(CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles

(CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and  sclerenchyma. She can identify sclerenchyma by the
(a) location of nucleus
(b) size of cells
(c) thickness of cell walls
(d) position of vacuoles
by

1 Answer

Answer :

(c) thickness of cell walls
by

Related questions

Which type of tissue has lignified cell walls? (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) cambium

Description : Which type of tissue has lignified cell walls? (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) cambium

Last Answer : (c) Sclerenchyma

(CBSE 2011): A permanent slide shows thin walled isodiametric cells with a large vacuole. The slide contains: (a) Parenchyma cells (b) Nerve cells (c) Sclerenchyma cells (d) Collenchyma cells

Description : (CBSE 2011): A permanent slide shows thin walled isodiametric cells with a large vacuole. The slide contains: (a) Parenchyma cells (b) Nerve cells (c) Sclerenchyma cells (d) Collenchyma cells

Last Answer : (a) Parenchyma cells

Which of the following is not a simple tissue? (a) xylem (b) parenchyma (c) collenchyma (d) sclerenchyma

Description : Which of the following is not a simple tissue? (a) xylem (b) parenchyma (c) collenchyma (d) sclerenchyma

Last Answer : (a) xylem

What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei (c) thin cellulose wall,no vacuoles, sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei

Description : What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, ... sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei

Last Answer : (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei

Why the cell walls of collenchyma tissues are unevenly thickened?

Description : Why the cell walls of collenchyma tissues are unevenly thickened?

Last Answer : : The cell walls are unevenly thickened due to deposition of excessive cellulose, and pectin.

Where do you find Parenchyma cells in Plants?

Description : Where do you find Parenchyma cells in Plants?

Last Answer : Widely distributed in stem, root, leaves, flower.

What is the shape of Parenchyma cells?

Description : What is the shape of Parenchyma cells?

Last Answer : Isodiameteric (same size)

(CBSE 2011): Aditi observed following observations while looking into a permanent slide. (i) Cells are long and cylindrical (ii) Light and dark bands are present. It could be a slide of : (a) striated muscle fibre (b) smooth muscle fibre (c) neuron (d) parenchyma cells

Description : (CBSE 2011): Aditi observed following observations while looking into a permanent slide. (i) Cells are long and cylindrical (ii) Light and dark bands are present. It could be a slide of : (a) striated muscle fibre (b) smooth muscle fibre (c) neuron (d) parenchyma cells

Last Answer : (a) striated muscle fibre

Identify which of the following plant tissues are living or dead?

Description : Identify which of the following plant tissues are living or dead?

Last Answer : Living: Apical Meristem, Parenchyma, Aerenchyma, Collenchyma, Xylem Parenchyma, Phloem Parentchyma, Sieve Tubes Dead: Sclereids, Tracheids, Xylem Fibres, Phloem fibre, Phloem fibre, Vessel

The husk of the coconut is made up of? (a) collenchyma (b) sclerenchyma (c) apical meristem (d) intercalary meristem

Description : The husk of the coconut is made up of? (a) collenchyma (b) sclerenchyma (c) apical meristem (d) intercalary meristem

Last Answer : (b) sclerenchyma

Which plant tissues are often called as stone cells?

Description : Which plant tissues are often called as stone cells?

Last Answer : Sclerenchyma

What is the structure and nature of Parenchyma tissue?

Description : What is the structure and nature of Parenchyma tissue?

Last Answer : Living cells, thin walled,cell wall composed of cellulose and Pectin, large intercellular spaces

Parenchyma is a type of ____ (a) simple tissue (b) complex tissue (c) xylem d) phloem

Description : Parenchyma is a type of ____ (a) simple tissue (b) complex tissue (c) xylem d) phloem

Last Answer : (a) simple tissue

Which of the following statements is incorrect? (a) Some tissues in plants divide throughout the life (b) Cell growth in animals is more uniform as compared to plants (c) Animals have more dead tissues as compared to plants (d) There is no demarcation of dividing and nondividing regions in animals

Description : Which of the following statements is incorrect? (a) Some tissues in plants divide throughout the life (b) Cell growth in animals is more uniform as compared to plants (c) Animals have more ... as compared to plants (d) There is no demarcation of dividing and nondividing regions in animals

Last Answer : (c) Animals have more dead tissues as compared to plants

What do you mean by 'Differentiation' in plant tissues?

