

Description : The plants which grow well, only in light are known as (1) Sciophilous (2) Xerophytes (3) Heliophytes (4) Epiphytes

Last Answer : Heliophytes

The plants, which grow under water stress conditions of deserts are : (1) Epiphytes (2) Xerophytes (3) Heliophytes (4) Sciophytes

Description : The plants, which grow under water stress conditions of deserts are : (1) Epiphytes (2) Xerophytes (3) Heliophytes (4) Sciophytes

Last Answer : Xerophytes