Description : What do you mean by 'Differentiation' in plant tissues?

Last Answer : The cells formed by meristematic tissue take up a specific role and lose the ability to divide. As a result, they form a permanent tissue. This process of taking up a permanent shape, size, and a function is called differentiation.

Why do animals tissues require more energy as compared to plant tissues?

Description : Why do animals tissues require more energy as compared to plant tissues?

Last Answer : Animals move from one place to another in search of food, shelter etc., hence they need more energy and there more tissues are living.

Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?

Description : Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?

Last Answer : Most of the plant tissues are dead, since dead cells can provide mechanical strength as easily as live ones, and need less maintenance. Also plants have sedentary life i.e. they are stationary. Therefore plant tissues require less amount of energy.

The basic principle based on which categorise plant tissues as meristematic and permanent is: (a) capacity to do photosynthesis (b) capacity to divide (c) capacity to locomote (d) complexity to perform a function.

Description : The basic principle based on which categorise plant tissues as meristematic and permanent is: (a) capacity to do photosynthesis (b) capacity to divide (c) capacity to locomote (d) complexity to perform a function.

Last Answer : (b) capacity to divide

Which of the following statement is NOT true? (a) Most of the plant tissues are supportive type. (b) Tissues ensure division of labour. (c) Sedantry existence contribute to the organ system design in animals. (d) Organ systems are far more complex in animals than in plants.

Description : Which of the following statement is NOT true? (a) Most of the plant tissues are supportive type. (b) Tissues ensure division of labour. (c) Sedantry existence contribute to the organ system design in animals. (d) Organ systems are far more complex in animals than in plants.

Last Answer : (c) Sedantry existence contribute to the organ system design in animals.

Name two types of complex tissues.

Description : Name two types of complex tissues.

Last Answer : Xylem and Phloem

Why are Xylem and Phloem known as complex permanent tissues?

Description : Why are Xylem and Phloem known as complex permanent tissues?

Last Answer : Because both of them are made of more than one type of cells (heterogeneous).

: Why are Xylem and Phloem called as vascular tissues?

Description : : Why are Xylem and Phloem called as vascular tissues?

Last Answer : Because they together constitute vascular bundle in plants.

Why are Xylem and Phloem known as conducting tissues?

Description : Why are Xylem and Phloem known as conducting tissues?

Last Answer : Because both of them help in conduction of water, mineral and food.

Why are Xylem and Phloem are called vascular or conducting tissues?

Description : Why are Xylem and Phloem are called vascular or conducting tissues?

Last Answer : Since both xylem and phloem tissues transport materials, they are together called vascular tissues.

How are complex tissues different from simple tissues?

Description : How are complex tissues different from simple tissues?

Last Answer : Complex tissues are made of more than one type of cells.

Are Collenchyma tissues present in roots of the plants?

Description : Are Collenchyma tissues present in roots of the plants?

Last Answer : No, Collenchyma is absent in root system. It is present in stem, petioles, veins of leaf.

Where do you find collenchyma tissues in plants?

Description : Where do you find collenchyma tissues in plants?

Last Answer : Below the epidermis of stem and around veins of leaves.

Which tissues are responsible for the secondary growth of plants?

Description : Which tissues are responsible for the secondary growth of plants?

Last Answer : Vascular Cambium and Cork Cambium (also called secondary meristems) are responsible for the secondary growth. They increase the thickness (size of the girth) of the plant body.

: List the characteristics of meristematic tissues.

Description : : List the characteristics of meristematic tissues.

Last Answer : 1. They are actively dividing cells and they divide throughout the life. 2. Cells are compactly arranged, NO intercellular spaces. 3. Lack vacuoles 4. Cells have dense cytoplasm, thin cell walls 5. Prominent Nuclei

Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?

Description : Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?

Last Answer : Apical Meristem.

Name types of simple tissues.

Description : Name types of simple tissues.

Last Answer : Simple tissues (made up of one type of cells) are of three types: 1. Parenchyma 2. Collenchyma 3. Sclerenchyma

Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?

Description : Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?

Last Answer : In multicellular organisms there are millions of cells. Each specialised function is taken up by a different group of cells called tissue. Or Group of cells, forming a tissue are capable of ... water from one part of the plant to other parts. So, multicellular organisms show division of labour

The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue

Description : The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue

Last Answer : (b) Epithelial tissue

Many kinds of tissues organise to form a/an (a) organ (b) organ system (c) body system (d) organelle

Description : Many kinds of tissues organise to form a/an (a) organ (b) organ system (c) body system (d) organelle

Last Answer : (a) organ

The study of tissues is called ... a) cytology b) embryology c) histology d) pathology

Description : The study of tissues is called ... a) cytology b) embryology c) histology d) pathology

Last Answer : c) histology

Which Phloem cellular element has tubular structure with perforated walls?

Description : Which Phloem cellular element has tubular structure with perforated walls?

Last Answer : Sieve tubes

Why do meristematic cells lack vacoules?

Description : Why do meristematic cells lack vacoules?

Last Answer : The purpose of vacuole is to store food and waste product. Since meristems are young cells and are actively dividing, they do not partcipate actively in food preparetion. Neither they produce large waste and hence lack vacuoles.

Name the chemical released by cork cells?

Description : Name the chemical released by cork cells?

Last Answer : Suberin which makes them impervious to gases and water.

The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Description : The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Last Answer : Ans:(b)

Cells are commonly studied in the lab. If you were examining various unlabelled slides of cells under the microscope, you could tell if the cell was from a plant by the presence of (A) A nucleus (B) A cell membrane (C) Cytoplasm (D) A cell wall

Description : Cells are commonly studied in the lab. If you were examining various unlabelled slides of cells under the microscope, you could tell if the cell was from a plant by the presence of (A) A nucleus (B) A cell membrane (C) Cytoplasm (D) A cell wall

Last Answer : (D) A cell wall

Which plant tissue is considered to have played an important role in survival of terrestrial plants?

Description : Which plant tissue is considered to have played an important role in survival of terrestrial plants?

Last Answer : Vascular tissue i.e. xylem and phloem.

Which tissue is responsible for the length of the plant? (a) Apical meristem (b) lateral meristem (c) Intercalary meristem (d) Epidermis

Description : Which tissue is responsible for the length of the plant? (a) Apical meristem (b) lateral meristem (c) Intercalary meristem (d) Epidermis

Last Answer : (a) Apical meristem

Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart(b) Cardiac muscles, unbranched muscles, found in the walls of the heart (c) Striated muscles, tapering at both-ends, attached with the bones of the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Description : Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart (b) Cardiac muscles, unbranched ... the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Last Answer : (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Absorption of solute ions is regulated by (A) Nucleus wall (B) Cell organelles (C) Vacuoles (D) Plant cell membrane

Description : Absorption of solute ions is regulated by (A) Nucleus wall (B) Cell organelles (C) Vacuoles (D) Plant cell membrane

Last Answer : (A) Nucleus wall

Cells contain smaller parts known as organelles. The nucleus, chloroplasts, mitochondria, and vacuoles are all examples of organelles. What do these organelles have in common?

Description : Cells contain smaller parts known as organelles. The nucleus, chloroplasts, mitochondria, and vacuoles are all examples of organelles. What do these organelles have in common?

Last Answer : They are all enclosed by a membrane.

Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Description : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Last Answer : Gas vacuoles are present

List functions of phloem tissue?

Description : List functions of phloem tissue?

Last Answer : 1. Phloem transport food in both directions. 2. Sieve tubes and companion cells are involved in translocation of organic substances. 3. Phloem parenchyma and phloem fibres play supporting role in the transportation process.

Name the cellular elements of Phloem tissue.

Description : Name the cellular elements of Phloem tissue.

Last Answer : Four types: 1. Sieve tubes 2. Companion cells 3. Phloem parenchyma and 4. Phloem fibres

What is the role of xylem tissue?

Description : What is the role of xylem tissue?

Last Answer : Xylem tissues are specialized for the conduction of water and mineral substances in the plant body. 1. Tracheids and vessels forms tubular structures to transport water and minerals vertically ( ... and helps in the sideways conduction of water. 3. Fibres are mainly supportive in function.

List the cellular elements of xylem tissue?

Description : List the cellular elements of xylem tissue?

Last Answer : Xylem tracheids 2. Xylem tracheae or vessels 3. Xylem fibers and 4. Xylem parenchyma